- Address
- 305-0044 茨城県つくば市並木1-1 [アクセス]
[論文] | [書籍] | [会議録] | [口頭発表] | [その他の文献] | [公開特許出願]
論文 TSV
2024
- Yu Yamashita, Shinya Kohno, Elena Longhi, Samik Jhulki, Shohei Kumagai, Stephen Barlow, Seth R. Marder, Jun Takeya, Shun Watanabe. N-type molecular doping of a semicrystalline conjugated polymer through cation exchange. Communications Materials. 5 [1] (2024) 79 10.1038/s43246-024-00507-2 Open Access
- Yu Yamashita, Harumi Hayakawa, Pushi Wang, Tatsuyuki Makita, Shohei Kumagai, Shun Watanabe, Jun Takeya. Ion sensors based on organic semiconductors acting as quasi-reference electrodes. Proceedings of the National Academy of Sciences. 121 [40] (2024) e2405933121 10.1073/pnas.2405933121 Open Access
- Zhenyun Xiao, Masaki Ishii, Jun Takeya, Katsuhiko Ariga, Yu Yamashita. Chemical doping of a semicrystalline polymeric semiconductor realizing high stability and work function. Journal of Materials Chemistry C. 12 [33] (2024) 12739-12746 10.1039/d4tc01406e
- Tadanori Kurosawa, Yu Yamashita, Yuki Kobayashi, Craig P. Yu, Shohei Kumagai, Tsubasa Mikie, Itaru Osaka, Shun Watanabe, Jun Takeya, Toshihiro Okamoto. Employment of Alkoxy Sidechains in Semicrystalline Semiconducting Polymers for Ambient-Stable p-Doped Conjugated Polymers. Macromolecules. 57 [1] (2024) 328-338 10.1021/acs.macromol.3c00211
2023
- Masaki Ishii, Yu Yamashita, Shun Watanabe, Katsuhiko Ariga, Jun Takeya. Doping of molecular semiconductors through proton-coupled electron transfer. Nature. 622 [7982] (2023) 285-291 10.1038/s41586-023-06504-8
- Taehyun Won, Shohei Kumagai, Naotaka Kasuya, Yu Yamashita, Shun Watanabe, Toshihiro Okamoto, Jun Takeya. Individual and synergetic charge transport properties at the solid and electrolyte interfaces of a single ultrathin single crystal of organic semiconductors. Physical Chemistry Chemical Physics. 25 [20] (2023) 14496-14501 10.1039/d3cp00782k
2022
- Akchheta Karki, Yu Yamashita, Shangzhi Chen, Tadanori Kurosawa, Jun Takeya, Vallery Stanishev, Vanya Darakchieva, Shun Watanabe, Magnus P. Jonsson. Doped semiconducting polymer nanoantennas for tunable organic plasmonics. Communications Materials. 3 [1] (2022) 48 10.1038/s43246-022-00268-w Open Access
- Kazuyoshi Watanabe, Naoki Miura, Hiroaki Taguchi, Takeshi Komatsu, Hideyuki Nosaka, Toshihiro Okamoto, Yu Yamashita, Shun Watanabe, Jun Takeya. Improvement of contact resistance at carbon electrode/organic semiconductor interfaces through chemical doping. Applied Physics Express. 15 [10] (2022) 101005 10.35848/1882-0786/ac92c0 Open Access
- Craig P. Yu, Shohei Kumagai, Tomokatsu Kushida, Masato Mitani, Chikahiko Mitsui, Hiroyuki Ishii, Jun Takeya, Toshihiro Okamoto. Mixed-Orbital Charge Transport in N-Shaped Benzene- and Pyrazine-Fused Organic Semiconductors. Journal of the American Chemical Society. 144 [25] (2022) 11159-11167 10.1021/jacs.2c01357 Open Access
