Elucidation of the mechanism of carrier injection and extraction at organic/electrode interfaces
Project/Area Number |
25288114
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Partial Multi-year Fund |
Section | 一般 |
Research Field |
Device related chemistry
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Research Institution | Chiba University |
Principal Investigator |
Ishii Hisao 千葉大学, 先進科学センター, 教授 (60232237)
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Co-Investigator(Kenkyū-buntansha) |
NOGUCHI YUTAKA 千葉大学, 先進科学センター, 助教 (20399538)
NAKAYAMA YASUO 東京理科大学, 理工学部, 講師 (30451751)
Rasika K. K. 千葉大学, 先進科学センター, 特任助教 (90631557)
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Project Period (FY) |
2013-04-01 – 2016-03-31
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Project Status |
Completed (Fiscal Year 2015)
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Budget Amount *help |
¥12,870,000 (Direct Cost: ¥9,900,000、Indirect Cost: ¥2,970,000)
Fiscal Year 2015: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2014: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2013: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
|
Keywords | 高感度光電子分光 / 表面・界面 / 有機エレクトロニクス / キャリア注入 / キャリア取り出し / 有機半導体 / 負イオン光電子分光 / 状態密度 / ギャップ準位 / 光電子収量分光 / 電子親和力 / 光電子分光 / 有機EL素子 / 有機太陽電池 / ギャップ内準位 / 高感度紫外光電子分光 / 界面電子構造 |
Outline of Final Research Achievements |
In order to understand and improve electronic devices using organic semiconductors, it is indispensable to answer basic questions about "carrier" to carry electricity; "How is carrier injected to organics?", "How is carrier extracted from organics?" etc. The mechanism of carrier injection and extraction has been so far discussed on the basis of the energy position of frontier molecular orbital of organic materials. In this study, the electronic structures of films and interfaces of several organic materials were investigated by our unique technique, high sensitivity photoelectron spectroscopy, and the mechanism was discussed on the basis of the observed density of states as well as frontier orbital positions.
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Report
(4 results)
Research Products
(97 results)
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[Journal Article] Influence of the direction of spontaneous orientation polarization on the charge injection properties of organic light-emitting diodes2013
Author(s)
Yutaka Noguchi, Hyunsoo Lim, Takashi Isoshima, Eisuke Ito, Masahiko Hara, Whee Won Chin, Jin Wook Han, Hiroumi Kinjo, Yusuke Ozawa, Yasuo Nakayama, and Hisao Ishii
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Journal Title
Applied Physics Letters
Volume: 102
Issue: 20
DOI
Related Report
Peer Reviewed
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[Journal Article] Utilizing Carbon Nanotube Electrodes to Improve Charge Injection and Transport in Bis(trifluoromethyl)-dimethyl-rubrene (fm-rubrene) Ambipolar Single Crystal Transistors2013
Author(s)
Wei Xie, Pradyumna L. Prabhumirashi, Yasuo Nakayama, Kathryn A. McGarry, Michael L. Geier, Yuki Uragami, Kazuhiko Mase, Christopher J. Douglas, Hisao Ishii, Mark C. Hersam, C. Daniel Frisbie
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Journal Title
ACS Nano
Volume: 7(11)
Issue: 11
Pages: 10245-10256
DOI
Related Report
Peer Reviewed
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[Presentation] Negative Ion Photoemission2015
Author(s)
Kinjo Hiroumi,Hyunsoo Lim, Yusuke Ozawa, Tomoya Sato, Shigehito Nakamitsu, Thanh Luan Nguyen, Yuki Uragami, Jyunki Yamazaki, Yasuo Nakayama, Hisao Ishii
Organizer
Eight International Conference on Molecular Electronics and Bioelectronics
Place of Presentation
Tokyo
Year and Date
2015-06-22
Related Report
Int'l Joint Research
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[Presentation] Relaxed Anion-State in OLED Films Studied2015
Author(s)
Hiroumi Kinjo, Tomoya Sato, Junki Yamazaki, Yutaka Noguchi, Yasuo Nakayama, Hisao Ishii
Organizer
Korean Physics Society Meeting 2015
Place of Presentation
Daejon, Korea
Year and Date
2015-04-23
Related Report
Int'l Joint Research / Invited
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[Presentation] Influence of the direction of spontaneous orientation polarization on the charge injection properties of organic light-emitting diodes
Author(s)
Yutaka Noguchi, Hyunsoo Lim, Takashi Isoshima, Eisuke Ito, Masahiko Hara, Whee Won Chin, Jin Wook Han, Hiroumi Kinjo, Yusuke Ozawa, Yasuo Nakayama, and Hisao Ishii
Organizer
12th European Conference on Molecular Electronics (ECME2013)
Place of Presentation
Imperial College, London、英国
Related Report
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