Journal of Inorganic Materials ›› 2019, Vol. 34 ›› Issue (3): 301-309.DOI: 10.15541/jim20180295
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ZHOU Yi-Ming1, ZHOU Yu-Ling2, PANG Qian-Tao3, SHAO Jian-Wei4, ZHAO Li-Dong1
Received:
2018-07-02
Revised:
2018-07-25
Published:
2019-03-20
Online:
2019-02-26
About author:
ZHOU Yi-Ming. E-mail: zhouym@buaa.edu.cn
Supported by:
CLC Number:
ZHOU Yi-Ming, ZHOU Yu-Ling, PANG Qian-Tao, SHAO Jian-Wei, ZHAO Li-Dong. Different Doping Sites of Ag on Cu2SnSe3 and Their Thermoelectric Property[J]. Journal of Inorganic Materials, 2019, 34(3): 301-309.
Fig. 2 Temperature dependence of thermoelectric properties of Cu2Sn1-xAgxSe3 (x = 0-0.07)(a) Electrical conductivity; (b) Seebeck coefficient; (c) Power factor; (d) Total thermal conductivity; (e) Lattice thermal conductivity; (f) Thermoelectric figure of merit (ZT)
y | a/nm | b/nm | c/nm | β/(°) | V/nm3 |
---|---|---|---|---|---|
0 | 0.69919 | 1.20763 | 0.69667 | 109.26 | 0.55533 |
0.01 | 0.69714 | 1.20586 | 0.69671 | 109.20 | 0.55310 |
0.03 | 0.69812 | 1.20641 | 0.69551 | 109.21 | 0.55314 |
0.05 | 0.69973 | 1.20578 | 0.69819 | 109.47 | 0.55539 |
0.07 | 0.70011 | 1.20749 | 0.70033 | 109.47 | 0.55817 |
0.09 | 0.70019 | 1.21247 | 0.69674 | 109.46 | 0.55772 |
Table 1 Lattice parameters and average volume of unit cell of Cu2-yAgySnSe3
y | a/nm | b/nm | c/nm | β/(°) | V/nm3 |
---|---|---|---|---|---|
0 | 0.69919 | 1.20763 | 0.69667 | 109.26 | 0.55533 |
0.01 | 0.69714 | 1.20586 | 0.69671 | 109.20 | 0.55310 |
0.03 | 0.69812 | 1.20641 | 0.69551 | 109.21 | 0.55314 |
0.05 | 0.69973 | 1.20578 | 0.69819 | 109.47 | 0.55539 |
0.07 | 0.70011 | 1.20749 | 0.70033 | 109.47 | 0.55817 |
0.09 | 0.70019 | 1.21247 | 0.69674 | 109.46 | 0.55772 |
Fig. 4 Temperature dependence of thermoelectric properties of Cu2-yAgySnSe3 (y=0-0.09)(a) Electrical conductivity; (b) Seebeck coefficient; (c) Power factor; (d) Total thermal conductivity;(e) Lattice thermal conductivity; (f) Thermoelectric figure of merit (ZT)
Fig. 5 Temperature dependence of thermoelectric properties of composites of Cu2Sn0.93Ag0.07Se3 and Cu1.91Ag0.09SnSe3(a) Electrical conductivity; (b) Seebeck coefficient; (c) Power factor; (d) Total thermal conductivity;(e) Lattice thermal conductivity; (f) Thermoelectric figure of merit (ZT)
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