Communication

Improved Thermoelectric Properties of Cu‐Doped Quaternary Chalcogenides of Cu₂CdSnSe₄

State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics Chinese Academy of Sciences,n Shanghai 200050, (P.R. China)

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I‐Wei Chen

Department of Materials Science and Engineering University of Pennsylvania, Philadelphia PA 19104‐6272, (USA)

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Fu‐Qiang Huang

Corresponding Author

E-mail address: huangfq@mail.sic.ac.cn

State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics Chinese Academy of Sciences,n Shanghai 200050, (P.R. China)

State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics Chinese Academy of Sciences,n Shanghai 200050, (P.R. China).Search for more papers by this author

Li‐Dong Chen

State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics Chinese Academy of Sciences,n Shanghai 200050, (P.R. China)

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Min‐Ling Liu

State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics Chinese Academy of Sciences,n Shanghai 200050, (P.R. China)

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I‐Wei Chen

Department of Materials Science and Engineering University of Pennsylvania, Philadelphia PA 19104‐6272, (USA)

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Fu‐Qiang Huang

Corresponding Author

E-mail address: huangfq@mail.sic.ac.cn

State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics Chinese Academy of Sciences,n Shanghai 200050, (P.R. China)

Li‐Dong Chen

State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics Chinese Academy of Sciences,n Shanghai 200050, (P.R. China)

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First published: 28 September 2009

https://doi.org/10.1002/adma.200900409

Citations: 232

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Abstract

The chalcopyrite‐like structure of Cu₂M SnQ ₄ is an ordered tetrahedral array of flattened CuQ ₄ and undistorted MQ ₄ and SnQ ₄, with a low lattice thermal conductivity. The [Cu₂Q ₄] tetrahedral layers are electrically conducting, and the [SnMQ ₄] layers are electrically insulating.