2011 Fiscal Year Final Research Report
Multi-Functionalization of Photo-Excited High-Spin.-Radicals and Development Toward Molecular Devices
| Project/Area Number |
21350081
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Functional materials chemistry
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| Research Institution | Osaka City University |
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Principal Investigator |
TEKI Yishio 大阪市立大学, 大学院・理学研究科, 教授 (00180068)
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| Co-Investigator(Kenkyū-buntansha) |
HIROTSU Masakazu 大阪市立大学, 大学院・理学研究科, 准教授 (30312903)
KANEMOTO Katsuichi 大阪市立大学, 大学院・理学研究科, 准教授 (40336756)
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| Project Period (FY) |
2009 – 2011
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| Keywords | 光物性 |
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| Research Abstract |
We synthesized a series of stable radicals with electron or energy acceptor. Their dynamics toward the spin aligned excited state(photo-excited high-spin state) generated after the photo-excitation were clarified by molecular spectroscopy and simulation based on the quantum mechanics. The importance of the quantum mixed state which is generated during the pathway toward the high-spin state, was revealed. We succeeded to obtain the crystal of the metal complex with the radicals which show the photo-excited high-spin states and the photo-induced spin transition were observed. In addition, we fabricated the electro-luminescent devices using the radicals and very weak electro-luminescence was detected, showing the thin film generation of their radicals.
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[Journal Article] Ultrafast Photo-Excitation Dynamics ofπConjugated Bodipy-Anthracene-Radical Triad system : Electron Transfer, Energy Transfer and Charge-Separated Ion-Pair State Toward a Uniquely Electron-Polarized Photo-Excited Quartet State2012
Author(s)
K. Kanemoto, A. Fukunaga, M. Yasui, D. Kosumi, H. Hashimoto, H. Tamekuni, Y. Kawahara, Y. Takemoto, J. Takeuchi, Y. Miura, and Y. Teki
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Journal Title
RSC Advances
Volume: 2巻
Pages: 5150-5153
DOI
Peer Reviewed
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