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Mid-Infrared Photothermal Imaging of Photochemically Patterned Polymer Gate Dielectrics for Organic Thin-Film Transistors
Ryo Kato, Koki Taguchi, Takafumi Uemura, Taka-aki Yano, Andreas Petritz, Barbara Stadlober, Tsuyoshi Sekitani, Takuo Tanaka
ACS Applied Electronic Materials Vol. 6 No. 4 p. 2584-2593 2024/03/18 Research paper (scientific journal)
Publisher: American Chemical Society (ACS)
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Ultraflexible Wireless Imager Integrated with Organic Circuits for Broadband Infrared Thermal Analysis
Rei Kawabata, Kou Li, Teppei Araki, Mihoko Akiyama, Kaho Sugimachi, Nozomi Matsuoka, Norika Takahashi, Daiki Sakai, Yuto Matsuzaki, Ryo Koshimizu, Minami Yamamoto, Leo Takai, Ryoga Odawara, Takaaki Abe, Shintaro Izumi, Naoko Kurihira, Takafumi Uemura, Yukio Kawano, Tsuyoshi Sekitani
Advanced Materials Vol. 36 No. 15 2024/01/18 Research paper (scientific journal)
Publisher: Wiley
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Printable Sheet Sensor System with Organic Circuit for Structural Health Monitoring
Mihoko Akiyama, Teppei Araki, Takafumi Uemura, Shusuke Yoshimoto, Naoko Namba, Yuko Kasai, Hiroshi Ohta, Toshikazu Nezu, Shuichi Tsuruta, Tsuyoshi Sekitani
2023 IEEE CPMT Symposium Japan (ICSJ) 2023/11/15 Research paper (international conference proceedings)
Publisher: IEEE
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Increasing the Sensitivity of Piezoelectric Pulse Wave Sensors for Pulse Wave Propagation Measurement
Masaki Ishibashi, Shintaro Izumi, Ryo Takamatsu, Shusuke Yoshimoto, Yuki Noda, Teppei Araki, Takafumi Uemura, Tsuyoshi Sekitani, Hiroshi Kawaguchi
IEEE Sensors Letters Vol. 7 No. 9 2023/09 Research paper (scientific journal)
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Broadband Photodetectors and Imagers in Stretchable Electronics Packaging.
Teppei Araki, Kou Li, Daichi Suzuki, Takaaki Abe, Rei Kawabata, Takafumi Uemura, Shintaro Izumi, Shuichi Tsuruta, Nao Terasaki, Yukio Kawano, Tsuyoshi Sekitani
Advanced materials (Deerfield Beach, Fla.) 2023/07/05 Research paper (scientific journal)
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Masseter and digastric muscle activity evaluation using a novel electromyogram that utilizes elastic sheet electrodes.
Akio Fusayama, Tomoaki Mameno, Masahiro Wada, Kazuhiro Murakami, Toshikazu Nezu, Shinya Tokuono, Shusuke Yoshimoto, Takafumi Uemura, Tsuyoshi Sekitani, Kazunori Ikebe
Journal of prosthodontic research 2023/05/17 Research paper (scientific journal)
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Ultraflexible Organic Active Matrix Sensor Sheet for Tactile and Biosignal Monitoring
Esther Karner‐Petritz, Andreas Petritz, Takafumi Uemura, Naoko Namba, Teppei Araki, Tsuyoshi Sekitani, Barbara Stadlober
Advanced Electronic Materials 2023/05 Research paper (scientific journal)
Publisher: Wiley
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Carrier-Type Switching with Gas Detection Using a Low-Impedance Hybrid Sensor of 2D Graphene Layer and MoOx Nanorod 3D Network
Tohru Sugahara, Yukiko Hirose, Jun-ichi Nakamura, Takao Ono, Takafumi Uemura, Makoto Karakawa, Toshio Itoh, Woosuck Shin, Yang Yang, Nobuyuki Harada, Katsuaki Suganuma
ACS Applied Engineering Materials 2023/04/28 Research paper (scientific journal)
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Biosignal Amplifiers Based on Low-Noise Organic Transistors with Printed Electrodes
Tomoharu Kimura, Takafumi Uemura, Yayoi Shibafuji, Takeshi Suyama, Hiroyuki Ueno, Tsuyoshi Sekitani
ADVANCED ELECTRONIC MATERIALS 2023/04 Research paper (scientific journal)
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Fine-Tuning the Performance of Ultraflexible Organic Complementary Circuits on a Single Substrate via a Nanoscale Interfacial Photochemical Reaction
Koki Taguchi, Takafumi Uemura, Andreas Petritz, Naoko Namba, Mihoko Akiyama, Masahiro Sugiyama, Teppei Araki, Barbara Stadlober, Tsuyoshi Sekitani
ACS Applied Electronic Materials Vol. 4 No. 12 p. 6308-6321 2022/12/02 Research paper (scientific journal)
Publisher: American Chemical Society (ACS)
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Stretchable printed circuit board integrated with Ag-nanowire-based electrodes and organic transistors toward imperceptible electrophysiological sensing
Rei Kawabata, Teppei Araki, Mihoko Akiyama, Takafumi Uemura, Tianxu Wu, Hirotaka Koga, Yusuke Okabe, Yuki Noda, Shuichi Tsuruta, Shintaro Izumi, Masaya Nogi, Katsuaki Suganuma, Tsuyoshi Sekitani
Flexible and Printed Electronics Vol. 7 No. 4 p. 044002-044002 2022/12/01 Research paper (scientific journal)
Publisher: IOP Publishing
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Fully Transparent, Ultrathin Flexible Organic Electrochemical Transistors with Additive Integration for Bioelectronic Applications
Ashuya Takemoto, Teppei Araki, Kazuya Nishimura, Mihoko Akiyama, Takafumi Uemura, Kazuki Kiriyama, Johan M. Koot, Yuko Kasai, Naoko Kurihira, Shuto Osaki, Shin‐ichi Wakida, Jaap M.J. den Toonder, Tsuyoshi Sekitani
Advanced Science p. 2204746-2204746 2022/11/14 Research paper (scientific journal)
Publisher: Wiley
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Skin‐Like Transparent Sensor Sheet for Remote Healthcare Using Electroencephalography and Photoplethysmography
Teppei Araki, Shusuke Yoshimoto, Takafumi Uemura, Aiko Miyazaki, Naoko Kurihira, Yuko Kasai, Yoshiko Harada, Toshikazu Nezu, Hirokazu Iida, Junko Sandbrook, Shintaro Izumi, Tsuyoshi Sekitani
Advanced Materials Technologies Vol. 7 No. 11 p. 2200362-2200362 2022/11 Research paper (scientific journal)
Publisher: Wiley
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Wearable Perspiration Volume Sensor Using Dual-Frequency Impedance Measurement
Ryo Takamatsu, Shogo Amano, Shintaro Izumi, Hiroshi Ohta, Toshikazu Nezu, Yuki Noda, Teppei Araki, Takafumi Uemura, Tsuyoshi Sekitani, Hiroshi Kawaguchi
2022 IEEE Sensors 2022/10/30 Research paper (international conference proceedings)
Publisher: IEEE
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Gold nanowire electrodes for flexible organic thin-film transistors
Satoshi Takane, Yuki Noda, Naomi Toyoshima, Takafumi Uemura, Yuki Bando, Tsuyoshi Sekitani
Applied Physics Express Vol. 15 No. 9 p. 096501-096501 2022/09/01 Research paper (scientific journal)
Publisher: IOP Publishing
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Heterogeneous Functional Dielectric Patterns for Charge‐Carrier Modulation in Ultraflexible Organic Integrated Circuits
Koki Taguchi, Takafumi Uemura, Naoko Namba, Andreas Petritz, Teppei Araki, Masahiro Sugiyama, Barbara Stadlober, Tsuyoshi Sekitani
Advanced Materials Vol. 33 No. 45 p. 2104446-2104446 2021/11 Research paper (scientific journal)
Publisher: Wiley
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Mobility enhancement of DNTT and BTBT derivative organic thin-film transistors by triptycene molecule modification
Masahiro Sugiyama, Sophie Jancke, Takafumi Uemura, Masaya Kondo, Yumi Inoue, Naoko Namba, Teppei Araki, Takanori Fukushima, Tsuyoshi Sekitani
Organic Electronics Vol. 96 p. 106219-106219 2021/09 Research paper (scientific journal)
Publisher: Elsevier BV
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Frequency Characteristics of Ultrathin and Transparent Organic Electrochemical Transistors with 1-µm-Thick Parylene Lamination
Kazuya Nishimura, Teppei Araki, Ashuya Takemoto, Mihoko Akiyama, Kazuki Kiriyama, Yuko Kasai, Naoko Kurihira, Takafumi Uemura, Tsuyoshi Sekitani
2021 International Conference on Electronics Packaging (ICEP) 2021/05/12 Research paper (international conference proceedings)
Publisher: IEEE
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Imperceptible energy harvesting device and biomedical sensor based on ultraflexible ferroelectric transducers and organic diodes
Andreas Petritz, Esther Karner-Petritz, Takafumi Uemura, Philipp Schäffner, Teppei Araki, Barbara Stadlober, Tsuyoshi Sekitani
Nature Communications Vol. 12 No. 1 2021/04/23 Research paper (scientific journal)
Publisher: Springer Science and Business Media LLC
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Development of a Sheet-type Magnetic Sensor System Using Flexible Organic Thin-film Transistors
UEMURA Takafumi, SEKITANI Tsuyoshi, KONDO Masaya, SUGIYAMA Masahiro, NAMBA Naoko, INOUE Yumi, AKIYAMA Mihoko, YOSHIMOTO Shusuke, NODA Yuki, ARAKI Teppei
Vacuum and Surface Science Vol. 64 No. 1 p. 22-27 2021/01
Publisher: The Japan Society of Vacuum and Surface Science
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Flexible neural interfaces for brain implants—the pursuit of thinness and high density
Teppei Araki, Lukas M Bongartz, Taro Kaiju, Ashuya Takemoto, Shuichi Tsuruta, Takafumi Uemura, Tsuyoshi Sekitani
Flexible and Printed Electronics Vol. 5 No. 4 p. 043002-043002 2020/11/27 Research paper (scientific journal)
Publisher: IOP Publishing
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Printable Transparent Microelectrodes toward Mechanically and Visually Imperceptible Electronics
Ashuya Takemoto, Teppei Araki, Takafumi Uemura, Yuki Noda, Shusuke Yoshimoto, Shintaro Izumi, Shuichi Tsuruta, Tsuyoshi Sekitani
Advanced Intelligent Systems p. 2000093-2000093 2020/08/12 Research paper (scientific journal)
Publisher: Wiley
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Wireless Monitoring Using a Stretchable and Transparent Sensor Sheet Containing Metal Nanowires.
Teppei Araki, Takafumi Uemura, Shusuke Yoshimoto, Ashuya Takemoto, Yuki Noda, Shintaro Izumi, Tsuyoshi Sekitani
Advanced materials (Deerfield Beach, Fla.) Vol. 32 No. 15 2020/04 Research paper (scientific journal)
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Rapid Improvements in Charge Carrier Mobility at Ionic Liquid/Pentacene Single Crystal Interfaces by Self-Cleaning
Yusuke Morino, Yasuyuki Yokota, Hisaya Hara, Ken-ichi Bando, Sakurako Ono, Akihito Imanishi, Yugo Okada, Hiroyuki Matsui, Takafumi Uemura, Jun Takeya, Ken-ichi Fukui
Physical Chemistry Chemical Physics Vol. 22 No. 11 p. 6131-6135 2020/02 Research paper (scientific journal)
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Probing Inter-Molecular Interactions of Dinaphthothienothiophene (Dntt) Molecules in a Transistor Device Using Low-Frequency Raman Spectroscopy
Bishwajeet Singh Bhardwaj, Rhea Thankam Sam, Takayuki Umakosh, Naoko Namba, Takafumi Uemura, Tsuyoshi Sekitani, Prabhat Verma
Applied Physics Express Vol. 13 2020 Research paper (scientific journal)
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Imperceptible Magnetic Sensor Matrix System Integrated with Organic Driver and Amplifier Circuits
M. Kondo, M. Melzer, D. Karnaushenko, T. Uemura, S. Yoshimoto, M. Akiyama, Y. Noda, T. Araki, O. G. Schmidt, T. Sekitani
Science Advances Vol. 6 No. 4 p. eaay6094-eaay6094 2020 Research paper (scientific journal)
Publisher: American Association for the Advancement of Science (AAAS)
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Ultralow-Noise Organic Transistors Based on Polymeric Gate Dielectrics with Self-Assembled Modifiers
Masaya Kondo, Takafumi Uemura, Fumitaka Ishiwari, Takashi Kajitani, Yoshiaki Shoji, Masato Morita, Naoko Namba, Yumi Inoue, Yuki Noda, Teppei Araki, Takanori Fukushima, Tsuyoshi Sekitani
ACS Applied Materials & Interfaces 2019/11/06 Research paper (scientific journal)
Publisher: American Chemical Society ({ACS})
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Orientation analysis of pentacene molecules in organic field-effect transistor devices using polarization-dependent Raman spectroscopy
Takafumi Uemura
Scientific Reports No. 9 2019/10 Research paper (scientific journal)
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Long-Term Implantable, Flexible, and Transparent Neural Interface Based on Ag/Au Core–Shell Nanowires
Teppei Araki, Fumiaki Yoshida, Takafumi Uemura, Yuki Noda, Shusuke Yoshimoto, Taro Kaiju, Takafumi Suzuki, Hiroki Hamanaka, Kousuke Baba, Hideki Hayakawa, Taiki Yabumoto, Hideki Mochizuki, Shingo Kobayashi, Masaru Tanaka, Masayuki Hirata, Tsuyoshi Sekitani
Advanced Healthcare Materials Vol. 8 No. 10 2019/05/23 Research paper (scientific journal)
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Ultraflexible Amplification Circuits for Imperceptible Brain Monitoring System
Takafumi Uemura
International Symposium on VLSI Design, Automation and Test (VLSI-DAT) 2019 Research paper (scientific journal)
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Stretchable and Transparent Wiring for Implant Sensor
ARAKI Teppei, TAKEMOTO Ashuya, UEMURA Takafumi, SEKITANI Tsuyoshi
Journal of Printing Science and Technology Vol. 56 No. 3 p. 142-145 2019
Publisher: The Japanese Society of Printing Science and Technology
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Noise Evaluation System for Biosignal Sensors Using Pseudo-Skin and Helmholtz Coil.
