2013 Fiscal Year Final Research Report
Can new fluorescence dyes for photodynamic therapy be a solar-cell device?
| Project/Area Number |
24659019
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Physical pharmacy
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| Research Institution | Okayama University |
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Principal Investigator |
ENOMOTO Shuichi 岡山大学, 医歯(薬)学総合研究科, 教授 (10271553)
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| Co-Investigator(Kenkyū-buntansha) |
KAMINO Shinichiro 独立行政法人理化学研究所, 研究員 (20537237)
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| Project Period (FY) |
2012-04-01 – 2014-03-31
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| Keywords | イメージング / 炎症 / 分子プローブ |
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| Research Abstract |
In this research, we have synthesized new ABPX derivatives, which have long alkyl chains to prevent the dye-dye intermolecular interaction, and investigated the photophysical properties of them to apply for a photosensitizer of the dye-sensitized solar cell. As the alkyl chains were longer, the absorption and fluorescence emission spectra were slightly red shifted. The phi of ABPX05 with tetra-octyl chains (cis-form: phi = 0.28, trans-form: phi = 0.28) was twice as high as ABPX01 with tetraethyl (cis-form: phi = 0.16, trans-form: phi = 0.15) in all solvent such as chloroform, acetone methanol and acetonitrile. The longer alkyl chains in ABPX, the larger phi observed. From these results, we estimated the improvement of phi of ABPX derivatives, which have long alkyl chains, were derived from the prevention of dye-dye intermolecular interaction.
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Research Products
(43 results)
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[Journal Article] A Red-Emissive aminobenzopyrano-xanthene Dye : Elucidation of Fluorescence Emission Mechanism in Solution and Aggregate State2013
Author(s)
S. Kamino, A. Muranaka, M. Murakami, A. Tatsumi, N. Nagaoka, Y. Shirasaki, K. Watanabe, K. Yoshida, J. Horigome, S. Komeda, M. Uchiyama, S. Enomoto
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Journal Title
Phys. Chem. Chem. Phys.
Volume: 15
Pages: 2131-2140
DOI
Peer Reviewed
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