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Spontaneous Exciton Dissociation in Carbon Nanotubes
http://hdl.handle.net/2261/56349
http://hdl.handle.net/2261/56349cf05fab6-57c6-4344-8beb-acd61d19d64e
名前 / ファイル | ライセンス | アクション |
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PhysRevLett.112.117401.pdf (1.2 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-01-10 | |||||
タイトル | ||||||
タイトル | Spontaneous Exciton Dissociation in Carbon Nanotubes | |||||
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 |
Kumamoto, Y.
× Kumamoto, Y.× Yoshida, M.× Ishii, A.× Yokoyama, A.× Shimada, T.× Kato, Y. K. |
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著者所属 | ||||||
著者所属 | Institute of Engineering Innovation, The University of Tokyo | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Simultaneous photoluminescence and photocurrent measurements on individual single-walled carbon nanotubes reveal spontaneous dissociation of excitons into free electron-hole pairs. The correlation of luminescence intensity and photocurrent shows that a significant fraction of excitons are dissociating before recombination. Furthermore, the combination of optical and electrical signals also allows for extraction of the absorption cross section and the oscillator strength. Our observations explain the reasons why photoconductivity measurements in single-walled carbon nanotubes are straightforward despite the large exciton binding energies. | |||||
書誌情報 |
Physical Review Letters 巻 112, p. 117401, 発行日 2014-03-17 |
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DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevLett.112.117401 | |||||
権利 | ||||||
権利情報 | Copyright (C) 2014 American Physical Society. | |||||
出版者 | ||||||
出版者 | American Physical Society | |||||
異版である | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | URI | |||||
関連識別子 | http://dx.doi.org/10.1103/PhysRevLett.112.117401 |