Misaki Inaoka, Shintaro Izumi, Shusuke Yoshimoto, Toshikazu Nezu, Yuki Noda, Teppei Araki, Takafumi Uemura, Tsuyoshi Sekitani
2019 13TH INTERNATIONAL SYMPOSIUM ON MEDICAL INFORMATION AND COMMUNICATION TECHNOLOGY (ISMICT) p. 1-4 2019 Research paper (international conference proceedings)
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Non-Contact Laser Printing of Ag Nanowire-Based Electrode with Photodegradable Polymers
Teppei Araki, Jaap M J den Toonder, Katsuaki Suganuma, Takafumi Uemura, Yuki Noda, Shusuke Yoshimoto, Shintaro Izumi, Tsuyoshi Sekitani
Journal of Photopolymer Science and Technology Vol. 32 No. 3 p. 429-434 2019 Research paper (scientific journal)
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Raman Spectroscopic Studies of Dinaphthothienothiophene (DNTT)
Takafumi Uemura
Materials Vol. 12 2019 Research paper (scientific journal)
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Highly-Ordered Triptycene Modifer Layer Based on Blade Coating for Ultrafexible Organic Transistors
Masaya Kondo, Takashi Kajitani, Takafumi Uemura, Yuki Noda, Fumitaka Ishiwari, Yoshiaki Shoji, Teppei Araki, Shusuke Yoshimoto, Takanori Fukushima, Tsuyoshi Sekitani
Scientific Reports Vol. 9 No. 1 2019 Research paper (scientific journal)
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Fine Printing Method of Silver Nanowires Electrodes with Alignment and Accumulation
Ashuya Takemoto, Teppei Araki, Yuki Noda, Takafumi Uemura, Shusuke Yoshimoto, Robert Abbel, Corne Rentrop, Tsuyoshi Sekitani
Nanotechnology Vol. 30 No. 37 p. 37-37LT03 2019 Research paper (scientific journal)
Publisher: IOP Publishing
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An Ultraflexible Organic Differential Amplifier for Recording Electrocardiograms
Masahiro Sugiyama, Takafumi Uemura, Masaya Kondo, Mihoko Akiyama, Naoko Namba, Shusuke Yoshimoto, Yuki Noda, Teppei Araki, Tsuyoshi Sekitani
Nature Electronics Vol. 2 No. 8 p. 351-360 2019 Research paper (scientific journal)
Publisher: Springer Science and Business Media LLC
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Evaluating Intrinsic Mobility from Transient Terahertz Conductivity Spectra of Microcrystal Samples of Organic Molecular Semiconductors
H. Yada, H. Sekine, T. Miyamoto, T. Terashige, R. Uchida, T. Otaki, F. Maruike, N. Kida, T. Uemura, S. Watanabe, T. Okamoto, J. Takeya, H. Okamoto
Applied Physics Letters Vol. 115 No. 14 2019 Research paper (scientific journal)
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Design of Ultraflexible Organic Differential Amplifier Circuits for Wearable Sensor Technologies
Masaya Kondo, Takafumi Uemura, Mihoko Akiyama, Naoko Namba, Masahiro Sugiyama, Yuki Noda, Teppei Araki, Shusuke Yoshimoto, Tsuyoshi Sekitani
IEEE International Conference on Microelectronic Test Structures Vol. 2018-March p. 79-84 2018/06/12 Research paper (international conference proceedings)
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Stretchable Electronics for Wearable Microvolt Biosignal Monitoring Systems
Tsuyoshi Sekitani, Shusuke Yoshimoto, Teppei Araki, Yuki Noda, Takafumi Uemura
Digest of Technical Papers - SID International Symposium Vol. 49 No. 1 p. 84-86 2018 Research paper (international conference proceedings)
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Magnetic Resonance Wireless Power Transmission System for an Implantable Sensor in the Common Marmoset
Mayuko Fujii, Shusuke Yoshimoto, Toshikazu Nezu, Hiroshi Ohta, Hiroki Hamanaka, Teppei Araki, Yuki Noda, Takafumi Uemura, Masayuki Hirata, Tsuyoshi Sekitani
40th International Conference of the IEEE Engineering in Medicine and Biology Society, ThPoS-22.22 2018 Research paper (international conference proceedings)
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Enhanced Electronic-Transport Modulation in Single-Crystalline VO2 Nanowire-Based Solid-State Field-Effect Transistors
Tingting Wei, Teruo Kanki, Masashi Chikanari, Takafumi Uemura, Tsuyoshi Sekitani, Hidekazu Tanaka
Scientific Reports Vol. 7 No. 1 2017/12/01 Research paper (scientific journal)
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Boron-Stabilized Planar Neutral π-Radicals with Well-Balanced Ambipolar Charge-Transport Properties.
