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Thermoelectric Properties of AgSbTe2-Sb2Te3 Prepared by High Pressure Synthesis
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Tai-Chao SU1, Shu-Guang ZHANG2, Xiao-Lei LI1, Hong-An MA3, Shang-Sheng LI1, Xiao-Peng JIA1, 3
Chinese Journal of High Pressure Physics | 2011, 25(4) : 317 - 320
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Chinese Journal of High Pressure Physics | 2011, 25(4): 317-320
Thermoelectric Properties of AgSbTe2-Sb2Te3 Prepared by High Pressure Synthesis
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Tai-Chao SU1, Shu-Guang ZHANG2, Xiao-Lei LI1, Hong-An MA3, Shang-Sheng LI1, Xiao-Peng JIA1, 3
Affiliations
  • 1.Institute of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454003, China
  • 2.Department of Mathematics, Jiaozuo Teachers College, Jiaozuo 454000, China
  • 3.National Laboratory of Superhard Materials, Jinlin University, Changchun 130012, China
Published: 2011-08-15
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The p-type thermoelectric materials of AgSbTe2 alloyed with Sb2Te3 ((AgSbTe2)1-x(Sb2Te3)x, 0≤x≤0.3) are prepared by high pressure method. The structure and thermoelectric properties of (AgSbTe2)1-x(Sb2Te3)x are studied at room temperature. Experimental results indicate that the samples are near single phase AgSbTe2 when x≤0.1. The electrical resistivity of the sample decreases dramatically with the increasing of synthetic pressure and Sb2Te3 content x. The Seebeck coefficient increases. The high pressure combining with Sb2Te3 doping can improve the power factor of AgSbTe2 effectively. Moreover, the enhanced power factor reaches 10.4 μW/(cm·K2), and the high figure of merit reaches 0.466 for (AgSbTe2)0.9(Sb2Te3)0.1 prepared at 2.0 GPa, which is close to that of Bi2Te3.

high pressure  /  thermoelectric material  /  AgSbTe2  /  electrical resistivity  /  power factor
宿太超, 张曙光, 李小雷, 马红安, 李尚升, 贾晓鹏. 高压合成AgSbTe2-Sb2Te3的热电性能研究. 高压物理学报, 2011 , 25 (4) : 317 -320 .
Tai-Chao SU, Shu-Guang ZHANG, Xiao-Lei LI, Hong-An MA, Shang-Sheng LI, Xiao-Peng JIA. Thermoelectric Properties of AgSbTe2-Sb2Te3 Prepared by High Pressure Synthesis[J]. Chinese Journal of High Pressure Physics, 2011 , 25 (4) : 317 -320 .
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Year 2011 volume 25 Issue 4
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  • Receive Date：2010-06-08
  • Online Date：2026-11-02
  • Published：2011-08-15
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History
  • Received：2010-06-08
  • Revised：2010-09-09
Funding
Affiliations
    1.Institute of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454003, China
    2.Department of Mathematics, Jiaozuo Teachers College, Jiaozuo 454000, China
    3.National Laboratory of Superhard Materials, Jinlin University, Changchun 130012, China
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表12种不同金属材料的力学参数
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Number of
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Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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