Mitsuharu Suzuki, Masashi Miura, Enzo Ohkubo, Haru Karimata, Naoya Aizawa, Hiroko Yamada, and Ken-ichi Nakayama, Possibilities and Limitations in Monomer Combinations for Ternary Two-Dimensional Covalent Organic Frameworks, J. Am. Chem. Soc. in press (2023).
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, Delayed fluorescence from inverted singlet and triplet excited states, Nature 609, 502–506 (2022).
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, Dual-acceptor thermally activated delayed fluorescence emitters: Achieving high efficiency and long lifetime in orange-red OLEDs, Chem. Eng. J. 434, 134728 (2022).
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, Electron spin resonance resolves intermediate triplet states in delayed fluorescence, Nat. Commun. 12, 4532 (2021).
Kazushi Enomoto, Risa Oizumi, Naoya Aizawa, Takayuki Chiba, Yong-Jin Pu, Energy Transfer from Blue-Emitting CsPbBr3 Perovskite Nanocrystals to Green-Emitting CsPbBr3 Perovskite Nanocrystals, J. Phys. Chem. C 125, 19368–19373 (2021).
Tsutomu Ishi‐i, Honoka Tanaka, Rihoko Kichise, Christopher Davin, Takaaki Matsuda, Naoya Aizawa, In Seob Park, Takuma Yasuda, Taisuke Matsumoto, Regulation of Multicolor Fluorescence Changes Found in Donor‐acceptor‐type Mechanochromic Fluorescent Dyes, Chem. Asian J. 16, 2136–2145 (2021).
Naoya Aizawa, Akinobu Matsumoto, Takuma Yasuda, Thermal equilibration between singlet and triplet excited states in organic fluorophore for submicrosecond delayed fluorescence, Sci. Adv. 7, 5769 (2021).
Naoya Aizawa, Yu Harabuchi, Satoshi Maeda, Yong-Jin Pu, Kinetic prediction of reverse intersystem crossing in organic donor–acceptor molecules, Nat. Commun. 11, 3909 (2020).
S. Inagaki, M. Nakamura, N. Aizawa, L. C. Peng, X. Z. Yu, Y. Tokura, M. Kawasaki, Molecular beam epitaxy of high-quality CuI thin films on a low temperature grown buffer layer, Appl. Phys. Lett. 116, 192105 (2020).
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, Selenium Substitution Enhances Reverse Intersystem Crossing in a Delayed Fluorescence Emitter, J. Phys. Chem. C 124, 6364–6370 (2020).
Hironobu Hayashi, Yuki Kato, Akinobu Matsumoto, So Shikita, Naoya Aizawa, Mitsuharu Suzuki, Naoki Aratani, Takuma Yasuda, Hiroko Yamada, Synthesis of Anthracene Derivatives with Azaacene‐Containing Iptycene Wings and the Utilization as a Dopant for Solution‐Processed Organic Light‐Emitting Diodes, Chem. Eur. J. 25, 15565–15571 (2019).
Hisahiro Sasabe, Yuki Kato, Yuichiro Watanabe, Tatsuya Ohsawa, Naoya Aizawa, Wataru Fujiwara, Yong‐Jin Pu, Hiroshi Katagiri, Junji Kido, Room‐Temperature Phosphorescence from a Series of 3‐Pyridylcarbazole Derivatives, Chem. Eur. J. 25, 16294–16300 (2019).
Tsutomu Ishi-i, Honoka Tanaka, Ryusuke Youfu, Naoya Aizawa, Takuma Yasuda, Shin-ichiro Kato, Taisuke Matsumoto, Mechanochromic fluorescence based on a combination of acceptor and bulky donor moieties: tuning emission color and regulating emission change direction, New J. Chem. 43, 4998–5010 (2019).
Yong-Jin Pu, Yuki Koyama, Daisuke Otsuki, Minjun Kim, Hiroya Chubachi, Yuki Seino, Kazushi Enomoto, Naoya Aizawa, Exciplex emissions derived from exceptionally long-distance donor and acceptor molecules, Chem. Sci. 10, 9203–9208 (2019).
Seiichi Furukawa, Hideaki Komiyama, Naoya Aizawa, Takuma Yasuda, High-Crystallinity π-Conjugated Small Molecules Based on Thienylene-Vinylene-Thienylene: Critical Role of Self-Organization in Photovoltaic, Charge-Transport, and Morphological Properties, ACS Appl. Mater. Interfaces, 10, 42756–42765 (2018).
Kohei Isayama, Naoya Aizawa, Jun Yun Kim, Takuma Yasuda, Modulating Photo- and Electroluminescence in a Stimuli-Responsive π-Conjugated Donor-Acceptor Molecular System, Angew. Chem. Int. Ed. 57, 11982–11986 (2018).
In Seob Park, Kyohei Matsuo, Naoya Aizawa, Takuma Yasuda, High-Performance Dibenzoheteraborin-Based Thermally Activated Delayed Fluorescence Emitters: Molecular Architectonics for Concurrently Achieving Narrowband Emission and Efficient Triplet-Singlet Spin Conversion, Adv. Funct. Mater. 28, 1802031–1802031 (2018).