Tomokatsu Kushida, Shusuke Shirai, Naoki Ando, Toshihiro Okamoto, Hiroyuki Ishii, Hiroyuki Matsui, Masakazu Yamagishi, Takafumi Uemura, Junto Tsurumi, Shun Watanabe, Jun Takeya, Shigehiro Yamaguchi
Journal of the American Chemical Society Vol. 139 No. 41 p. 14336-14339 2017/10/18 Research paper (scientific journal)
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A Patch-Type Wireless Forehead Pulse Oximeter for SpO<inf>2</inf> Measurement
A. Azhari, S. Yoshimoto, T. Nezu, H. Iida, H. Ota, Y. Noda, T. Araki, T. Uemura, T. Sekitani, K. Morii
2017 IEEE Biomedical Circuits and Systems Conference (BioCAS) Vol. 2018-January p. 1-4 2017/10 Research paper (international conference proceedings)
Publisher: IEEE
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Flexible Electronics for Bio-Signal Monitoring in Implantable Applications
Shusuke Yoshimoto, Teppei Araki, Takafumi Uemura, Yuki Noda, Tsuyoshi Sekitani
IEICE ELECTRONICS EXPRESS Vol. 14 No. 20 2017/10
Publisher: IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
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Flexible Organic TFT Bio-Signal Amplifier Using Reliable Chip Component Assembly Process with Conductive Adhesive
Shusuke Yoshimoto, Takafumi Uemura, Mihoko Akiyama, Yoshihiro Ihara, Satoshi Otake, Tomoharu Fujii, Teppei Araki, Tsuyoshi Sekitani
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS p. 1849-1852 2017/09/13 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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Flexible Sensor Sheet for Real-Time Pressure Monitoring in Artificial Knee Joint during Total Knee Arthroplasty
Fumika Tanabe, Shusuke Yoshimoto, Yuki Noda, Teppei Araki, Takafumi Uemura, Yoshinori Takeuchi, Masaharu Imai, Tsuyoshi Sekitani
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS p. 1591-1594 2017/09/13 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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Growth of Organic Semiconductor Thin Films with Multi-Micron Domain Size and Fabrication of Organic Transistors Using a Stencil Nanosieve
Pavlo Fesenko, Valentin Flauraud, Shenqi Xie, Enpu Kang, Takafumi Uemura, Jürgen Brugger, Jan Genoe, Paul Heremans, Cédric Rolin
ACS Applied Materials and Interfaces Vol. 9 No. 28 p. 23314-23318 2017/07/19 Research paper (scientific journal)
Publisher: American Chemical Society
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Enhanced electrical durability and mechanical stretchability of Ag nanowire-based transparent electrodes by nanometer-thick metal plating
Teppei Araki, Yuki Noda, Ashuya Takemoto, Shusuke Yoshimoto, Takafumi Uemura, Tsuyoshi Sekitani
Proceedings of the International Display Workshops Vol. 1 p. 541-544 2017 Research paper (international conference proceedings)
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A Sheet-Type Wireless Electroencephalogram (EEG) Sensor System Using Flexible and Stretchable Electronics
Tsuyoshi Sekltanl, Shusuke Yoshimoto, Teppei Arakl, Takafumi Uemura
Digest of Technical Papers - SID International Symposium Vol. 48 No. 1 p. 143-146 2017 Research paper (international conference proceedings)
Publisher: Blackwell Publishing Ltd
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Wireless EEG Patch Sensor on Forehead Using On-Demand Stretchable Electrode Sheet and Electrode-Tissue Impedance Scanner
S. Yoshimoto, T. Araki, T. Uemura, T. Nezu, M. Kondo, K. Sasai, M. Iwase, H. Satake, A. Yoshida, M. Kikuchi, T. Sekitani
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS Vol. 2016- p. 6286-6289 2016/10/13 Research paper (international conference proceedings)
Publisher: Institute of Electrical and Electronics Engineers Inc.
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Ultraflexible and Ultrathin Polymeric Gate Insulator for 2 V Organic Transistor Circuits
Masaya Kondo, Takafumi Uemura, Takafumi Matsumoto, Teppei Araki, Shusuke Yoshimoto, Tsuyoshi Sekitani
Applied Physics Express Vol. 9 No. 6 p. 061602-061602 2016/06/01 Research paper (scientific journal)
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Gradual Improvements of Charge Carrier Mobility at Ionic Liquid/Rubrene Single Crystal Interfaces
Yasuyuki Yokota, Hisaya Hara, Yusuke Morino, Ken Ichi Bando, Sakurako Ono, Akihito Imanishi, Yugo Okada, Hiroyuki Matsui, Takafumi Uemura, Jun Takeya, Ken Ichi Fukui
Applied Physics Letters Vol. 108 No. 8 2016/02/22 Research paper (scientific journal)
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Implantable Wireless 64-Channel System with Flexible ECoG Electrode and Optogenetics Probe
Shusuke Yoshimoto, Teppei Araki, Takafumi Uemura, Toshikazu Nezu, Tsuyoshi Sekitani, Takafumi Suzuki, Fumiaki Yoshida, Masayuki Hirata
PROCEEDINGS OF 2016 IEEE BIOMEDICAL CIRCUITS AND SYSTEMS CONFERENCE (BIOCAS) p. 476-479 2016 Research paper (international conference proceedings)
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On the Extraction of Charge Carrier Mobility in High-Mobility Organic Transistors
Uemura, Takafumi, Rolin, Cedric, Ke, Tung-Huei, Fesenko, Pavlo, Genoe, Jan, Heremans, Paul, Takeya, Jun
Advanced Materials Vol. 28 No. 1 p. 151-155 2016 Research paper (scientific journal)
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The Emergence of Charge Coherence in Soft Molecular Organic Semiconductors Via the Suppression of Thermal Fluctuations
K. Sakai, Y. Okada, T. Uemura, J. Tsurumi, R. Häusermann, H. Matsui, T. Fukami, H. Ishii, N. Kobayashi, K. Hirose, J. Takeya
NPG Asia Materials Vol. 8 No. 3 2016 Research paper (scientific journal)
Publisher: NATURE PUBLISHING GROUP
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Enhancement of the Exciton Coherence Size in Organic Semiconductor by Alkyl Chain Substitution
Tanaka, Shunsuke, Miyata, Kiyoshi, Sugimoto, Toshiki an, Watanabe, Kazuya, Uemura, Takafumi, Takeya, Jun, Matsumoto, Yoshiyasu
Journal of Physical Chemistry C Vol. 120 No. 15 p. 7941-7948 2016 Research paper (scientific journal)
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Microscopic Hole-Transfer Efficiency in Organic Thin-Film Transistors Studied with Charge-Modulation Spectroscopy
Kiyoshi Miyata, Shunsuke Tanaka, Yuuta Ishino, Kazuya Watanabe, Takafumi Uemura, Jun Takeya, Toshiki Sugimoto, Yoshiyasu Matsumoto
Physical Review B Vol. 91 No. 19 2015/05 Research paper (scientific journal)
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Correlation between Thermal Fluctuation Effects and Phase Coherence Factor in Carrier Transport of Single-Crystal Organic Semiconductors
Tatsuya Fukami, Hiroyuki Ishii, Nobuhiko Kobayashi, Takafumi Uemura, Kenichi Sakai, Yugo Okada, Jun Takeya, Kenji Hirose