- Shohei Kumagai, Takeru Koguma, Tatsuro Annaka, Chizuru Sawabe, Yukio Tani, Hiroki Sugiura, Tetsuya Watanabe, Daisuke Hashizume, Jun Takeya, Toshihiro Okamoto. Regioselective Functionalization of Nitrogen-Embedded Perylene Diimides for High-Performance Organic Electron-Transporting Materials. Bulletin of the Chemical Society of Japan. 95 [6] (2022) 953-960 10.1246/bcsj.20220051
- Masato Ito, Yu Yamashita, Taizo Mori, Masaaki Chiba, Takayuki Futae, Jun Takeya, Shun Watanabe, Katsuhiko Ariga. Hyper 100 °C Langmuir–Blodgett (Langmuir–Schaefer) Technique for Organized Ultrathin Film of Polymeric Semiconductors. Langmuir. 38 [17] (2022) 5237-5247 10.1021/acs.langmuir.1c02596
- Shohei Kumagai, Hiroyuki Ishii, Go Watanabe, Craig P. Yu, Shun Watanabe, Jun Takeya, Toshihiro Okamoto. Nitrogen-Containing Perylene Diimides: Molecular Design, Robust Aggregated Structures, and Advances in n-Type Organic Semiconductors. Accounts of Chemical Research. 55 [5] (2022) 660-672 10.1021/acs.accounts.1c00548 Open Access
- Shohei Kumagai, Tatsuyuki Makita, Shun Watanabe, Jun Takeya. Scalable printing of two-dimensional single crystals of organic semiconductors towards high-end device applications. Applied Physics Express. 15 [3] (2022) 030101 10.35848/1882-0786/ac435a
- Y. Han, T. Miyamoto, T. Otaki, N. Takamura, N. Kida, N. Osakabe, J. Tsurumi, S. Watanabe, T. Okamoto, J. Takeya, H. Okamoto. Scattering mechanism of hole carriers in organic molecular semiconductors deduced from analyses of terahertz absorption spectra using Drude–Anderson model. Applied Physics Letters. 120 [5] (2022) 053302 10.1063/5.0073133
2021
- Craig P. Yu, Naoya Kojima, Shohei Kumagai, Tadanori Kurosawa, Hiroyuki Ishii, Go Watanabe, Jun Takeya, Toshihiro Okamoto. Approaching isotropic charge transport of n-type organic semiconductors with bulky substituents. Communications Chemistry. 4 [1] (2021) 155 10.1038/s42004-021-00583-2 Open Access
- Yu Yamashita, Junto Tsurumi, Tadanori Kurosawa, Kan Ueji, Yukina Tsuneda, Shinya Kohno, Hideto Kempe, Shohei Kumagai, Toshihiro Okamoto, Jun Takeya, Shun Watanabe. Supramolecular cocrystals built through redox-triggered ion intercalation in π-conjugated polymers. Communications Materials. 2 [1] (2021) 45 10.1038/s43246-021-00148-9 Open Access
- Tadanori Kurosawa, Toshihiro Okamoto, Yu Yamashita, Shohei Kumagai, Shun Watanabe, Jun Takeya. Strong and Atmospherically Stable Dicationic Oxidative Dopant. Advanced Science. 8 [24] (2021) 2101998 10.1002/advs.202101998 Open Access
- Hiroyuki Ishii, Naotaka Kasuya, Nobuhiko Kobayashi, Kenji Hirose, Shohei Kumagai, Shun Watanabe, Jun Takeya. Gate induced modulation of electronic states in monolayer organic field-effect transistor. Applied Physics Letters. 119 [22] (2021) 223301 10.1063/5.0058666
- Naotaka Kasuya, Junto Tsurumi, Toshihiro Okamoto, Shun Watanabe, Jun Takeya. Two-dimensional hole gas in organic semiconductors. Nature Materials. 20 [10] (2021) 1401-1406 10.1038/s41563-021-01074-4
