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Photon Upconverting Solid Films with Improved Efficiency for Endowing Perovskite Solar Cells with Near‐Infrared Sensitivity
https://oist.repo.nii.ac.jp/records/1726
https://oist.repo.nii.ac.jp/records/1726bb5b8cad-bf4c-47a2-ab10-021fe9b384b6
名前 / ファイル | ライセンス | アクション |
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200711_manuscript (1.8 MB)
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cptc202000143-s1-200711_supporting_information (991.0 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-10-22 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Photon Upconverting Solid Films with Improved Efficiency for Endowing Perovskite Solar Cells with Near‐Infrared Sensitivity | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Kinoshita, Mika
× Kinoshita, Mika× Sasaki, Yoichi× Amemori, Shogo× Harada, Naoyuki× Hu, Zhanhao× Liu, Zonghao× Ono, Luis K.× Qi, Yabing× Yanai, Nobuhiro× Kimizuka, Nobuo |
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書誌情報 |
en : ChemPhotoChem 発行日 2020-08-05 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Perovskite solar cells have emerged as the next‐generation high‐efficiency solar cell, but their absorption is mostly limited to the visible (vis) range. One possible solution is to integrate near‐infrared (NIR)‐to‐vis photon upconversion (UC). Herein, we show the first example of endowing perovskite solar cells with NIR sensitivity by using solid films showing NIR‐to‐vis UC based on triplet‐triplet annihilation (TTA). A high TTA‐UC efficiency of 4.1±0.3 % at an excitation intensity of 125 W/cm² is achieved by sensitizing a rubrene (acceptor) triplet with an osmium (Os) complex donor having singlet‐to‐triplet (S−T) absorption in the NIR range, and by increasing the fluorescence quantum yield through energy harvesting to a highly fluorescent collector. In particular, our spectroscopic studies indicate that the upconverted acceptor singlet energy is almost selectively transferred to the collector rather than being quenched by the donor. By attaching the TTA‐UC film behind a semi‐transparent perovskite solar cell, a photocurrent generation is observed under excitation at 938 nm. | |||||
出版者 | ||||||
出版者 | Wiley‐VCH GmbH | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2367-0932 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1002/cptc.202000143 | |||||
権利 | ||||||
権利情報 | This is the accepted version of the following article: Kinoshita, M., Sasaki, Y., Amemori, S., Harada, N., Hu, Z., Liu, Z., Ono, L.K., Qi, Y., Yanai, N. and Kimizuka, N. (2020), Photon Upconverting Solid Films with Improved Efficiency for Endowing Perovskite Solar Cells with Near‐Infrared Sensitivity. ChemPhotoChem., which has been published in final form at https://doi.org/10.1002/cptc.202000143. This article may be used for non-commercialpurposes in accordance with the Wiley Self-Archiving Policy [https://authorservices.wiley.com/author-resources/Journal-Authors/licensing/self-archiving.html]. | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1002/cptc.202000143 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |