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Constructing Chromi...
Constructing Chromium Multioxide Hole-Selective Heterojunction for High-Performance Perovskite Solar Cells
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- Jiang, Sheng (författare)
- East China Normal Univ, Peoples R China
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- Xiong, Shaobing (författare)
- East China Normal Univ, Peoples R China
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- Dong, Wei (författare)
- East China Normal Univ, Peoples R China
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- Li, Danqin (författare)
- East China Normal Univ, Peoples R China
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- Yan, Yuting (författare)
- East China Normal Univ, Peoples R China
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- Jia, Menghui (författare)
- East China Normal Univ, Peoples R China
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- Dai, Yannan (författare)
- East China Normal Univ, Peoples R China
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- Zhao, Qingbiao (författare)
- East China Normal Univ, Peoples R China
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- Jiang, Kai (författare)
- East China Normal Univ, Peoples R China
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- Liu, Xianjie, 1971- (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Ding, Liming (författare)
- Natl Ctr Nanosci & Technol, Peoples R China
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- Fahlman, Mats, 1967- (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Sun, Zhenrong (författare)
- East China Normal Univ, Peoples R China
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- Bao, Qinye (författare)
- East China Normal Univ, Peoples R China; Shanxi Univ, Peoples R China
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(creator_code:org_t)
- 2022-08-28
- 2022
- Engelska.
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Ingår i: Advanced Science. - : Wiley. - 2198-3844. ; 9:30
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Perovskite solar cells (PSCs) suffer from significant nonradiative recombination at perovskite/charge transport layer heterojunction, seriously limiting their power conversion efficiencies. Herein, solution-processed chromium multioxide (CrOx) is judiciously selected to construct a MAPbI(3)/CrOx/Spiro-OMeTAD hole-selective heterojunction. It is demonstrated that the inserted CrOx not only effectively reduces defect sites via redox shuttle at perovskite contact, but also decreases valence band maximum (VBM)-HOMO offset between perovskite and Spiro-OMeTAD. This will diminish thermionic losses for collecting holes and thus promote charge transport across the heterojunction, suppressing both defect-assisted recombination and interface carrier recombination. As a result, a remarkable improvement of 21.21% efficiency with excellent device stability is achieved compared to 18.46% of the control device, which is among the highest efficiencies for polycrystalline MAPbI(3) based n-i-p planar PSCs reported to date. These findings of this work provide new insights into novel charge-selective heterojunctions for further enhancing efficiency and stability of PSCs.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Annan kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Other Chemical Engineering (hsv//eng)
Nyckelord
- charge transport; efficiency; hole-selective heterojunction; nonradiative recombination; perovskite solar cells
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- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Jiang, Sheng
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Xiong, Shaobing
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Dong, Wei
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Li, Danqin
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Yan, Yuting
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Jia, Menghui
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visa fler...
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Dai, Yannan
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Zhao, Qingbiao
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Jiang, Kai
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Liu, Xianjie, 19 ...
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Ding, Liming
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Fahlman, Mats, 1 ...
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Sun, Zhenrong
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Bao, Qinye
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- Om ämnet
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- TEKNIK OCH TEKNOLOGIER
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TEKNIK OCH TEKNO ...
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och Kemiteknik
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och Annan kemiteknik
- Artiklar i publikationen
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Advanced Science
- Av lärosätet
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Linköpings universitet