Applied Physics Letters Vol. 106 No. 14 2015/04 Research paper (scientific journal)
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Molecularly Clean Ionic Liquid/Rubrene Single-Crystal Interfaces Revealed by Frequency Modulation Atomic Force Microscopy
Yasuyuki Yokota, Hisaya Hara, Yusuke Morino, Ken-ichi Bando, Akihito Imanishi, Takafumi Uemura, Jun Takeya, Ken-ichi Fukui
Physical Chemistry Chemical Physics Vol. 17 No. 10 p. 6794-6800 2015/03 Research paper (scientific journal)
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High-mobility short-channel organic transistors with photolithography-patterned top electrodes
Takafumi Uemura, Tsuyoshi Sekitani
Proceedings of the International Display Workshops Vol. 3 p. 1751-1754 2015 Research paper (international conference proceedings)
Publisher: International Display Workshops
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Structural and Transport Properties of Ionic Liquid / Organic Single Crystal Interfaces Using FM-ATM and Device Measurements
Yokota Yasuyuki, Hara Hisaya, Morino Yusuke, Bando Ken-ichi, Ono Sakurako, Imanishi Akihito, Okada Yugo, Matsui Hiroyuki, Uemura Takafumi, Takeya Jun, Fukui Ken-ichi
Abstract of annual meeting of the Surface Science of Japan Vol. 35 p. 432-432 2015
Publisher: The Surface Science Society of Japan
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Carrier Dynamics of Rubrene Single-Crystals Revealed by Transient Broadband Terahertz Spectroscopy
H. Yada, R. Uchida, H. Sekine, T. Terashige, S. Tao, Y. Matsui, N. Kida, S. Fratini, S. Ciuchi, Y. Okada, T. Uemura, J. Takeya, H. Okamoto
Applied Physics Letters Vol. 105 No. 14 2014/10/06 Research paper (scientific journal)
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High-Mobility Organic Transistors with Wet-Etch-Patterned Top Electrodes: A Novel Patterning Method for Fine-Pitch Integration of Organic Devices
Takafumi Uemura
Advanced Materials Interfaces Vol. 1 No. 5 p. 1300124-1300124 2014/08 Research paper (scientific journal)
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High-Performance Solution-Processable N-Shaped Organic Semiconducting Materials with Stabilized Crystal Phase
Chikahiko Mitsui, Toshihiro Okamoto, Masakazu Yamagishi, Junto Tsurumi, Kazumi Yoshimoto, Katsumasa Nakahara, Junshi Soeda, Yuri Hirose, Hiroyasu Sato, Akihito Yamano, Takafumi Uemura, Jun Takeya
Advanced Materials Vol. 26 No. 26 p. 4546-4551 2014/07/09 Research paper (scientific journal)
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Split-Gate Organic Field-Effect Transistors for High-Speed Operation
T. Uemura, T. Matsumoto, K. Miyake, M. Uno, S. Ohnishi, T. Kato, M. Katayama, S. Shinamura, M. Hamada, M. J. Kang, K. Takimiya, C. Mitsui, T. Okamoto, J. Takeya
Advanced Materials Vol. 26 No. 19 p. 2983-2988 2014/05/21 Research paper (scientific journal)
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Materials and Devices with Applications in High-End Organic Transistors
J. Takeya, T. Uemura, K. Sakai, Y. Okada
Thin Solid Films Vol. 554 p. 19-26 2014/03 Research paper (international conference proceedings)
Publisher: ELSEVIER SCIENCE SA
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Coherent phonon dynamics in singlet fission of rubrene single crystal
Kiyoshi Miyata, Shunsuke Tanaka, Toshiki Sugimoto, Kazuya Watanabe, Takafumi Uemura, Jun Takeya, Yoshiyasu Matsumoto
Optics InfoBase Conference Papers 2014 Research paper (international conference proceedings)
Publisher: Optical Society of American (OSA)
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イオン液体／ルブレン単結晶界面ＦＥＴの高性能化に向けた界面局所構造解析
森野 裕介, 原 援又, 坂東 賢一, 岡田 悠悟, 今西 哲士, 植村 隆文, 横田 泰之, 竹谷 純一, 福井 賢一
表面科学学術講演会要旨集 Vol. 34 p. 126-126 2014
Publisher: 公益社団法人 日本表面科学会
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Coherent Phonon Dynamics in Singlet Fission of Rubrene Single Crystal
Kiyoshi Miyata, Shunsuke Tanaka, Toshiki Sugimoto, Kazuya Watanabe, Takafumi Uemura, Jun Takeya, Yoshiyasu Matsumoto
Optics InfoBase Conference Papers Vol. 162 p. 218-221 2014 Research paper (international conference proceedings)
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Ultrafast exciton dynamics in dinaphtho[2,3-b:2 ' 3 '-f]thieno[3,2-b]-thiophene thin films
Ishino, Yuuta, Miyata, Kiyoshi, Sugimoto, Toshiki an, Watanabe, Kazuya, Matsumoto, Yoshiyasu, Uemura, Takafumi, Takeya, Jun
Physical Chemistry Chemical Physics Vol. 16 No. 16 p. 7501-7512 2014 Research paper (scientific journal)
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Clean Surface Processing of Rubrene Single Crystal Immersed in Ionic Liquid by Using Frequency Modulation Atomic Force Microscopy
Yasuyuki Yokota, Hisaya Hara, Yusuke Morino, Ken Ichi Bando, Akihito Imanishi, Takafumi Uemura, Jun Takeya, Ken Ichi Fukui
Applied Physics Letters Vol. 104 No. 26 2014 Research paper (scientific journal)
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V-shaped Organic Semiconductors with Solution Processability, High Mobility, and High Thermal durability
Toshihiro Okamoto, Chikahiko Mitsui, Masakazu Yamagishi, Katsumasa Nakahara, Junshi Soeda, Yuri Hirose, Kazumoto Miwa, Hiroyasu Sato, Akihito Yamano, Takeshi Matsushita, Takafumi Uemura, Jun Takeya
Advanced Materials Vol. 25 No. 44 p. 6392-6397 2013/11/26 Research paper (scientific journal)
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Structural Investigation of Ionic Liquid/Rubrene Single Crystal Interfaces by Using Frequency-Modulation Atomic Force Microscopy
Yasuyuki Yokota, Hisaya Hara, Tomohiro Harada, Akihito Imanishi, Takafumi Uemura, Jun Takeya, Ken Ichi Fukui
Chemical Communications Vol. 49 No. 90 p. 10596-10598 2013/11/21 Research paper (scientific journal)
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Inch-Size Solution-Processed Single-Crystalline Films of High-Mobility Organic Semiconductors
Junshi Soeda, Takafumi Uemura, Toshihiro Okamoto, Chikahiko Mitsui, Masakazu Yamagishi, Jun Takeya
Applied Physics Express Vol. 6 No. 7 p. 076503-076503 2013/07 Research paper (scientific journal)
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High-Speed Organic Single-Crystal Transistors Gated with Short-Channel Air Gaps: Efficient Hole and Electron Injection in Organic Semiconductor Crystals
Mayumi Uno, Takafumi Uemura, Yusuke Kanaoka, Zhihua Chen, Antonio Facchetti, Jun Takeya
Organic Electronics Vol. 14 No. 6 p. 1656-1662 2013/06 Research paper (scientific journal)
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Investigation of Hole Transporting Properties in Thin-Film and Single-Crystal Organic Field-Effect Transistor Based on Dinaphtho[2,1-b:1 ',2 '-d] thiophene
