JA

Profile

Research

Social

Other

Naoya AIZAWA

相澤　直矢

Graduate School of Engineering　Center for Future Innovation, Assistant Professor

Education

  • 2012/04 - 2015/03, Yamagata University, Graduate School of Science and Engineering
  • 2010/04 - 2012/03, Yamagata University, Graduate School of Science and Engineering
  • 2006/04 - 2010/03, Yamagata University, Faculty of Engineering

Research History

  • 2023/04 - Present, 科学技術振興機構, 創発研究者
  • 2023/04 - Present, Osaka University, CFi, Graduate School of Engineering, Assistant Professor
  • 2021/10 - Present, Osaka University, Department of Applied Chemistry, Graduate School of Engineering, Assistant Professor
  • 2021/04 - 2021/09, RIKEN, Center for Emergent Matter Science (CEMS), Special Postdoctoral Researcher
  • 2017/10 - 2021/09, Japan Science and Technology Agency (JST), PRESTO Researcher
  • 2019/04 - 2021/03, RIKEN, Center for Emergent Matter Science (CEMS), Researcher
  • 2015/04 - 2018/03, Kyushu University, INAMORI Frontier Research Center, Research Assistant Professor
  • 2013/04 - 2015/03, Japan Society for the Promotion of Science (JSPS), Graduate Student Fellow (DC2)
  • 2014/04 - 2014/10, Georgia Institute of Technology, School of Electrical and Computer Engineering, Visiting Scholar

