Thermoelectric Performance of Micro/Nano-Structured Bismuth-Antimony-Telluride Bulk from Low Cost Mechanical Alloying  

作　　者：Z. Li G. L. Zhao P. Zhang S. Guo J. Tang 

机构地区：[1]Department of Mechanical Engineering, Louisiana State University, Baton Rouge, USA [2]Department of Physics and Astronomy, University of Wyoming, Laramie, USA [3]Department of Physics, Southern University and A & M College, Baton Rouge, USA

出　　处：《Materials Sciences and Applications》2012年第12期833-837,共5页材料科学与应用期刊（英文）

摘　　要：In this work, micro/nano-structured Bi0.5Sb1.5Te3bulk thermoelectric materials were synthesized by mechanical alloying from elemental shots of Bi, Sb, and Te. Cold pressing and subsequent heat treatments with hydrogen reduction were used to form bulk solid samples with good thermoelectric properties in the temperature range around 75℃to 100℃. In comparison to crystal growth methods and chemical solution synthesis, the reported technique can be readily implemented for mass production with relatively low cost.In this work, micro/nano-structured Bi0.5Sb1.5Te3bulk thermoelectric materials were synthesized by mechanical alloying from elemental shots of Bi, Sb, and Te. Cold pressing and subsequent heat treatments with hydrogen reduction were used to form bulk solid samples with good thermoelectric properties in the temperature range around 75℃to 100℃. In comparison to crystal growth methods and chemical solution synthesis, the reported technique can be readily implemented for mass production with relatively low cost.

关 键 词：Thermoelectric Bi0.5Sb1.5Te3 Mechanical ALLOYING Hydrogen Reduction 

分 类 号：O6[理学—化学]