Jiyoung Lee, Naoya Aizawa, Takuma Yasuda, Molecular engineering of phosphacycle-based thermally activated delayed fluorescence materials for deep-blue OLEDs, J. Mater. Chem. C 6, 3578– 3583 (2018).
Jiyoung Lee, Naoya Aizawa, Takuma Yasuda, Isobenzofuranone- and Chromone-Based Blue Delayed Fluorescence Emitters with Low Efficiency Roll-Off in Organic Light-Emitting Diodes, Chem. Mater. 29, 8012–8020 (2017).
Naoya Aizawa, So Shikita, Takuma Yasuda, Spin-Dependent Exciton Funneling to a Dendritic Fluorophore Mediated by a Thermally Activated Delayed Fluorescence Material as an Exciton-Harvesting Host, Chem. Mater. 29, 7014–7022 (2017).
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, Solution-based electrical doping of semiconducting polymer films over a limited depth, Nat. Mater. 16, 474–480 (2017).
Hiroki Tachibana, Naoya Aizawa, Yu Hidaka, Takuma Yasuda, Tunable Full-Color Electroluminescence from All-Organic Optical Upconversion Devices by Near-Infrared Sensing, ACS Photonics, 4, 223–227 (2017).
Jiyoung Lee, Naoya Aizawa, Masaki Numata, Chihaya Adachi, Takuma Yasuda, Versatile Molecular Functionalization for Inhibiting Concentration Quenching of Thermally Activated Delayed Fluorescence, Adv. Mater. 29, 1604856–1604856 (2016).
Naoya Aizawa, Chao-Jen Tsou, In Seob Park, Takuma Yasuda, Aggregation-induced delayed fluorescence from phenothiazine-containing donor–acceptor molecules for high-efficiency non-doped organic light-emitting diodes, Polymer J. 49, 197–202 (2016).
Naoya Aizawa, In Seob Park, Takuma Yasuda, Design of Thermally Activated Delayed Fluorescence Materials for Organic Light-Emitting Diodes, AAPPS Bull. 26, 9–19 (2016).
Naoya Aizawa, Canek Fuentes-Hernandez, Vladimir A. Kolesov, Talha M. Khan, Junji Kido, Bernard Kippelen, Simultaneous cross-linking and p-doping of a polymeric semiconductor film by immersion into a phosphomolybdic acid solution for use in organic solar cells, Chem. Commun. 52, 3825–3827 (2016).
Yong-Jin Pu, Takayuki Chiba, Kazushige Ideta, Shogo Takahashi, Naoya Aizawa, Tatsuya Hikichi, Junji Kido, Fabrication of Organic Light-Emitting Devices Comprising Stacked Light-Emitting Units by Solution-Based Processes, Adv. Mater. 27, 1327–1332 (2014).
Naoya Aizawa, Yong-Jin Pu, Michitake Watanabe, Takayuki Chiba, Kazushige Ideta, Naoki Toyota, Masahiro Igarashi, Yoshiyuki Suzuri, Hisahiro Sasabe, Junji Kido, Solution-processed multilayer small-molecule light-emitting devices with high-efficiency white-light emission, Nat. Commun. 5, 5756 (2014).
Naoya Aizawa, Yong-Jin Pu, Takayuki Chiba, So Kawata, Hisahiro Sasabe, Junji Kido, Instant Low-Temperature Cross-Linking of Poly(N-vinylcarbazole) for Solution-Processed Multilayer Blue Phosphorescent Organic Light-Emitting Devices, Adv. Mater. 26, 7543–7546 (2014).
Teruo Beppu, So Kawata, Naoya Aizawa, Yong-Jin Pu, Yasuyuki Abe, Yoshihiro Ohba, Hiroshi Katagiri, 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, ChemPlusChem 79, 536–545 (2014).
Naoya Aizawa, Yong-Jin Pu, Hisahiro Sasabe, Junji Kido, Thermally cross-linkable host materials for enabling solution-processed multilayer stacks in organic light-emitting devices, Org. Electron. 14, 1614–1620 (2013).
Yong-Jin Pu, Takayuki Chiba, Naoya Aizawa, Hisahiro Sasabe, Junji Kido, Multilayered Organic Light-Emitting Devices by Solution-Process, J. Photopolymer Sci. Tec. 26, 403–410 (2013).
Naoya Aizawa, Yong-Jin Pu, Hisahiro Sasabe, Junji Kido, Solution-processable carbazole-based host materials for phosphorescent organic light-emitting devices, Org. Electron. 13, 2235–2242 (2012).
Yong-Jin Pu, Noriaki Iguchi, Naoya Aizawa, Hisahiro Sasabe, Ken-ichi Nakayama, Junji Kido, fac-Tris(2-phenylpyridine)iridium(III)s, covalently surrounded by six bulky host dendrons, for a highly efficient solution-processed organic light emitting device, Org. Electron. 12, 2103–2110 (2011).