Katsumasa Nakahara, Chikahiko Mitsui, Toshihiro Okamoto, Masakazu Yamagishi, Junshi Soeda, Kazumoto Miwa, Hiroyasu Sato, Akihito Yamano, Takafumi Uemura, Jun Takeya
Japanese Journal of Applied Physics Vol. 52 No. 5 2013/05 Research paper (scientific journal)
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Charge Modulation Infrared Spectroscopy of Rubrene Single-Crystal Field-Effect Transistors
R. Uchida, H. Yada, M. Makino, Y. Matsui, K. Miwa, T. Uemura, J. Takeya, H. Okamoto
Applied Physics Letters Vol. 102 No. 9 2013/03/04 Research paper (scientific journal)
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High-Performance Solution-Processed Organic Transistors with Electroless-Plated Electrodes
M. Ito, T. Uemura, J. Soeda, J. Takeya
Organic Electronics Vol. 14 No. 9 p. 2144-2147 2013 Research paper (scientific journal)
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Single-Crystal Field-Effect Transistors with a Furan-Containing Organic Semiconductor Having a Twisted π-Electronic System
Katsumasa Nakahara, Chikahiko Mitsui, Toshihiro Okamoto, Masakazu Yamagishi, Kazumoto Miwa, Hiroyasu Sato, Akihito Yamano, Takafumi Uemura, Jun Takeya
Chemistry Letters Vol. 42 No. 6 p. 654-656 2013 Research paper (scientific journal)
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Study of Contact Resistance of High-Mobility Organic Transistors Through Comparisons
Takafumi Matsumoto, Wei Ou-Yang, Kenjiro Miyake, Takafumi Uemura, Jun Takeya
Organic Electronics Vol. 14 No. 10 p. 2590-2595 2013 Research paper (scientific journal)
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Retrieval of Electronic Spectra of Charge Carriers in Organic Field-Effect Transistors from Charge Modulation Reflectance Spectra Distorted by Optical Interference
K. Miyata, Y. Ishino, K. Watanabe, K. Miwa, T. Uemura, J. Takeya, Y. Matsumoto
Japanese Journal of Applied Physics Vol. 52 No. 6 p. 06240152-1-4 2013 Research paper (scientific journal)
Publisher: Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physics
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Dinaphtho[1,2-b:2',1'-d ]chalcogenophenes: Comprehensive Investigation of the Effect of the Chalcogen Atoms in the Phenacene-Type π-Electronic Cores
Chikahiko Mitsui, Toshihiro Okamoto, Hiroyuki Matsui, Masakazu Yamagishi, Takeshi Matsushita, Junshi Soeda, Kazumoto Miwa, Hiroyasu Sato, Akihito Yamano, Takafumi Uemura, Jun Takeya
Chemistry of Materials Vol. 25 No. 20 p. 3952-3956 2013 Research paper (scientific journal)
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Band-Like Transport in Solution-Crystallized Organic Transistors
T. Uemura, K. Nakayama, Y. Hirose, J. Soeda, M. Uno, W. Li, M. Yamagishi, Y. Okada, J. Takeya
Current Applied Physics Vol. 12 No. SUPPL.3 2012/12 Research paper (international conference proceedings)
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High-Power Three-Dimensional Polymer FETs
K. Nakayama, T. Uemura, M. Uno, T. Okamoto, I. Osaka, K. Takimiya, J. Takeya
Current Applied Physics Vol. 12 No. SUPPL.3 2012/12 Research paper (international conference proceedings)
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High-Performance Organic Transistors with High-k Dielectrics: A Comparative Study on Solution-Processed Single Crystals and Vacuum-Deposited Polycrystalline Films of 2,9-Didecyl-Dinaphtho[2,3-b:2’,3’-f]thieno[3,2-b]thiophene
W. Ou-Yang, T. Uemura, K. Miyake, S. Onish, T. Kato, M. Katayama, M. Kang, K. Takimiya, M. Ikeda, H. Kuwabara, M. Hamada, J. Takeya
Applied Physics Letters Vol. 101 No. 22 2012/11/26 Research paper (scientific journal)
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Flexible Three-Dimensional Organic Field-Effect Transistors Fabricated by an Imprinting Technique
Rie Nakahara, Mayumi Uno, Takafumi Uemura, Kazuo Takimiya, Jun Takeya
Advanced Materials Vol. 24 No. 38 p. 5212-5216 2012/10/02 Research paper (scientific journal)
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Crystalline organic TFTs for active-matrix display panels
Jun Takeva, Takafumi Uemura, Mayumi Uno, Yusuke Kanaoka
Proceedings of the International Display Workshops Vol. 2 p. 960-962 2012 Research paper (international conference proceedings)
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Local structure analysis of the potential applied ionic liquid/rubrene single crystal interface
Hara Hisaya, Harada Tomohiro, Imanishi Akihito, Yokota Yasuyuki, Uemura Takafumi, Takeya Junichi, Fukui Kenichi
Abstract of annual meeting of the Surface Science of Japan Vol. 32 p. 252-252 2012
Publisher: The Surface Science Society of Japan
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Solution-Crystallized High-mobility Organic Active Matrices and Display Panels
Jun Takeya, Takafumi Uemura, Mayumi Uno, Yusuke Kanaoka
IDW/AD '12: PROCEEDINGS OF THE INTERNATIONAL DISPLAY WORKSHOPS, PT 1 Vol. 19 p. 165-167 2012 Research paper (international conference proceedings)
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High-Mobility Organic Active Matrices based on Solution-Crystallized TFT Arrays
Takafumi Uemura, Mayumi Uno, Yusuke Kanaoka, Jun Takeya
IDW/AD '12: PROCEEDINGS OF THE INTERNATIONAL DISPLAY WORKSHOPS, PT 1 Vol. 19 p. 743-746 2012 Research paper (international conference proceedings)
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Crystalline Organic TFTs for Active-matrix Display Panels
Jun Takeya, Takafumi Uemura, Mayumi Uno, Yusuke Kanaoka
IDW/AD '12: PROCEEDINGS OF THE INTERNATIONAL DISPLAY WORKSHOPS, PT 3 Vol. 19 p. 1847-1849 2012 Research paper (international conference proceedings)
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Solution-Crystallized High-Mobility Organic Active Matrices and Display Panels
Jun Takeya, Takafumi Uemura, Mayumi Uno, Yusuke Kanaoka
Proceedings of the International Display Workshops Vol. 1 p. 475-477 2012 Research paper (international conference proceedings)
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High-Mobility Organic Active Matrices based on Solution-Crystallized TFT Arrays
Takafumi Uemura, Mayumi Uno, Yusuke Kanaoka, Jun Takeya
Proceedings of the International Display Workshops Vol. 3 p. 1762-1765 2012 Research paper (international conference proceedings)
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Temperature dependence of the Hall effect in pentacene field-effect transistors: Possibility of charge decoherence induced by molecular fluctuations
Uemura, T., Yamagishi, M., Soeda, J., Takatsuki, Y., Okada, Y., Nakazawa, Y., Takeya, J.
