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Precursor engineeri...
Precursor engineering enables high-performance all-inorganic CsPbIBr2 perovskite solar cells with a record efficiency approaching 13%
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- Chang, Qingyan (författare)
- State Key Laboratory of Fine Chemicals, Dalian University of Technology (DUT), Dalian 116024, Liaoning, China, Liaoning
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- An, Yidan (författare)
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong, China
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- Cao, Huaiman (författare)
- State Key Laboratory of Fine Chemicals, Dalian University of Technology (DUT), Dalian 116024, Liaoning, China, Liaoning
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- Pan, Yuzhen (författare)
- School of Chemical and Engineering, Dalian University of Technology (DUT), Dalian 116024, Liaoning, China, Liaoning
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- Zhao, Liangyu (författare)
- State Key Laboratory of Fine Chemicals, Dalian University of Technology (DUT), Dalian 116024, Liaoning, China, Liaoning
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- Chen, Yulong (författare)
- State Key Laboratory of Fine Chemicals, Dalian University of Technology (DUT), Dalian 116024, Liaoning, China, Liaoning
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- We, Yi (författare)
- Key Laboratory of Materials Modification by Laser, Ion, and Electron Beams (Ministry of Education), Dalian University of Technology (DUT), Dalian 116024 Liaoning, China, Liaoning
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- Tsang, Sai Wing (författare)
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong, China
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- Yip, Hin Lap (författare)
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong, China; School of Energy and Environment, City University of Hong Kong, Kowloon 999077, Hong Kong, China
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- Sun, Licheng, 1962- (författare)
- KTH,Organisk kemi,State Key Laboratory of Fine Chemicals, Dalian University of Technology (DUT), Dalian 116024, Liaoning, China, Liaoning; Center of Artificial Photosynthesis for Solar Fuels and Department of Chemistry, School of Science, Westlake University, Hangzhou 310024, Zhejiang, China, Zhejiang
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- Yu, Ze (författare)
- State Key Laboratory of Fine Chemicals, Dalian University of Technology (DUT), Dalian 116024, Liaoning, China, Liaoning
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(creator_code:org_t)
- Elsevier BV, 2024
- 2024
- Engelska.
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Ingår i: Journal of Energy Chemistry. - : Elsevier BV. - 2095-4956 .- 2096-885X. ; 90, s. 16-22
- 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
- All-inorganic CsPbIBr2 perovskite has attracted widespread attention in photovoltaic and other optoelectronic devices because of its superior thermal stability. However, the deposition of high-quality solution-processed CsPbIBr2 perovskite films with large thicknesses remains challenging. Here, we develop a triple-component precursor (TCP) by employing lead bromide, lead iodide, and cesium bromide, to replace the most commonly used double-component precursor (DCP) consisting of lead bromide and cesium iodide. Remarkably, the TCP system significantly increases the solution concentration to 1.3 M, leading to a larger film thickness (∼390 nm) and enhanced light absorption. The resultant CsPbIBr2 films were evaluated in planar n-i-p structured solar cells, which exhibit a considerably higher optimal photocurrent density of 11.50 mA cm−2 in comparison to that of DCP-based devices (10.69 mA cm−2). By adopting an organic surface passivator, the maximum device efficiency using TCP is further boosted to a record efficiency of 12.8% for CsPbIBr2 perovskite solar cells.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- All-inorganic perovskite solar cells
- CsPbIBr 2
- High performance
- Precursor engineering
- Solubility
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Chang, Qingyan
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An, Yidan
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Cao, Huaiman
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Pan, Yuzhen
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Zhao, Liangyu
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Chen, Yulong
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We, Yi
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Tsang, Sai Wing
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Yip, Hin Lap
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Sun, Licheng, 19 ...
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Yu, Ze
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