Multiple Converged Conduction Bands in K 2 Bi 8 Se 13 : A Promising Thermoelectric Material with Extremely Low Thermal Conductivity

We report that K Bi Se exhibits multiple conduction bands that lie close in energy and can be activated through doping, leading to a highly enhanced Seebeck coefficient and a high power factor with elevated temperature. Meanwhile, the large unit cell, complex low symmetry crystal structure, and nond...

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Veröffentlicht in:	Journal of the American Chemical Society 2016-12, Vol.138 (50), p.16364-16371
Hauptverfasser:	Pei, Yanling, Chang, Cheng, Wang, Zhe, Yin, Meijie, Wu, Minghui, Tan, Gangjian, Wu, Haijun, Chen, Yuexing, Zheng, Lei, Gong, Shengkai, Zhu, Tiejun, Zhao, Xinbing, Huang, Li, He, Jiaqing, Kanatzidis, Mercouri G, Zhao, Li-Dong
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry
Online-Zugang:	Volltext
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