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  1. 学術雑誌論文
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Thermodynamically stabilized β-CsPbI3–based perovskite solar cells with efficiencies >18%

https://oist.repo.nii.ac.jp/records/1154
https://oist.repo.nii.ac.jp/records/1154
2e9922d9-ebc6-40a2-84ff-733deb947bb4
名前 / ファイル ライセンス アクション
Accepted Accepted Manuscript (17.7 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2020-01-10
タイトル
タイトル Thermodynamically stabilized β-CsPbI3–based perovskite solar cells with efficiencies >18%
言語 en
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) Wang, Yong

× Wang, Yong

Wang, Yong

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Dar, M. Ibrahim

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Dar, M. Ibrahim

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Ono, Luis K.

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Ono, Luis K.

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Zhang, Taiyang

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Zhang, Taiyang

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Kan, Miao

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Kan, Miao

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Li, Yawen

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Li, Yawen

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Zhang, Lijun

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Zhang, Lijun

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Wang, Xingtao

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Wang, Xingtao

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Yang, Yingguo

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Yang, Yingguo

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Gao, Xingyu

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Gao, Xingyu

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Qi, Yabing

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Qi, Yabing

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Grätzel, Michael

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Grätzel, Michael

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Zhao, Yixin

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Zhao, Yixin

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書誌情報 en : Science

巻 365, 号 6453, p. 591-595, 発行日 2019-08-09
抄録
内容記述タイプ Other
内容記述 Although beta-CsPbI3 has a bandgap favorable for application in tandem solar cells, depositing and stabilizing beta-CsPbI3 experimentally has remained a challenge. We obtained highly crystalline beta-CsPbI3 films with an extended spectral response and enhanced phase stability. Synchrotron-based x-ray scattering revealed the presence of highly oriented beta-CsPbI3 grains, and sensitive elemental analyses-including inductively coupled plasma mass spectrometry and time-of-flight secondary ion mass spectrometry-confirmed their all-inorganic composition. We further mitigated the effects of cracks and pinholes in the perovskite layer by surface treating with choline iodide, which increased the charge-carrier lifetime and improved the energy-level alignment between the beta-CsPbI3 absorber layer and carrier-selective contacts. The perovskite solar cells made from the treated material have highly reproducible and stable efficiencies reaching 18.4% under 45 +/- 5 degrees C ambient conditions.
ISSN
収録物識別子タイプ ISSN
収録物識別子 0036-8075
ISSN
収録物識別子タイプ ISSN
収録物識別子 1095-9203
PubMed番号
関連タイプ isVersionOf
識別子タイプ PMID
関連識別子 info:pmid/31395783
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 info:doi/10.1126/science.aav8680
権利
権利情報 © 2019 The Authors. This is the author’s version of the work. It is posted here by permission of the AAAS for personal use, not for redistribution. The definitive version was published in "Science" on Vol. 365, Aug. 9, 2019, DOI: 10.1126/science.aav8680.
関連サイト
識別子タイプ URI
関連識別子 https://science.sciencemag.org/content/365/6453/591.long
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
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