Journal of Inorganic Materials, Volume. 38, Issue 2, 163(2023)
Effect of Surface Treatment of n-type Bi2Te3-based Materials on the Properties of Thermoelectric Units
Figures & Tables(7)
. Test curves of contact resistances between BT-x(x=2 (a), 4 (b), 6 (c), 8(d), 10 (e)) materials and Ni barrier layers, and (f) histogram of contact resistance for BT-x
. Digital photos of BT-4 sample before (a1) and after (a2) corrosion, optical microstructures of BT-x(x=2 (b1), 4 (b2), 6 (b3), 8 (b4), 10 (b5)) surfaces, and (c) histogram of roughness for BT-x
. Microstructures of material interfaces between BT-x(x=2 (a1-a3), 4 (b1-b3), 6 (c1-c3), 8 (d1-d3), 10 (e1-e3)) and Ni barrier layers
. (a) Fine microstructure of the interface between BT-4 material and Ni layer, (b) partially enlarged image and corresponding (c1) Bi, (c2) Ni, (c3) Se, (c4) Te surficial elemental distribution mappings, and (d) schematic diagram of interface structure between BT-4 material and Ni barrier layer
Table 1. Contact resistance and tensile bonding strength parameters of n-type Bi2Te3 barrier layers
View tableView in ArticleTable 1. Contact resistance and tensile bonding strength parameters of n-type Bi2Te3 barrier layers
Ref. Contact resistance/ (μΩ·cm2) Bonding strength/MPa Device size/mm3 LIU[ 14 ]<1 16 1.8×1.8×2.4 TANG[ 18 ]5.31 17.62 2×2×0.45 This work (BT-4) 2.43 14.95 2×2×0.45
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Siheng HUA, Dongwang YANG, Hao TANG, Xiong YUAN, Ruoyu ZHAN, Zhuoming XU, Jianan LYU, Yani XIAO, Yonggao YAN, Xinfeng TANG. Effect of Surface Treatment of n-type Bi2Te3-based Materials on the Properties of Thermoelectric Units[J]. Journal of Inorganic Materials, 2023, 38(2): 163
Paper Information
Category: EDITORIAL
Received: Mar. 2, 2022
Accepted: --
Published Online: Sep. 27, 2023
The Author Email: HUA Siheng (si.heng_0-1@whut.edu.cn)
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