Physical Review B Vol. 85 No. 3 p. 1-6 2012 Research paper (scientific journal)
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Relaxation Dynamics of Photoexcited Excitons in Rubrene Single Crystals Using Femtosecond Absorption Spectroscopy
S. Tao, N. Ohtani, R. Uchida, T. Miyamoto, Y. Matsui, H. Yada, H. Uemura, H. Matsuzaki, T. Uemura, J. Takeya, H. Okamoto
Physical Review Letters Vol. 109 No. 9 p. 097403-1-097403-5 2012 Research paper (scientific journal)
Publisher: American Physical Society (APS)
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Electroconductive π-Junction Au Nnoparticles
Masayuki Kanehara, Jun Takeya, Takafumi Uemura, Hideyuki Murata, Kazuo Takimiya, Hikaru Sekine, Toshiharu Teranishi
Bulletin of the Chemical Society of Japan Vol. 85 No. 9 p. 957-961 2012 Research paper (scientific journal)
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High Electron Mobility in Air for N,N′-1H,1H-Perfluorobutyldicyanoperylene Carboxydi-imide Solution-Crystallized Thin-Film Transistors on Hydrophobic Surfaces
Junshi Soeda, Takafumi Uemura, Yu Mizuno, Akiko Nakao, Yasuhiro Nakazawa, Antonio Facchetti, Jun Takeya
Advanced Materials Vol. 23 No. 32 p. 3681-3685 2011/08/23 Research paper (scientific journal)
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Solution-Crystallized Organic Field-Effect Transistors with Charge-Acceptor Layers: High-Mobility and Low-Threshold-Voltage Operation in Air
Junshi Soeda, Yuri Hirose, Masakazu Yamagishi, Akiko Nakao, Takafumi Uemura, Kengo Nakayama, Mayumi Uno, Yasuhiro Nakazawa, Kazuo Takimiya, Jun Takeya
Advanced Materials Vol. 23 No. 29 p. 3309-3314 2011/08/02 Research paper (scientific journal)
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High-Speed Flexible Organic Field-Effect Transistors with a 3D Structure
Mayumi Uno, Kengo Nakayama, Junshi Soeda, Yuri Hirose, Kazumoto Miwa, Takafumi Uemura, Akiko Nakao, Kazuo Takimiya, Jun Takeya
Advanced Materials Vol. 23 No. 27 p. 3047-3051 2011/07/19 Research paper (scientific journal)
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Patternable Solution-Crystallized Organic Transistors with High Charge Carrier Mobility
Kengo Nakayama, Yuri Hirose, Junshi Soeda, Masahiro Yoshizumi, Takafumi Uemura, Mayumi Uno, Wanyan Li, Myeong Jin Kang, Masakazu Yamagishi, Yugo Okada, Eigo Miyazaki, Yasuhiro Nakazawa, Akiko Nakao, Kazuo Takimiya, Jun Takeya
Advanced Materials Vol. 23 No. 14 p. 1626-+ 2011/04 Research paper (scientific journal)
Publisher: WILEY-BLACKWELL
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Three-Dimensional Organic Field-Effect Transistors Using Solution-Processed Thin Films of Benzothieno-Benzothiophene Derivatives
Wanyan Li, Mayumi Uno, Yuri Hirose, Takafumi Uemura, Kazuo Takimiya, Jun Takeya
Molecular Crystals and Liquid Crystals Vol. 539 p. 58/[398]-62/[402] 2011 Research paper (scientific journal)
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Organic Single-Crystal Transistors: Development of Solution Processes and Charge Transport Mechanisms
Takafumi Uemura, Jun Takeya
Proceedings of SPIE - The International Society for Optical Engineering Vol. 8117 2011 Research paper (international conference proceedings)
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Organic Active-Matrix TFTs with Air-Stable Organic Semiconductors
Takafumi Uemura, Mayumi Uno, Kengo Nakayama, Norikazu Shomoto, Masataka Itoh, Kazuo Takimiya, Jun Takeya
Proceedings of the International Display Workshops Vol. 3 p. 1639-1642 2011 Research paper (international conference proceedings)
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Short-Channel and High-Mobility p- and n-Type Organic Single-Crystal Transistors with Air-Gap Structures
M. Uno, T. Uemura, K. Miwa, A. Facchetti, J. Takeya
Materials Research Society Symposium Proceedings Vol. 1402 p. 31-36 2011 Research paper (international conference proceedings)
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Optical pump-probe spectroscopy of photocarriers in rubrene single crystals
Tao, Shoichi, Matsuzaki, Hiroyuki, Uemura, Hirotaka, Yada, Hiroyuki, Uemura, Takafumi, Takeya, Jun, Hasegawa, Tatsuo, Okamoto, Hiroshi
Physical Review B Vol. 83 No. 7 p. 1-9 2011 Research paper (scientific journal)
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Hall-Effect Measurements Probing the Degree of Charge-Carrier Delocalization in Solution-Processed Crystalline Molecular Semiconductors
Chang, Jui-Fen, Sakanoue, Tomo, Olivier, Yoann, Uemura, Takafumi, Dufourg-Madec, Marie-Beatrice a, Yeates, Stephen G., Cornil, Jerome, Takeya, Jun, Troisi, Alessandro, Sirringhaus, Henning
Physical Review Letters Vol. 107 No. 6 p. 1-4 2011 Research paper (scientific journal)
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Charge transport and Hall effect in rubrene single-crystal transistors under high pressure
Okada, Y., Sakai, K., Uemura, T., Nakazawa, Y., Takeya, J.
Physical Review B Vol. 84 No. 24 p. 1-5 2011 Research paper (scientific journal)
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Monolithic Complementary Inverters Based on Organic Single Crystals
T. Uemura, M. Yamagishi, Y. Okada, K. Nakayama, M. Yoshizumi, M. Uno, J. Takeya
Advanced Materials Vol. 22 No. 35 p. 3938-3941 2010/09/15 Research paper (scientific journal)
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High-Power and High-Speed Organic Three-Dimensional Transistors with Submicrometer Channels
M. Uno, Y. Hirose, T. Uemura, K. Takimiya, Y. Nakazawa, J. Takeya
Applied Physics Letters Vol. 97 No. 1 2010/07/05 Research paper (scientific journal)
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Free-Electron-Like Hall Effect in High-Mobility Organic Thin-Film Transistors
M. Yamagishi, J. Soeda, T. Uemura, Y. Okada, Y. Takatsuki, T. Nishikawa, Y. Nakazawa, I. Doi, K. Takimiya, J. Takeya
Physical Review B Vol. 81 No. 16 2010/04/12 Research paper (scientific journal)
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Enhanced Fluorescence by Surface Plasmon Coupling of Au Nanoparticles in an Organic Electroluminescence Diode
A. Fujiki, T. Uemura, N. Zettsu, M. Akai-Kasaya, A. Saito, Y. Kuwahara
Applied Physics Letters Vol. 96 No. 4 p. 043307-043307 2010/01/25 Research paper (scientific journal)
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Air-Stable n-Channel Single-Crystal Field-Effect Transistors
Masakazu Yamagishi, Yoshihiro Tominari, Takafumi Uemura, Koichi Yamada, Jun Takeya
Japanese Journal of Applied Physics Vol. 49 No. 1 Part 2 2010 Research paper (scientific journal)
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Progress in Organic Crystal Transistors for High-Performance Organic Electronics
J. Takeya, T. Uemura, M. Uno, M. Yamagishi, Y. Tominari
