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タイトル: | Operational stability, low light performance, and long-lived transients in mixed-halide perovskite solar cells with a monolayer-based hole extraction layer |
著者: | Murdey, Richard Ishikura, Yasuhisa Matsushige, Yuko Hu, Shuaifeng Pascual, Jorge Truong, Minh Anh Nakamura, Tomoya Wakamiya, Atsushi https://orcid.org/0000-0003-1430-0947 (unconfirmed) |
著者名の別形: | 松重, 優子 中村, 智也 若宮, 淳志 |
キーワード: | Perovskite solar cells Self-assembled monolayers Bandgap Stability Ambient light harvesting |
発行日: | Sep-2022 |
出版者: | Elsevier BV |
誌名: | Solar Energy Materials and Solar Cells |
巻: | 245 |
論文番号: | 111885 |
抄録: | Due to their tunable bandgap and low manufacturing cost, metal halide perovskite solar cells are attractive for ambient/indoor light-harvesting applications. In this work, we evaluate p-i-n perovskite solar cells fabricated with MeO-2PACz, a molecular monolayer hole extraction layer, as potential candidates for ambient light-harvesting applications. Two triple-cation mixed halide lead perovskite absorbers are compared, one with high bromide content (Br/I ratio 1:2, bandgap 1.72 eV, 16.1% power conversion efficiency) and one with low bromide content (Br/I ratio 1:11, bandgap 1.57 eV, 19.1% power conversion efficiency). Both materials demonstrated good stability while operating under simulated sunlight at the maximum power point for 100 h, a cumulative light dose comparable to over two years of ambient use. After 100 h operation, however, the measured device efficiency fell temporarily due to a transient loss of output current before returning to the nominal level after a long recovery period in the dark. These transient losses were more apparent in the wide bandgap device under strong light and were likely caused by light-induced halide segregation. After recovery, both devices retained good performance under a wide range of light intensities. Under a simulated ambient light source (835 lx white LED), the power conversion efficiency of the wide bandgap device reached 30.4%. |
著作権等: | © 2022. This manuscript version is made available under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International license. The full-text file will be made open to the public on 15 September 2024 in accordance with publisher's 'Terms and Conditions for Self-Archiving'. This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 |
URI: | http://hdl.handle.net/2433/275631 |
DOI(出版社版): | 10.1016/j.solmat.2022.111885 |
出現コレクション: | 学術雑誌掲載論文等 |
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