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Exciton Lifetime Paradoxically Enhanced by Dissipation and Decoherence: Toward Efficient Energy Conversion of a Solar Cell
http://hdl.handle.net/2261/59139
http://hdl.handle.net/2261/59139a843d87c-be74-4d74-8d72-e359ad248a1a
名前 / ファイル | ライセンス | アクション |
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PhysRevLett.115.197701.pdf (796.5 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2016-12-13 | |||||
タイトル | ||||||
タイトル | Exciton Lifetime Paradoxically Enhanced by Dissipation and Decoherence: Toward Efficient Energy Conversion of a Solar Cell | |||||
言語 | en | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Yamada, Yasuhiro
× Yamada, Yasuhiro× Yamaji, Youhei× Imada, Masatoshi |
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著者所属 | ||||||
著者所属 | Department of Applied Physics, The University of Tokyo | |||||
著者所属 | ||||||
著者所属 | Quantum-Phase Electronics Center (QPEC), The University of Tokyo | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Energy dissipation and decoherence are at first glance harmful to acquiring the long exciton lifetime desired for efficient photovoltaics. In the presence of both optically forbidden (namely, dark) and allowed (bright) excitons, however, they can be instrumental, as suggested in photosynthesis. By simulating the quantum dynamics of exciton relaxations, we show that the optimized decoherence that imposes a quantum-to-classical crossover with the dissipation realizes a dramatically longer lifetime. In an example of a carbon nanotube, the exciton lifetime increases by nearly 2 orders of magnitude when the crossover triggers a stable high population in the dark excitons. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | UTokyo Research掲載「"悪い"効果が太陽光発電に役に立つ」 URI: http://www.u-tokyo.ac.jp/ja/utokyo-research/research-news/good-solar-cells-from-bad-effects.html | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | UTokyo Research "Good solar cells from bad effects" URI: http://www.u-tokyo.ac.jp/en/utokyo-research/research-news/good-solar-cells-from-bad-effects.html | |||||
書誌情報 |
Physical Review Letters 巻 115, 号 19, p. 197701, 発行日 2015-11-06 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1079-7114 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11734748 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevLett.115.197701 | |||||
権利 | ||||||
権利情報 | © 2015 American Physical Society | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | American Physical Society | |||||
関係URI | ||||||
関連タイプ | isReferencedBy | |||||
識別子タイプ | URI | |||||
関連識別子 | https://www.u-tokyo.ac.jp/focus/ja/articles/a_00454.html | |||||
関係URI | ||||||
関連タイプ | isReferencedBy | |||||
識別子タイプ | URI | |||||
関連識別子 | https://www.u-tokyo.ac.jp/focus/en/articles/a_00450.html | |||||
関係URI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1103/PhysRevLett.115.197701 | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |