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  1. 113 工学系研究科・工学部
  2. 26 物理工学専攻
  3. 1132610 学術雑誌論文
  1. 0 資料タイプ別
  2. 10 学術雑誌論文
  3. 014 自然科学

Exciton Lifetime Paradoxically Enhanced by Dissipation and Decoherence: Toward Efficient Energy Conversion of a Solar Cell

http://hdl.handle.net/2261/59139
a843d87c-be74-4d74-8d72-e359ad248a1a
名前 / ファイル ライセンス アクション
PhysRevLett.115.197701.pdf PhysRevLett.115.197701.pdf (796.5 kB)
Item type 学術雑誌論文 / Journal Article(1)
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
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

WEKO 2923

Yamada, Yasuhiro

Search repository
Yamaji, Youhei

× Yamaji, Youhei

WEKO 2924

Yamaji, Youhei

Search repository
Imada, Masatoshi

× Imada, Masatoshi

WEKO 2925

Imada, Masatoshi

Search repository
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
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
関連識別子
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
関連識別子
識別子タイプ URI
関連識別子 http://www.u-tokyo.ac.jp/ja/utokyo-research/research-news/good-solar-cells-from-bad-effects.html
関係URI
関連識別子
識別子タイプ URI
関連識別子 http://www.u-tokyo.ac.jp/en/utokyo-research/research-news/good-solar-cells-from-bad-effects.html
関係URI
関連識別子
識別子タイプ DOI
関連識別子 http://dx.doi.org/10.1103/PhysRevLett.115.197701
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