Papers

  • Inverted singlet–triplet emitters for organic light-emitting diodes, Taehyun Won,Ken-ichi Nakayama,Naoya Aizawa, Chemical Physics Reviews, 2023/06/01
  • Possibilities and Limitations in Monomer Combinations for Ternary Two-Dimensional Covalent Organic Frameworks, Mitsuharu Suzuki,Masashi Miura,Enzo Ohkubo,Haru Karimata,Naoya Aizawa,Hiroko Yamada,Ken-ichi Nakayama, Journal of the American Chemical Society, American Chemical Society ({ACS}), Vol. 145, No. 5, p. 3008-3015, 2023/01
  • Delayed fluorescence from inverted singlet and triplet excited states., Naoya Aizawa,Yong-Jin Pu,Yu Harabuchi,Atsuko Nihonyanagi,Ryotaro Ibuka,Hiroyuki Inuzuka,Barun Dhara,Yuki Koyama,Ken-Ichi Nakayama,Satoshi Maeda,Fumito Araoka,Daigo Miyajima, Nature, Vol. 609, No. 7927, p. 502-506, 2022/09
  • Dual-acceptor thermally activated delayed fluorescence emitters: Achieving high efficiency and long lifetime in orange-red OLEDs, Xiaoxiao Hu,Naoya Aizawa,Minjun Kim,Miaofei Huang,Zhiyi Li,Guanhao Liu,Honglei Gao,Teng Gao,Xiangyu Dong,Yong Zhang,Jianjun Liu,Pengfei Wang,Yuanping Yi,Yong-Jin Pu,Ying Wang, Chemical Engineering Journal, Elsevier {BV}, Vol. 434, p. 134728-134728, 2022/04
  • Electron spin resonance resolves intermediate triplet states in delayed fluorescence, Bluebell H. Drummond,Naoya Aizawa,Yadong Zhang,William K. Myers,Yao Xiong,Matthew W. Cooper,Stephen Barlow,Qinying Gu,Leah R. Weiss,Alexander J. Gillett,Dan Credgington,Yong-Jin Pu,Seth R. Marder,Emrys W. Evans, Nature Communications, Springer Science and Business Media {LLC}, Vol. 12, No. 1, 2021/12
  • Energy Transfer from Blue-Emitting CsPbBr3 Perovskite Nanocrystals to Green-Emitting CsPbBr3 Perovskite Nanocrystals, Kazushi Enomoto,Risa Oizumi,Naoya Aizawa,Takayuki Chiba,Yong-Jin Pu, The Journal of Physical Chemistry C, American Chemical Society ({ACS}), 2021/09/09
  • Regulation of Multicolor Fluorescence Changes Found in Donor‐acceptor‐type Mechanochromic Fluorescent Dyes, Tsutomu Ishi‐i,Honoka Tanaka,Rihoko Kichise,Christopher Davin,Takaaki Matsuda,Naoya Aizawa,In Seob Park,Takuma Yasuda,Taisuke Matsumoto, Chemistry – An Asian Journal, Wiley, Vol. 16, No. 15, p. 2136-2145, 2021/06
  • Thermal equilibration between singlet and triplet excited states in organic fluorophore for submicrosecond delayed fluorescence, Naoya Aizawa,Akinobu Matsumoto,Takuma Yasuda, Science Advances, American Association for the Advancement of Science ({AAAS}), Vol. 7, No. 7, 2021/02/12
  • Kinetic prediction of reverse intersystem crossing in organic donor–acceptor molecules, Naoya Aizawa,Yu Harabuchi,Satoshi Maeda,Yong-Jin Pu, Nature Communications, Springer Science and Business Media {LLC}, Vol. 11, No. 1, 2020/12
  • Molecular beam epitaxy of high-quality CuI thin films on a low temperature grown buffer layer, S. Inagaki,M. Nakamura,N. Aizawa,L. C. Peng,X. Z. Yu,Y. Tokura,M. Kawasaki, Applied Physics Letters, 2020/05/11
  • Selenium Substitution Enhances Reverse Intersystem Crossing in a Delayed Fluorescence Emitter, Bluebell H. Drummond,Gabrielle C. Hoover,Alexander J. Gillett,Naoya Aizawa,William K. Myers,Bryony T. McAllister,Saul T. E. Jones,Yong-Jin Pu,Dan Credgington,Dwight S. Seferos, The Journal of Physical Chemistry C, American Chemical Society ({ACS}), Vol. 124, No. 11, p. 6364-6370, 2020/03/19
  • Synthesis of Anthracene Derivatives with Azaacene‐Containing Iptycene Wings and the Utilization as a Dopant for Solution‐Processed Organic Light‐Emitting Diodes, Hironobu Hayashi,Yuki Kato,Akinobu Matsumoto,So Shikita,Naoya Aizawa,Mitsuharu Suzuki,Naoki Aratani,Takuma Yasuda,Hiroko Yamada, Chemistry – A European Journal, Wiley, Vol. 25, No. 68, p. 15565-15571, 2019/12/05
  • Room‐Temperature Phosphorescence from a Series of 3‐Pyridylcarbazole Derivatives, Hisahiro Sasabe,Yuki Kato,Yuichiro Watanabe,Tatsuya Ohsawa,Naoya Aizawa,Wataru Fujiwara,Yong‐Jin Pu,Hiroshi Katagiri,Junji Kido, Chemistry – A European Journal, Wiley, Vol. 25, No. 71, p. 16294-16300, 2019/11
  • Mechanochromic fluorescence based on a combination of acceptor and bulky donor moieties: tuning emission color and regulating emission change direction, Tsutomu Ishi-i,Honoka Tanaka,Ryusuke Youfu,Naoya Aizawa,Takuma Yasuda,Shin-ichiro Kato,Taisuke Matsumoto, New Journal of Chemistry, Royal Society of Chemistry ({RSC}), 2019
  • Exciplex emissions derived from exceptionally long-distance donor and acceptor molecules, Yong-Jin Pu,Yuki Koyama,Daisuke Otsuki,Minjun Kim,Hiroya Chubachi,Yuki Seino,Kazushi Enomoto,Naoya Aizawa, Chemical Science, 2019
  • High-Crystallinity π-Conjugated Small Molecules Based on Thienylene-Vinylene-Thienylene: Critical Role of Self-Organization in Photovoltaic, Charge-Transport, and Morphological Properties, Seiichi Furukawa,Hideaki Komiyama,Naoya Aizawa,Takuma Yasuda, ACS Applied Materials & Interfaces, American Chemical Society ({ACS}), Vol. 10, No. 49, p. 42756-42765, 2018/11
  • Modulating Photo- and Electroluminescence in a Stimuli-Responsive π-Conjugated Donor-Acceptor Molecular System, Kohei Isayama,Naoya Aizawa,Jun Yun Kim,Takuma Yasuda, Angewandte Chemie, Wiley, Vol. 130, No. 37, p. 12158-12162, 2018/09/10
  • Modulating Photo- and Electroluminescence in a Stimuli-Responsive π-Conjugated Donor-Acceptor Molecular System, Kohei Isayama,Naoya Aizawa,Jun Yun Kim,Takuma Yasuda, Angewandte Chemie International Edition, Wiley, Vol. 57, No. 37, p. 11982-11986, 2018/09/10
  • High-Performance Dibenzoheteraborin-Based Thermally Activated Delayed Fluorescence Emitters: Molecular Architectonics for Concurrently Achieving Narrowband Emission and Efficient Triplet-Singlet Spin Conversion, In Seob Park,Kyohei Matsuo,Naoya Aizawa,Takuma Yasuda, Advanced Functional Materials, Wiley, Vol. 28, No. 34, p. 1802031-1802031, 2018/08/25
  • Molecular engineering of phosphacycle-based thermally activated delayed fluorescence materials for deep-blue OLEDs, Jiyoung Lee,Naoya Aizawa,Takuma Yasuda, Journal of Materials Chemistry C, 2018
  • Isobenzofuranone- and Chromone-Based Blue Delayed Fluorescence Emitters with Low Efficiency Roll-Off in Organic Light-Emitting Diodes, Jiyoung Lee,Naoya Aizawa,Takuma Yasuda, Chemistry of Materials, American Chemical Society ({ACS}), Vol. 29, No. 18, p. 8012-8020, 2017/09/11
  • Spin-Dependent Exciton Funneling to a Dendritic Fluorophore Mediated by a Thermally Activated Delayed Fluorescence Material as an Exciton-Harvesting Host, Naoya Aizawa,So Shikita,Takuma Yasuda, Chemistry of Materials, American Chemical Society ({ACS}), Vol. 29, No. 16, p. 7014-7022, 2017/08/07
  • Solution-based electrical doping of semiconducting polymer films over a limited depth, Vladimir A. Kolesov,Canek Fuentes-Hernandez,Wen-Fang Chou,Naoya Aizawa,Felipe A. Larrain,Ming Wang,Alberto Perrotta,Sangmoo Choi,Samuel Graham,Guillermo C. Bazan,Thuc-Quyen Nguyen,Seth R. Marder,Bernard Kippelen, Nature Materials, Springer Science and Business Media {LLC}, Vol. 16, No. 4, p. 474-480, 2017/04/05
  • Tunable Full-Color Electroluminescence from All-Organic Optical Upconversion Devices by Near-Infrared Sensing, Hiroki Tachibana,Naoya Aizawa,Yu Hidaka,Takuma Yasuda, ACS Photonics, American Chemical Society ({ACS}), Vol. 4, No. 2, p. 223-227, 2017/02/15
  • Versatile Molecular Functionalization for Inhibiting Concentration Quenching of Thermally Activated Delayed Fluorescence, Jiyoung Lee,Naoya Aizawa,Masaki Numata,Chihaya Adachi,Takuma Yasuda, Advanced Materials, Wiley-Blackwell, Vol. 29, No. 4, p. 1604856-1604856, 2016/11
