Photocurrent Generators Derived from Non-Covalently Assembled Cyclodextrin Nano-System
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- Arimura Takashi
- Nanotechnology Research Institute, National Institute of Advanced Industrial Science and Technology
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- Tsuchiya Youichi
- Nanotechnology Research Institute, National Institute of Advanced Industrial Science and Technology
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- Tashiro Masashi
- Nanotechnology Research Institute, National Institute of Advanced Industrial Science and Technology
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- Tachiya Masanori
- Fellow, National Institute of Advanced Industrial Science and Technology
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抄録
It is rather difficult to design a multilayer photocurrent generator system on ITO electrode, however, the preparation of thin film with high surface concentration of donor units is indispensable in order to achieve high conversion efficiency. The polymer film of the chromophores on the electrode was prepared by the potential sweep method. It was indicated that the self-aggregation can be suppressed by encapsulation of the porphyrin unit in the cavity of macro-cyclic host molecule, namely cyclodextrin. We established the non-equilibrium host-guest system with porphyrins and cyclodextrins for the first time. The photocurrent density and the quantum yield in the porphyrin-cyclodextrin system are remarkably improved. It was demonstrated that the high quantum yield, perhaps 25 times larger, arises from the isolation of the porphyrin unit by cyclodextrin through host-guest interactions.
収録刊行物
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- Journal of Photopolymer Science and Technology
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Journal of Photopolymer Science and Technology 20 (4), 533-538, 2007
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詳細情報 詳細情報について
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- CRID
- 1390282679300531584
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- NII論文ID
- 130004464580
- 40015602524
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- NII書誌ID
- AA11576862
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- COI
- 1:CAS:528:DC%2BD2sXot1WmsL0%3D
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- ISSN
- 13496336
- 09149244
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- NDL書誌ID
- 8919251
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可