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Elimination of light-induced degradation at the nickel oxide-perovskite heterojunction by aprotic sulfonium layers towards long-term operationally stable inverted perovskite solar cells
https://oist.repo.nii.ac.jp/records/2890
https://oist.repo.nii.ac.jp/records/289000634325-ea0a-40e2-bc63-5e719029f24d
名前 / ファイル | ライセンス | アクション |
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d2ee01801b (3.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2023-01-24 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Elimination of light-induced degradation at the nickel oxide-perovskite heterojunction by aprotic sulfonium layers towards long-term operationally stable inverted perovskite solar cells | |||||
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, Tianhao
× Wu, Tianhao× Ono, Luis K.× Yoshioka, Rengo× Ding, Chenfeng× Zhang, Congyang× Mariotti, Silvia× Zhang, Jiahao× Mitrofanov, Kirill× Liu, Xiao× Segawa, Hiroshi× Kabe, Ryota× Han, Liyuan× Qi, Yabing |
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書誌情報 |
en : Energy & Environmental Science 巻 15, 号 11, p. 4612-4624, 発行日 2022-09-23 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Nickel oxide (NiOx) is a promising hole-selective contact to produce efficient inverted p-i-n structured perovskite solar cells (PSCs) due to its high carrier mobility and high transparency. However, the light-induced degradation of the NiOx–perovskite heterojunction is the main factor limiting its long-term operational lifetime. In this study, we used the time-resolved mass spectrometry technique to clarify the degradation mechanism of the NiOx-formamidinium–methylammonium iodide perovskite (a common composition for high-performance PSCs) heterojunction under operational conditions, and observed that (1) oxidation of iodide and generation of free protons under 1-sun illumination, (2) formation of volatile hydrogen cyanide, methyliodide, and ammonia at elevated temperatures, and (3) a condensation reaction between the organic components under a high vapor pressure. To eliminate these multi-step photochemical reactions, we constructed an aprotic trimethylsulfonium bromide (TMSBr) buffer layer at the NiOx/perovskite interface, which enables excellent photo-thermal stability, a matched lattice parameter with the perovskite crystal, and robust trap-passivation ability. Inverted PSCs stabilized with the TMSBr buffer layer reached the maximum efficiency of 22.1% and retained 82.8% of the initial value after continuous operation for 2000 hours under AM1.5G light illumination, which translates into a T80 lifetime of 2310 hours that is among the highest operational lifetimes for NiOx-based PSCs. | |||||
出版者 | ||||||
出版者 | Royal Society of Chemistry | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1754-5692 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1754-5706 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1039/D2EE01801B | |||||
権利 | ||||||
権利情報 | © 2022 The Authors. | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://pubs.rsc.org/en/content/articlelanding/2022/ee/d2ee01801b | |||||
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 |