- Masato Ito, Yu Yamashita, Taizo Mori, Katsuhiko Ariga, Jun Takeya, Shun Watanabe. Band mobility exceeding 10 cm2 V−1 s−1 assessed by field-effect and chemical double doping in semicrystalline polymeric semiconductors. Applied Physics Letters. 119 [1] (2021) 013302 10.1063/5.0052279
- Tatsuyuki Makita, Yoma Ninomiya, Shohei Kumagai, Toshihiro Okamoto, Mari Sasaki, Shun Watanabe, Jun Takeya. Nano‐Ground Glass as a Superhydrophilic Template for Printing High‐Performance Organic Single‐Crystal Thin Films. Advanced Materials Interfaces. 8 [10] (2021) 2100033 10.1002/admi.202100033
- Yu Yamashita, Samik Jhulki, Dinesh Bhardwaj, Elena Longhi, Shohei Kumagai, Shun Watanabe, Stephen Barlow, Seth R. Marder, Jun Takeya. Highly air-stable, n-doped conjugated polymers achieved by dimeric organometallic dopants. Journal of Materials Chemistry C. 9 [12] (2021) 4105-4111 10.1039/d0tc05931e
- Jun Takeya. Chrysenodithiophene-Based Conjugated Polymer: An Elongated Fused π-Electronic Backbone with a Unique Orbital Structure Toward Efficient Intermolecular Carrier Transport. Macromolecules. 54 [5] (2021) 2113-2123 10.1021/acs.macromol.0c00984
- Jun Takeya. Role of Perfluorophenyl Group in the Side Chain of Small-Molecule n-Type Organic Semiconductors in Stress Stability of Single-Crystal Transistors. The Journal of Physical Chemistry Letters. 12 [8] (2021) 2095-2101 10.1021/acs.jpclett.0c03012
- Shun Watanabe, Ryohei Hakamatani, Keita Yaegashi, Yu Yamashita, Han Nozawa, Mari Sasaki, Shohei Kumagai, Toshihiro Okamoto, Cindy G. Tang, Lay‐Lay Chua, Peter K. H. Ho, Jun Takeya. Surface Doping of Organic Single‐Crystal Semiconductors to Produce Strain‐Sensitive Conductive Nanosheets. Advanced Science. 8 [3] (2021) 2002065 10.1002/advs.202002065 Open Access
2020
- Masato Ito, Yu Yamashita, Yukina Tsuneda, Taizo Mori, Jun Takeya, Shun Watanabe, Katsuhiko Ariga. 100 °C-Langmuir–Blodgett Method for Fabricating Highly Oriented, Ultrathin Films of Polymeric Semiconductors. ACS Applied Materials & Interfaces. 12 [50] (2020) 56522-56529 10.1021/acsami.0c18349
- Shinya Kohno, Yu Yamashita, Naotaka Kasuya, Tsubasa Mikie, Itaru Osaka, Kazuo Takimiya, Jun Takeya, Shun Watanabe. Controlled steric selectivity in molecular doping towards closest-packed supramolecular conductors. Communications Materials. 1 [1] (2020) 79 10.1038/s43246-020-00081-3 Open Access
- Shohei Kumagai, Shun Watanabe, Hiroyuki Ishii, Nobuaki Isahaya, Akifumi Yamamura, Takahiro Wakimoto, Hiroyasu Sato, Akihito Yamano, Toshihiro Okamoto, Jun Takeya. Coherent Electron Transport in Air‐Stable, Printed Single‐Crystal Organic Semiconductor and Application to Megahertz Transistors. Advanced Materials. 32 [50] (2020) 2003245 10.1002/adma.202003245
