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Effect of lead-free (CH3NH3)3Bi2I9 perovskite addition on spectrum absorption and enhanced photovoltaic performance of bismuth triiodide solar cells
http://hdl.handle.net/10228/00007047
http://hdl.handle.net/10228/00007047c31ae1f0-3905-4fa1-81e5-fab42e6f42e1
名前 / ファイル | ライセンス | アクション |
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RCSLEC10.pdf (734.6 kB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||
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公開日 | 2019-02-20 | |||||||||||
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 | |||||||||||
タイトル | ||||||||||||
タイトル | Effect of lead-free (CH3NH3)3Bi2I9 perovskite addition on spectrum absorption and enhanced photovoltaic performance of bismuth triiodide solar cells | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
著者 |
Lan, Chunfeng
× Lan, Chunfeng× Luo, Jingting× Zhao, Shuai× Zhang, Chu× Liu, Weiguo× 早瀬, 修二× 馬, 廷麗
WEKO
21419
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | Active composite layers of bismuth triiodide (BiI3) and lead-free (CH3NH3)3Bi2I9 (MBI) perovskite were prepared using a simple chemical solution method under ambient conditions for thin-film solar cells. Results of X-ray diffraction and scanning electron microscopy indicated that the crystallization and surface morphologies of the composite films varied with perovskite contents. Multi-absorption was observed in the composite films due to the bandgap difference between BiI3 and MBI perovskite. Moreover, band bending at the BiI3-perovskite interfaces resulted in the realignment of energy levels in the composite films, and this phenomenon was beneficial to the efficient injection of excited electrons from the active layers into the TiO2 layers. Accordingly, due to the optimized crystallization and realigned energy level, when 20% of MBI perovskite was introduced into the active layers, the open-circuit voltage obviously increased from 0.44 V to 0.57 V in the (BiI3)0.8(MBI)0.2 composites solar cells, enhancing their power conversion efficiency by 67% compared with that in pure BiI3 solar cell. This study developed a new route for designing more efficient lead-free solar cells. | |||||||||||
書誌情報 |
Journal of Alloys and Compounds 巻 701, p. 834-840, 発行日 2017-01-20 |
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出版社 | ||||||||||||
出版者 | Elsevier | |||||||||||
DOI | ||||||||||||
関連タイプ | isVersionOf | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | info:doi/10.1016/j.jallcom.2017.01.169 | |||||||||||
日本十進分類法 | ||||||||||||
主題Scheme | NDC | |||||||||||
主題 | 543 | |||||||||||
NCID | ||||||||||||
収録物識別子タイプ | NCID | |||||||||||
収録物識別子 | AA10817249 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 0925-8388 | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | Elsevier | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Bismuth triiodide | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Lead-free perovskite | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Spectrum absorption | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Photovoltaic performance | |||||||||||
出版タイプ | ||||||||||||
出版タイプ | AM | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||||||
査読の有無 | ||||||||||||
値 | yes | |||||||||||
連携ID | ||||||||||||
6975 | ||||||||||||
情報源 | ||||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | https://doi.org/10.1016/j.jallcom.2017.01.169 |