Material Scientific Approach Achieving Full Color Phosphorescent OLED
| Project/Area Number |
26288111
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Device related chemistry
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| Research Institution | Chiba University |
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Principal Investigator |
KARATSU TAKASHI 千葉大学, 工学(系)研究科(研究院), 教授 (70214575)
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| Research Collaborator |
SUZURI Yoshiyuki 山形大学, 工学部
YAGAI Shiki 千葉大学, 工学研究科
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥16,510,000 (Direct Cost: ¥12,700,000、Indirect Cost: ¥3,810,000)
Fiscal Year 2016: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2015: ¥7,020,000 (Direct Cost: ¥5,400,000、Indirect Cost: ¥1,620,000)
Fiscal Year 2014: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
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| Keywords | 光デバイス / 半導体デバイス / OLED / 有機EL / 発光材料 / 材料化学 / 有機半導体 |
|---|
| Outline of Final Research Achievements |
Iridium triscyclometalated complexes are one of the promising light emitting materials for organic light emitting diode (OLED). The complexes have advantage in efficiency since they emit phosphorescence. However, they have tasks to improve performance of blue emitting complexes such as chromaticity, efficiency, and durability for accomplishing RGB. This research revealed relation between emission and nonradiative deactivation. The energy level related emission depend on the structure of ligand, however, the energy level of very weakly depend by means of nonradiative deactivation on the structure. The mechanism of nonradiative deactivation was studied by meas of the structural isomerization.
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Report
(4 results)
Research Products
(68 results)
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[Journal Article] Supramolecular Polymerization of Supermacrocycles: Effect of Molecular Conformations on Kinetics and Morphology2017
Author(s)
Mitsuaki Yamauchi, Bimalendu Adhikari, Deepak D. Prabhu, Xu Lin, Takashi Karatsu, Tomonori Ohba, Nobutaka Shimizu, Hideaki Takagi, Rie Haruki, Shin-ichi Adachi, Takashi Kajitani, Takanori Fukushima, Shiki Yagai
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Journal Title
Chemistry A European Journal
Volume: 未決定
Issue: 22
Pages: 5270-5280
DOI
Related Report
Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
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[Journal Article] High-fidelity self-assembly pathways for hydrogen-bonding molecular semiconductors2017
Author(s)
X. Lin, M. Suzuki, M. Gushiken, M. Yamauchi, T. Karatsu, T. Kizaki, Y. Tani, K. Nakayama, M. Suzuki, H. Yamada, T. Kajitani, T. Fukushima, Y. Kikkawa, S. Yagai
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Journal Title
Scientific Reports
Volume: 7
Issue: 1
Pages: 43098-43098
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
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[Journal Article] Nature Communications2014
Author(s)
Shiki Yagai, Satoru Okamura, Yujiro Nakano, Mitsuaki Yamauchi, Keiki Kishikawa, Takashi Karatsu, Akihide Kitamura, Akira Ueno, Daiki Kuzuhara, Hiroko Yamada, Tomonori Seki, Hajime Ito
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Journal Title
Design Amphiphilic Dipolar Systems for Stimuli-Responsive Luminescent Materials Using Metastable States
Volume: 5
Issue: 1
Pages: 4013-4013
DOI
Related Report
Peer Reviewed / Acknowledgement Compliant
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[Journal Article] Supramolecular Engineering of Oligothiophene Nanorods without Insulators: Hierarchical Association of Rosettes and Photovoltaic Properties2014
Author(s)
S. Yagai, M. Suzuki, X. Lin, M. Gushiken, T. Noguchi, T. Karatsu, A. Kitamura, A. Saeki, S. Seki, Y. Kikkawa, Y. Tani, K. Nakayama
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Journal Title
Chem. Eur. J
Volume: 20
Issue: 49
Pages: 1-11
DOI
Related Report
Peer Reviewed / Acknowledgement Compliant
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