- Takashi Otaki, Tsubasa Terashige, Junto Tsurumi, Tatsuya Miyamoto, Noriaki Kida, Shun Watanabe, Toshihiro Okamoto, Jun Takeya, Hiroshi Okamoto. Evaluations of nonlocal electron-phonon couplings in tetracene, rubrene, and C10−DNBDT−NW based on density functional theory. Physical Review B. 102 [24] (2020) 245201 10.1103/physrevb.102.245201
- Hiroyuki Ishii, Shigeaki Obata, Naoyuki Niitsu, Shun Watanabe, Hitoshi Goto, Kenji Hirose, Nobuhiko Kobayashi, Toshihiro Okamoto, Jun Takeya. Charge mobility calculation of organic semiconductors without use of experimental single-crystal data. Scientific Reports. 10 [1] (2020) 2524 10.1038/s41598-020-59238-2 Open Access
- Taiki Sawada, Akifumi Yamamura, Mari Sasaki, Kayo Takahira, Toshihiro Okamoto, Shun Watanabe, Jun Takeya. Correlation between the static and dynamic responses of organic single-crystal field-effect transistors. Nature Communications. 11 [1] (2020) 4839 10.1038/s41467-020-18616-0 Open Access
- Akifumi Yamamura, Hiromasa Fujii, Hirohito Ogasawara, Dennis Nordlund, Osamu Takahashi, Yuutaro Kishi, Hiroyuki Ishii, Nobuhiko Kobayashi, Naoyuki Niitsu, Balthasar Blülle, Toshihiro Okamoto, Yusuke Wakabayashi, Shun Watanabe, Jun Takeya. Sub-molecular structural relaxation at a physisorbed interface with monolayer organic single-crystal semiconductors. Communications Physics. 3 [1] (2020) 20 10.1038/s42005-020-0285-7 Open Access
- Tatsuyuki Makita, Akifumi Yamamura, Junto Tsurumi, Shohei Kumagai, Tadanori Kurosawa, Toshihiro Okamoto, Mari Sasaki, Shun Watanabe, Jun Takeya. Damage-free Metal Electrode Transfer to Monolayer Organic Single Crystalline Thin Films. Scientific Reports. 10 [1] (2020) 4702 10.1038/s41598-020-61536-8 Open Access
- Shohei Kumagai, Hiroyuki Ishii, Go Watanabe, Tatsuro Annaka, Eiji Fukuzaki, Yukio Tani, Hiroki Sugiura, Tetsuya Watanabe, Tadanori Kurosawa, Jun Takeya, Toshihiro Okamoto. Cooperative Aggregations of Nitrogen-Containing Perylene Diimides Driven by Rigid and Flexible Functional Groups. Chemistry of Materials. 32 [21] (2020) 9115-9125 10.1021/acs.chemmater.0c01888
- Chizuru Sawabe, Shohei Kumagai, Masato Mitani, Hiroyuki Ishii, Masakazu Yamagishi, Hajime Sagayama, Reiji Kumai, Hiroyasu Sato, Jun Takeya, Toshihiro Okamoto. Band-like transporting and thermally durable V-shaped organic semiconductors with a phenyl key block. Journal of Materials Chemistry C. 8 [40] (2020) 14172-14179 10.1039/d0tc03318a
- Toshihiro Okamoto, Masato Mitani, Craig P. Yu, Chikahiko Mitsui, Masakazu Yamagishi, Hiroyuki Ishii, Go Watanabe, Shohei Kumagai, Daisuke Hashizume, Shota Tanaka, Masafumi Yano, Tomokatsu Kushida, Hiroyasu Sato, Kunihisa Sugimoto, Takashi Kato, Jun Takeya. Alkyl-Substituted Selenium-Bridged V-Shaped Organic Semiconductors Exhibiting High Hole Mobility and Unusual Aggregation Behavior. Journal of the American Chemical Society. 142 [35] (2020) 14974-14984 10.1021/jacs.0c05522