Materials Research Society Symposium Proceedings Vol. 1115 p. 77-82 2010 Research paper (international conference proceedings)
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Air-Stable n-Channel Organic Single-Crystal Field-Effect Transistors
T. Uemura, M. Yamagishi, Y. Tominari, J. Takeya
Materials Research Society Symposium Proceedings Vol. 1115 p. 23-28 2010 Research paper (international conference proceedings)
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Hall Effect of Solution-Crystallized and Vapor-Deposited 2,7-dioctylbenzothieno[3,2-b]benzothiophene Field-Effect Transistors
M. Yamagishi, T. Uemura, Y. Takatsuki, J. Soeda, Y. Okada, Y. Hirose, Y. Nakazawa, S. Shinamura, K. Takimiya, J. Takeya
Materials Research Society Symposium Proceedings Vol. 1270 p. 119-125 2010 Research paper (international conference proceedings)
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Structure Analysis of Solution-Crystallized 2,7-dioctylbenzothieno[3,2-b] benzothiophene Thin Films in Very High-Mobility Transistors
J. Soeda, M. Yamagishi, Y. Hirose, T. Uemura, A. Nakao, Y. Nakazawa, S. Shinamura, K. Takimiya, J. Takeya
Materials Research Society Symposium Proceedings Vol. 1270 p. 207-213 2010 Research paper (international conference proceedings)
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Monolithic Complementary Inverters Based on Intrinsic Semiconductors of Organic Single Crystals
T. Uemura, M. Yamagishi, Y. Okada, K. Nakayama, M. Yoshizumi, M. Uno, Y. Nakazawa, J. Takeya
Materials Research Society Symposium Proceedings Vol. 1270 p. 167-173 2010 Research paper (international conference proceedings)
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High-Power Organic Field-Effect Transistors Using a Three-Dimensional Structure
M. Uno, Y. Hirose, K. Nakayama, T. Uemura, Y. Nakazawa, K. Takimiya, J. Takeya
Materials Research Society Symposium Proceedings Vol. 1270 p. 161-166 2010 Research paper (international conference proceedings)
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Very Low-Voltage Operation of Ionic Liquid-Gated n-Type Organic Field-Effect Transistors
Takafumi Uemura, Masakazu Yamagishi, Shimpei Ono, Jun Takeya
Japanese Journal of Applied Physics Vol. 49 No. 1 Part 2 2010 Research paper (international conference proceedings)
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Very High Mobility in Solution-Processed Organic Thin-Film Transistors of Highly Ordered [1]Benzothieno[3,2-b]benzothiophene Derivatives
Takafumi Uemura, Yuri Hirose, Mayumi Uno, Kazuo Takimiya, Jun Takeya
Applied Physics Express Vol. 2 No. 11 p. 1-3 2009/11 Research paper (scientific journal)
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Electrical Properties of Individual ZnO Nanowires
M. Sakurai, Y. G. Wang, T. Uemura, M. Aono
Nanotechnology Vol. 20 No. 15 p. 155203-155203 2009/04 Research paper (scientific journal)
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Air-Stable n-Channel Single-Crystal Transistors with Negligible Threshold Gate Voltage
M. Yamagishi, Y. Tominari, T. Uemura, J. Takeya
Applied Physics Letters Vol. 94 No. 5 p. 1-3 2009/02 Research paper (scientific journal)
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Low-Voltage Operation of n -Type Organic Field-Effect Transistors with Ionic Liquid
T. Uemura, M. Yamagishi, S. Ono, J. Takeya
Applied Physics Letters Vol. 95 No. 10 2009 Research paper (scientific journal)
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Comprehensive Evaluation of Electron Mobility for Trifluoroacetyl-Terminated Electronegative Conjugated Oligomer
Yutaka Ie, Masashi Nitani, Takafumi Uemura, Yukihiro Tominari, Jun Takeya, Yoshihito Honsho, Akinori Saeki, Shu Seki, Yoshio Aso
Journal of Physical Chemistry C Vol. 113 No. 39 p. 17189-17193 2009 Research paper (scientific journal)
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Reduced Contact Resistances in Organic Transistors with Secondary Gates on Source and Drain Electrodes
K. Nakayama, T. Uemura, M. Uno, J. Takeya
Applied Physics Letters Vol. 95 No. 11 2009 Research paper (scientific journal)
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Charge-Transfer Induced Surface Conductivity for a Copper Based Inorganic-Organic Hybrid
Anne H. Arkenbout, Takafumi Uemura, Jun Takeya, Thomas T.M. Palstra
Applied Physics Letters Vol. 95 No. 17 2009 Research paper (scientific journal)
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Spatially Resolved Detection of Plasmon-Enhanced Fluorescence Using Scanning Tunneling Microscopy
T. Uemura, M. Akai-Kasaya, A. Saito, M. Aono, Y. Kuwahara
Surface and Interface Analysis Vol. 40 No. 6-7 p. 1050-1053 2008/06 Research paper (scientific journal)
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Electronic Functionalization of Solid-to-Liquid Interfaces between Organic Semiconductors and Ionic Liquids: Realization of Very High Performance Organic Single-Crystal Transistors
T. Uemura, R. Hirahara, Y. Tominari, S. Ono, S. Seki, J. Takeya
Applied Physics Letters Vol. 93 No. 26 2008 Research paper (scientific journal)
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Local-Plasmon-Enhanced Up-Conversion Fluorescence from Copper Phthalocyanine
T. Uemura, M. Furumoto, T. Nakano, M. Akai-Kasaya, A. Saito, M. Aono, Y. Kuwahara
Chemical Physics Letters Vol. 448 No. 4-6 p. 232-236 2007/11 Research paper (scientific journal)
Publisher: Elsevier BV
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Tunneling-Current-Induced Light Emission from Copper Phthalocyanine Thin Films
Takafumi Uemura, Masako Furumoto, Takeshi Nakano, Megumi Akai-Kasaya, Masakazu Aono, Akira Saito, Yuji Kuwahara
e-Journal of Surface Science and Nanotechnology Vol. 4 p. 559-562 2006/07/04 Research paper (scientific journal)
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Tunneling-Current-Induced Light Emission from Individual Carbon Nanotubes
Takafumi Uemura, Shinichi Yamaguchi, Megumi Akai-Kasaya, Akira Saito, Masakazu Aono, Yuji Kuwahara
Surface Science Vol. 600 No. 3 p. L15-L19 2006/02 Research paper (scientific journal)
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Two-dimentional mapping of local electric conduction in conductive organic thin film.
Tsuruta Shinji, Yang Jin, Uemura Takahumi, Akai-Kasaya Megumi, Saito Akira, Kuwahara Yuji
Abstract of annual meeting of the Surface Science of Japan Vol. 26 No. 0 p. 233-233 2006
Publisher: The Surface Science Society of Japan
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Tunneling-current-induced light emission from phthalocyanine thin films
Furumoto Masako, Uemura Takafumi, Nakano Takeshi, Akai Megumi, Saito Akira, Kuwahara Yuji, Aono Masakazu
Proceedings of JSPE Semestrial Meeting Vol. 2005 No. 0 p. 795-796 2005
Publisher: The Japan Society for Precision Engineering