  • Aggregation-induced delayed fluorescence from phenothiazine-containing donor–acceptor molecules for high-efficiency non-doped organic light-emitting diodes, Naoya Aizawa,Chao-Jen Tsou,In Seob Park,Takuma Yasuda, Polymer Journal, Springer Nature, Vol. 49, No. 1, p. 197-202, 2016/09
  • Design of Thermally Activated Delayed Fluorescence Materials for Organic Light-Emitting Diodes., AIZAWA, NAOYA,PARK, IN SEOB,YASUDA, TAKUMA, AAPPS Bulletin, Vol. 26, No. 2, 2016
  • Simultaneous cross-linking and p-doping of a polymeric semiconductor film by immersion into a phosphomolybdic acid solution for use in organic solar cells, Naoya Aizawa,Canek Fuentes-Hernandez,Vladimir A. Kolesov,Talha M. Khan,Junji Kido,Bernard Kippelen, Chemical Communications, Royal Society of Chemistry ({RSC}), Vol. 52, No. 19, p. 3825-3827, 2016
  • Instant Low-Temperature Cross-Linking of Poly(N-vinylcarbazole) for Solution-Processed Multilayer Blue Phosphorescent Organic Light-Emitting Devices, Naoya Aizawa,Yong-Jin Pu,Takayuki Chiba,So Kawata,Hisahiro Sasabe,Junji Kido, Advanced Materials, Wiley-Blackwell, Vol. 26, No. 45, p. 7543-7546, 2014/09
  • Solution-processed multilayer small-molecule light-emitting devices with high-efficiency white-light emission, Naoya Aizawa,Yong-Jin Pu,Michitake Watanabe,Takayuki Chiba,Kazushige Ideta,Naoki Toyota,Masahiro Igarashi,Yoshiyuki Suzuri,Hisahiro Sasabe,Junji Kido, Nature Communications, Springer Nature, Vol. 5, p. 5756-5756, 2014
  • Fabrication of Organic Light-Emitting Devices Comprising Stacked Light-Emitting Units by Solution-Based Processes, Yong-Jin Pu,Takayuki Chiba,Kazushige Ideta,Shogo Takahashi,Naoya Aizawa,Tatsuya Hikichi,Junji Kido, Advanced Materials, Wiley-Blackwell, Vol. 27, No. 8, p. 1327-1332, 2014
  • 2,6-Bis(arylsulfonyl)anilines as Fluorescent Scaffolds through Intramolecular Hydrogen Bonds: Solid-State Fluorescence Materials and Turn-On-Type Probes Based on Aggregation-Induced Emission, Teruo Beppu,So Kawata,Naoya Aizawa,Yong-Jin Pu,Yasuyuki Abe,Yoshihiro Ohba,Hiroshi Katagiri, ChemPlusChem, Wiley-Blackwell, Vol. 79, No. 4, p. 536-545, 2014/01
  • Thermally cross-linkable host materials for enabling solution-processed multilayer stacks in organic light-emitting devices, Naoya Aizawa,Yong-Jin Pu,Hisahiro Sasabe,Junji Kido, Organic Electronics, Elsevier {BV}, Vol. 14, No. 6, p. 1614-1620, 2013/06
  • Multilayered Organic Light-Emitting Devices by Solution-Process, Yong-Jin Pu,Takayuki Chiba,Naoya Aizawa,Hisahiro Sasabe,Junji Kido, Journal of Photopolymer Science and Technology, Technical Association of Photopolymers, Japan, Vol. 26, No. 3, p. 403-410, 2013
  • Solution-processable carbazole-based host materials for phosphorescent organic light-emitting devices, Naoya Aizawa,Yong-Jin Pu,Hisahiro Sasabe,Junji Kido, Organic Electronics, Elsevier {BV}, Vol. 13, No. 11, p. 2235-2242, 2012/11
  • fac-Tris(2-phenylpyridine)iridium (III)s, covalently surrounded by six bulky host dendrons, for a highly efficient solution-processed organic light emitting device, Yong-Jin Pu,Noriaki Iguchi,Naoya Aizawa,Hisahiro Sasabe,Ken-ichi Nakayama,Junji Kido, Organic Electronics, Elsevier {BV}, Vol. 12, No. 12, p. 2103-2110, 2011

Awards

  • 2021年度 基礎科学特別研究員 研究成果発表会 優秀賞, 相澤 直矢, 理化学研究所, 2022/01
  • 第35回研究奨励賞, 相澤 直矢, 公益財団法人 高柳健次郎財団, 2019/01
  • CEMS Rising Star Award, 2018 CEMS International Workshop on Supramolecular Chemistry & Functional Materials (CEMSupra): The 6th RIKEN-NCTU Symposium on Physical and Chemical Sciences, 相澤 直矢, 2018/12
  • 第29回安藤博記念学術奨励賞, 相澤 直矢, 一般財団法人 安藤研究所, 2016/06
  • 平成26年度校友会長賞, 相澤 直矢, 山形大学校友会, 2015/03