- Tatsuyuki Makita, Ryohei Nakamura, Mari Sasaki, Shohei Kumagai, Toshihiro Okamoto, Shun Watanabe, Jun Takeya. Electroless‐Plated Gold Contacts for High‐Performance, Low Contact Resistance Organic Thin Film Transistors. Advanced Functional Materials. 30 [39] (2020) 2003977 10.1002/adfm.202003977
- Craig P. Yu, Masato Mitani, Hiroyuki Ishii, Masakazu Yamagishi, Hiroki Kitamura, Masafumi Yano, Jun Takeya, Toshihiro Okamoto. Effect of Electronically Distinct Aromatic Substituents on the Molecular Assembly and Hole Transport of V-Shaped Organic Semiconductors. The Journal of Physical Chemistry C. 124 [32] (2020) 17503-17511 10.1021/acs.jpcc.0c04088
- Taiki Sawada, Tatsuyuki Makita, Akifumi Yamamura, Mari Sasaki, Yasunari Yoshimura, Teruaki Hayakawa, Toshihiro Okamoto, Shun Watanabe, Shohei Kumagai, Jun Takeya. Low-voltage complementary inverters using solution-processed, high-mobility organic single-crystal transistors fabricated by polymer-blend printing. Applied Physics Letters. 117 [3] (2020) 033301 10.1063/5.0006651
- Toshihiro Okamoto, Craig P. Yu, Chikahiko Mitsui, Masakazu Yamagishi, Hiroyuki Ishii, Jun Takeya. Bent-Shaped p-Type Small-Molecule Organic Semiconductors: A Molecular Design Strategy for Next-Generation Practical Applications. Journal of the American Chemical Society. 142 [20] (2020) 9083-9096 10.1021/jacs.9b10450
- Toshihiro Okamoto, Shohei Kumagai, Eiji Fukuzaki, Hiroyuki Ishii, Go Watanabe, Naoyuki Niitsu, Tatsuro Annaka, Masakazu Yamagishi, Yukio Tani, Hiroki Sugiura, Tetsuya Watanabe, Shun Watanabe, Jun Takeya. Robust, high-performance n-type organic semiconductors. Science Advances. 6 [18] (2020) 10.1126/sciadv.aaz0632 Open Access
- Akifumi Yamamura, Takaaki Sakon, Kayo Takahira, Takahiro Wakimoto, Mari Sasaki, Toshihiro Okamoto, Shun Watanabe, Jun Takeya. High‐Speed Organic Single‐Crystal Transistor Responding to Very High Frequency Band. Advanced Functional Materials. 30 [11] (2020) 1909501 10.1002/adfm.201909501
- Tatsuyuki Makita, Shohei Kumagai, Akihito Kumamoto, Masato Mitani, Junto Tsurumi, Ryohei Hakamatani, Mari Sasaki, Toshihiro Okamoto, Yuichi Ikuhara, Shun Watanabe, Jun Takeya. High-performance, semiconducting membrane composed of ultrathin, single-crystal organic semiconductors. Proceedings of the National Academy of Sciences. 117 [1] (2020) 80-85 10.1073/pnas.1909932116 Open Access
- Hyun Ho Choi, Hee Taek Yi, Junto Tsurumi, Jae Joon Kim, Alejandro L. Briseno, Shun Watanabe, Jun Takeya, Kilwon Cho, Vitaly Podzorov. A Large Anisotropic Enhancement of the Charge Carrier Mobility of Flexible Organic Transistors with Strain: A Hall Effect and Raman Study. Advanced Science. 7 [1] (2020) 1901824 10.1002/advs.201901824 Open Access
2019
- Katsuhiko Ariga, Tatsuyuki Makita, Masato Ito, Taizo Mori, Shun Watanabe, Jun Takeya. Review of advanced sensor devices employing nanoarchitectonics concepts. Beilstein Journal of Nanotechnology. 10 (2019) 2014-2030 10.3762/bjnano.10.198 Open Access
