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Reducing nonradiati...
Reducing nonradiative recombination for highly efficient inverted perovskite solar cells via a synergistic bimolecular interface
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- Xiong, Shaobing (författare)
- East China Normal Univ, Peoples R China; Fudan Univ, Peoples R China
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- Tian, Fuyu (författare)
- Jilin Univ, Peoples R China
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- Wang, Feng (författare)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Cao, Aiping (författare)
- East China Normal Univ, Peoples R China
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- Chen, Zeng (författare)
- Zhejiang Univ, Peoples R China
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- Jiang, Sheng (författare)
- East China Normal Univ, Peoples R China
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- Li, Di (författare)
- East China Normal Univ, Peoples R China
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- Xu, Bin (författare)
- East China Normal Univ, Peoples R China
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- Wu, Hongbo (författare)
- Donghua Univ, Peoples R China
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- Zhang, Yefan (författare)
- Soochow Univ, Peoples R China
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- Qiao, Hongwei (författare)
- East China Normal Univ, Peoples R China
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- Ma, Zaifei (författare)
- Donghua Univ, Peoples R China
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- Tang, Jianxin (författare)
- Soochow Univ, Peoples R China
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- Zhu, Haiming (författare)
- Zhejiang Univ, Peoples R China
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- Yao, Yefeng (författare)
- East China Normal Univ, Peoples R China
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- Liu, Xianjie (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Zhang, Lijun (författare)
- Jilin Univ, Peoples R China
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- Sun, Zhenrong (författare)
- East China Normal Univ, Peoples R China
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- Fahlman, Mats (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Chu, Junhao (författare)
- Fudan Univ, Peoples R China
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- Gao, Feng (författare)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Bao, Qinye (författare)
- East China Normal Univ, Peoples R China; Fudan Univ, Peoples R China; Shanxi Univ, Peoples R China
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(creator_code:org_t)
- NATURE PORTFOLIO, 2024
- 2024
- Engelska.
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Ingår i: Nature Communications. - : NATURE PORTFOLIO. - 2041-1723. ; 15:1
- Relaterad länk:
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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
- Reducing interface nonradiative recombination is important for realizing highly efficient perovskite solar cells. In this work, we develop a synergistic bimolecular interlayer (SBI) strategy via 4-methoxyphenylphosphonic acid (MPA) and 2-phenylethylammonium iodide (PEAI) to functionalize the perovskite interface. MPA induces an in-situ chemical reaction at the perovskite surface via forming strong P-O-Pb covalent bonds that diminish the surface defect density and upshift the surface Fermi level. PEAI further creates an additional negative surface dipole so that a more n-type perovskite surface is constructed, which enhances electron extraction at the top interface. With this cooperative surface treatment, we greatly minimize interface nonradiative recombination through both enhanced defect passivation and improved energetics. The resulting p-i-n device achieves a stabilized power conversion efficiency of 25.53% and one of the smallest nonradiative recombination induced Voc loss of only 59 mV reported to date. We also obtain a certified efficiency of 25.05%. This work sheds light on the synergistic interface engineering for further improvement of perovskite solar cells. Reducing interface nonradiative recombination is important for realizing highly efficient perovskite solar cells. Here, the authors employ a bimolecular interlayer to functionalize the perovskite interface, achieving cooperative surface treatment and certified power conversion efficiency of 25.05%.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
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- ref (ämneskategori)
- art (ämneskategori)
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- Av författaren/redakt...
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Xiong, Shaobing
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Tian, Fuyu
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Wang, Feng
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Cao, Aiping
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Chen, Zeng
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Jiang, Sheng
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visa fler...
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Li, Di
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Xu, Bin
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Wu, Hongbo
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Zhang, Yefan
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Qiao, Hongwei
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Ma, Zaifei
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Tang, Jianxin
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Zhu, Haiming
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Yao, Yefeng
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Liu, Xianjie
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Zhang, Lijun
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Sun, Zhenrong
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Fahlman, Mats
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Chu, Junhao
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Gao, Feng
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Bao, Qinye
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