DataVXACS Applied Materials & InterfacesPaper
journal article·2017-10-25

Enhanced Thermoelectric Properties of Ag-Modified Bi0.5Sb1.5Te3 Composites by a Facile Electroless Plating Method

Shen Cao, Zhong-Yue Huang, Fang-Qiu Zu, Ju Xu, Lei Yang, Zhi-Gang Chen

ACS Applied Materials & Interfaces· Volume 9· Issue 42
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Source abstract

Abstract

A large-scale and facile electroless plating Ag method has been developed to fabricate high-performing Ag/Bi 0.5 Sb 1.5 Te 3 (Ag/BST) composites. Ag can be doped into BST and also forms Ag 2 Te secondary phase in BST, leading to a low lattice thermal conductivity of 0.34 Wm –1 K –1 . Consequently, a peak zT of 1.07 and average zT of 1.02 are achieved in 0.03 wt % Ag/BST. The average zT value is enhanced by 100% in the temperature interval from 300 to 500 K compared with that of Ag-free BST. This work provides a facile and large-scale method to fabricate the high performance Bi 2 Te 3 -based alloy for applying in the low-temperature power generation.
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Research context

Metals & alloysComposites

OpenAlex topics: Advanced Thermoelectric Materials and Devices · Thermal Radiation and Cooling Technologies · Advanced Thermodynamics and Statistical Mechanics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Liquid/Solid Metal Processing Institute, School of Materials Science & Engineering, Hefei University of Technology, Hefei 230009, PR China

Micro-nano Fabrication Technology Department, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, PR China

School of Engineering Science, University of Chinese Academy of Sciences, Beijing, 100190, PR China

College of Materials Science and Engineering, Sichuan University, Chengdu, 610064, PR China

Centre for Future Materials, University of Southern Queensland, Springfield, Queensland 4300, Australia

Material Engineering, University of Queensland, St. Lucia, Queensland 4072, Australia

Funding

Australian Research Council · National Natural Science Foundation of China · University of Queensland · Chinese Academy of Sciences

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