- Katsuhiko Ariga, Masato Ito, Taizo Mori, Shun Watanabe, Jun Takeya. Atom/molecular nanoarchitectonics for devices and related applications. Nano Today. 28 (2019) 100762 10.1016/j.nantod.2019.07.001
- Katsuhiko Ariga, Joshua A. Jackman, Nam‐Joon Cho, Shan‐hui Hsu, Lok Kumar Shrestha, Taizo Mori, Jun Takeya. Nanoarchitectonic‐Based Material Platforms for Environmental and Bioprocessing Applications. The Chemical Record. 19 [9] (2019) 1891-1912 10.1002/tcr.201800103
- Yu Yamashita, Junto Tsurumi, Masahiro Ohno, Ryo Fujimoto, Shohei Kumagai, Tadanori Kurosawa, Toshihiro Okamoto, Jun Takeya, Shun Watanabe. Efficient molecular doping of polymeric semiconductors driven by anion exchange. Nature. 572 [7771] (2019) 634-638 10.1038/s41586-019-1504-9
2018
- Katsuhiko Ariga, Shun Watanabe, Taizo Mori, Jun Takeya. Soft 2D nanoarchitectonics. NPG Asia Materials. 10 [4] (2018) 90-106 10.1038/s41427-018-0022-9 Open Access
- Akifumi Yamamura, Shun Watanabe, Mayumi Uno, Masato Mitani, Chikahiko Mitsui, Junto Tsurumi, Nobuaki Isahaya, Yusuke Kanaoka, Toshihiro Okamoto, Jun Takeya. Wafer-scale, layer-controlled organic single crystals for high-speed circuit operation. Science Advances. 4 [2] (2018) eaao5758 10.1126/sciadv.aao5758 Open Access
2017
- Xuying Liu, Chuan Liu, Kenji Sakamoto, Takeshi Yasuda, Pan Xiong, Lijuan Liang, Tengzhou Yang, Masayuki Kanehara, Jun Takeya, Takeo Minari. Homogeneous dewetting on large-scale microdroplet arrays for solution-processed electronics. NPG Asia Materials. 9 [7] (2017) e409 10.1038/am.2017.123 Open Access
書籍 TSV
会議録 TSV
口頭発表 TSV
2024
- YAMASHITA, Yu, ISHII, Masaki, 刑部 永祥, 大橋 拓真, Stephen Barlow, Seth R. Marder, Shun Watanabe, ARIGA, Katsuhiko, TAKEYA, Junichi. Stable and scalable chemical doping for advanced organic semiconductor devices. 26th International Conference on Science and Technology of Synthetic Electronic Materials. 2024 招待講演
2023
- 山下 侑, 河野 真弥, 熊谷 翔平, Stephen Barlow, Seth R. Marder, 竹谷 純一, 渡邉 峻一郎. カチオン交換を用いたnドープ高分子半導体の結晶性・大気安定性制御. 第84回応用物理学会秋季学術講演会. 2023
2022
- 山下 侑, 宇佐美由久, 野沢汎, 田嶋陽子, 渡邉峻一郎, 竹谷 純一. 化学ドーピングされた有機半導体単結晶を用いた 高精度な歪みセンサの開発. 2022年 第83回応用物理学会秋季学術講演会. 2022
- 山下 侑, 宇佐美由久, 田嶋陽子, 渡邉峻一郎, 竹谷 純一. 表面ドーピングされた有機半導体単結晶による微小歪みセンシング. 日本物理学会2022年秋季大会. 2022
2021
- YAMASHITA, Yu, TSURUMI, Junto, Tadanori Kurosawa, UEJI, Kan, Shinya Kohno, Shohei Kumagai, Toshihiro Okamoto, TAKEYA, Junichi, Shun Watanabe. Supramolecular cocrystals built through redox-triggered ion intercalation in lamellae of π-conjugated polymers. Material Research Meeting 2021. 2021
- 山下 侑, 鶴見 淳人, 河野真弥, 黒澤忠法, 岡本敏宏, 渡邉峻一郎, 竹谷 純一. 結晶性超分子構造を有する導電性高分子における高仕事関数と大気安定性の実現. 2021年 第68回応用物理学会春季学術講演会. 2021
その他の文献 TSV
2022
- 伊藤雅人, 山下 侑, 竹谷 純一, 渡邉峻一郎, 有賀 克彦, 二江隆之. 液面を用いた超高温・大面積ナノ薄膜製造技術. コンバーテック. 592 [50] (2022) 42-46
2021
- 山下 侑, 竹谷 純一, 渡邉俊一郎. 縮退電子系を有する結晶性高分子半導体―分子とイオンと空隙でつくる金属プラスチック―. 固体物理. (2021) 33-48
2020
- 山下 侑, 竹谷 純一, 渡邉 峻一郎. 分子とイオンと隙間でつくる金属高分子. Oyo Buturi. (2020) 594-597 10.11470/oubutsu.89.10_594