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Remarkable Thermoch...
Remarkable Thermochromism in the Double Perovskite Cs2NaFeCl6
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- Ji, Fuxiang, 1991- (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Klarbring, Johan, 1989- (author)
- Linköpings universitet,Teoretisk Fysik,Tekniska fakulteten
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- Zhang, Bin (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Wang, Feng, Assistant Professor (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Wang, Linqin (author)
- School of Science Westlake University Hangzhou, P.R. China
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- Miao, Xiaohe (author)
- Westlake University Hangzhou, P.R. China
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- Ning, Weihua (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten,Soochow University Suzhou, P. R. China
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- Zhang, Muyi (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Cai, Xinyi (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Bakhit, Babak, 1983- (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Magnuson, Martin, 1965- (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Ren, Xiaoming (author)
- State Key Laboratory of Materials‐Oriented Chemical Engineering and College of Chemistry and Molecular Engineering Nanjing Tech University Nanjing, P.R. China
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- Sun, Licheng (author)
- Center of Artificial Photosynthesis for Solar Fuels, School of Science Westlake University Hangzhou,P.R. China
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- Fahlman, Mats, 1967- (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Buyanova, Irina A, 1960- (author)
- Linköpings universitet,Tekniska fakulteten,Elektroniska och fotoniska material
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- Chen, Weimin, 1959- (author)
- Linköpings universitet,Tekniska fakulteten,Elektroniska och fotoniska material
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- Simak, Sergei I, 1967- (author)
- Linköpings universitet,Teoretisk Fysik,Tekniska fakulteten,Uppsala University Uppsala SE‐75120 Sweden
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- Abrikosov, Igor A., Professor, 1965- (author)
- Linköpings universitet,Teoretisk Fysik,Tekniska fakulteten
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- Gao, Feng, 1981- (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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(creator_code:org_t)
- 2023
- 2023
- English.
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In: Advanced Optical Materials. - : Wiley-Blackwell. - 2162-7568 .- 2195-1071.
- Related links:
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https://doi.org/10.1...
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https://liu.diva-por... (primary) (Raw object)
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Abstract
Subject headings
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- Lead-free halide double perovskites (HDPs) have emerged as a new generation of thermochromic materials. However, further materials development and mechanistic understanding are required. Here, a highly stable HDP Cs2NaFeCl6 single crystal is synthesized, and its remarkable and fully reversible thermochromism with a wide color variation from light-yellow to black over a temperature range of 10 to 423 K is investigated. First-principles, density functional theory (DFT)-based calculations indicate that the thermochromism in Cs2NaFeCl6 is an effect of electron–phonon coupling. The temperature sensitivity of the bandgap in Cs2NaFeCl6 is up to 2.52 meVK−1 based on the Varshni equation, which is significantly higher than that of lead halide perovskites and many conventional group-IV, III–V semiconductors. Meanwhile, this material shows excellent environmental, thermal, and thermochromic cycle stability. This work provides valuable insights into HDPs' thermochromism and sheds new light on developing efficient thermochromic materials.
Subject headings
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Ji, Fuxiang, 199 ...
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Klarbring, Johan ...
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Zhang, Bin
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Wang, Feng, Assi ...
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Wang, Linqin
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Miao, Xiaohe
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show more...
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Ning, Weihua
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Zhang, Muyi
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Cai, Xinyi
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Bakhit, Babak, 1 ...
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Magnuson, Martin ...
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Ren, Xiaoming
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Sun, Licheng
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Fahlman, Mats, 1 ...
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Buyanova, Irina ...
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Chen, Weimin, 19 ...
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Simak, Sergei I, ...
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Abrikosov, Igor ...
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Gao, Feng, 1981-
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Physical Chemist ...
- Articles in the publication
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Advanced Optical ...
- By the university
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Linköping University