WFRF:(Xiong Shaobing)
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Defect-Passivation Using Organic Dyes for Enhanced Efficiency and Stability of Perovskite Solar Cells
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- Xiong, Shaobing (author)
- East China Normal Univ, Peoples R China
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- Song, Jingnan (author)
- Shanghai Jiao Tong Univ, Peoples R China
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- Yang, Jianming (author)
- East China Normal Univ, Peoples R China
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- (creator_code:org_t)
- 2020-01-29
- 2020
- English.
- In: Solar RRL. - : WILEY-V C H VERLAG GMBH. - 2367-198X. ; 4:5
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Perovskite solar cells are a highly competitive candidate for next-generation photovoltaic technology. Defects in the perovskite grain boundaries and on the film surfaces however have significant impacts on both the device efficiency and environmental stability. Herein, a strategy using organic dyes as additives to passivate the defect states and produce more n-type perovskite films, thereby improving charge transport and decreasing charge recombination, is reported. Based on this strategy, the power conversion efficiency of the perovskite solar cell is significantly increased from 18.13% to 20.18% with a negligible hysteresis. Furthermore, the rich hydrogen bonds and carbonyl structures in the organic dye can significantly enhance device stability both in terms of humidity and thermal stress. The results present a promising pathway using abundant and colorful organic dyes as additives to achieve high-performance perovskite solar cells.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Keyword
- defect-passivation; efficiency; organic dyes; perovskite solar cells; stability
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Xiong, Shaobing
- Song, Jingnan
- Yang, Jianming
- Xu, Jinqiu
- Zhang, Ming
- Ma, Ruru
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- Li, Danqin
- Liu, Xianjie
- Liu, Feng
- Duan, Chungang
- Fahlman, Mats
- Bao, Qinye
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- About the subject
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- NATURAL SCIENCES
- NATURAL SCIENCES
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- Solar RRL
- By the university
- Linköping University
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