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Highly Efficient Perovskite Solar Cells Enabled by Multiple Ligand Passivation
https://oist.repo.nii.ac.jp/records/1501
https://oist.repo.nii.ac.jp/records/1501face90d4-8270-4b76-9159-5abae6d440d6
名前 / ファイル | ライセンス | アクション |
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aenm.201903696 (1.6 MB)
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (https://creativecommons.org/licenses/by-nc-nd/4.0/)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-05-14 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Highly Efficient Perovskite Solar Cells Enabled by Multiple Ligand Passivation | |||||
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) |
Wu, Zhifang
× Wu, Zhifang× Jiang, Maowei× Liu, Zonghao× Jamshaid, Afshan× Ono, Luis K.× Qi, Yabing |
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書誌情報 |
en : Advanced Energy Materials 巻 10, 号 10, p. 1903696, 発行日 2020-02-03 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | In the past decade, the efficiency of perovskite solar cells quickly increased from 3.8% to 25.2%. The quality of perovskite films plays vital role in device performance. The films fabricated by solution-process are usually polycrystalline, with significantly higher defect density than that of single crystal. One kind of defect in the films is uncoordinated Pb2+, which is usually generated during thermal annealing process due to the volatile organic component. Another detrimental kind of defect is Pb-0, which is often observed during the film fabrication process or solar cell operation. Because the open circuit voltage has a close relation with the defect density, it is thus desirable to passivate these two kinds of defects. Here, a molecule with multiple ligands is introduced, which not only passivates the uncoordinated Pb2+ defects, but also suppresses the formation of Pb-0 defects. Meanwhile, such a treatment improves the energy level alignment between the valence band of perovskite and the highest occupied molecular orbital of spiro-OMeTAD. As a result, the performance of perovskite solar cells significantly increases from 19.0% to 21.4%. | |||||
出版者 | ||||||
出版者 | WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1614-6832 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1614-6840 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1002/aenm.201903696 | |||||
権利 | ||||||
権利情報 | © 2020 The Author(s) | |||||
情報源 | ||||||
関連名称 | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://onlinelibrary.wiley.com/doi/full/10.1002/aenm.201903696 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |