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Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/14263

Title: Enhanced Thermoelectric Performance of Compacted Bi0.5Sb1.5Te3 Nanoplatelets with Low Thermal Conductivity
Authors: Liu, Chia-Jyi;Liu, Gao-Jhih;Liu, Yen-Liang;Chen, Liang-Ru;Kaiser, Alan B.
Contributors: 物理學系
Keywords: Hydrothermal;Thermal conductivity;Thermoelectric
Date: 2011-08
Issue Date: 2012-09-10T06:16:44Z
Publisher: Cambridge University Press
Abstract: We report fabrication of compacted Bi0.5Sb1.5Te3 nanoplatelets using hydrothermal methods followed by cold pressing and sintering in an evacuated ampoule at various temperature of 300–380 °C. The compacted Bi0.5Sb1.5Te3 sintered at 340 °C has the highest power factor of 11.6 μW/cm·K2 and its thermal conductivity is 0.37 W/m·K at 295 K, which is very low as compared to the typical value of 1 W/m·K. The resulting dimensionless figure of merit ZT is 0.93 at 295 K.
Relation: Journal of Materials Research, 26(15): 1755-1761
Appears in Collections:[物理學系] 期刊論文

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