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Manipulating Band Structure through Reconstruction of Binary Metal Sulfide for High-Performance Thermoelectrics in Solution-Synthesized Nanostructured Bi13 S18 I2.
Xu, Biao; Feng, Tianli; Agne, Matthias T; Tan, Qing; Li, Zhe; Imasato, Kazuki; Zhou, Lin; Bahk, Je-Hyeong; Ruan, Xiulin; Snyder, G Jeffery; Wu, Yue.
Affiliation
  • Xu B; Department of Chemical and Biological Engineering, Iowa State University, Ames, IA, 50011, USA.
  • Feng T; College of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China.
  • Agne MT; Department of Mechanical Engineering, Purdue University, West Lafayette, IN, 47907, USA.
  • Tan Q; Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA.
  • Li Z; State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing, 100083, China.
  • Imasato K; Department of Chemical and Biological Engineering, Iowa State University, Ames, IA, 50011, USA.
  • Zhou L; Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA.
  • Bahk JH; Ames Laboratory, Department of Energy, Ames, IA, 50011, USA.
  • Ruan X; Department of Mechanical and Materials Engineering, University of Cincinnati, Cincinnati, OH, 45221, USA.
  • Snyder GJ; Department of Mechanical Engineering, Purdue University, West Lafayette, IN, 47907, USA.
  • Wu Y; Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA.
Angew Chem Int Ed Engl ; 57(9): 2413-2418, 2018 02 23.
Article in En | MEDLINE | ID: mdl-29356282
Reconstructing canonical binary compounds by inserting a third agent can significantly modify their electronic and phonon structures. Therefore, it has inspired the semiconductor communities in various fields. Introducing this paradigm will potentially revolutionize thermoelectrics as well. Using a solution synthesis, Bi2 S3 was rebuilt by adding disordered Bi and weakly bonded I. These new structural motifs and the altered crystal symmetry induce prominent changes in electrical and thermal transport, resulting in a great enhancement of the figure of merit. The as-obtained nanostructured Bi13 S18 I2 is the first non-toxic, cost-efficient, and solution-processable n-type material with z T=1.0.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Angew Chem Int Ed Engl Year: 2018 Document type: Article Affiliation country: United States Country of publication: Germany
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Angew Chem Int Ed Engl Year: 2018 Document type: Article Affiliation country: United States Country of publication: Germany