Different Doping Sites of Ag on Cu2SnSe3 and Their Thermoelectric Property

Yi-Ming ZHOU; Yu-Ling ZHOU; Qian-Tao PANG; Jian-Wei SHAO; Li-Dong ZHAO; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

doi:10.15541/jim20180295

Journals >Journal of Inorganic Materials >Volume 34 >Issue 3 >Page 301 > Article

Journal of Inorganic Materials
Vol. 34, Issue 3, 301 (2019)

Different Doping Sites of Ag on Cu₂SnSe₃ and Their Thermoelectric Property

Yi-Ming ZHOU¹, Yu-Ling ZHOU², Qian-Tao PANG³, Jian-Wei SHAO⁴, Li-Dong ZHAO¹, [in Chinese]¹, [in Chinese]², [in Chinese]³, [in Chinese]⁴, and [in Chinese]¹

Author Affiliations

¹1. School of Materials Science and Engineering, Beihang University, Beijing 100191, China

²2. AVIC SAC Commercial Aircraft Company Ltd., Shenyang 110034, China

³3. Liaoning Tieling Sales Branch, Petro China Co. Ltd., Tieling 112000, China

⁴4. Shenyang Liming Areo-Engine Co. Ltd., Shenyang 110043, China

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DOI: 10.15541/jim20180295 Cite this Article

Yi-Ming ZHOU, Yu-Ling ZHOU, Qian-Tao PANG, Jian-Wei SHAO, Li-Dong ZHAO, [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Different Doping Sites of Ag on Cu₂SnSe₃ and Their Thermoelectric Property[J]. Journal of Inorganic Materials, 2019, 34(3): 301 Copy Citation Text

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XRD patterns and enlarged XRD patterns between 25° to 45°of Cu2Sn1-xAgxSe3 (x=0-0.09)

. XRD patterns and enlarged XRD patterns between 25° to 45°of Cu₂Sn_1-_xAg_xSe₃ (x=0-0.09)

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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)

. Temperature dependence of thermoelectric properties of Cu₂Sn_1-_xAg_xSe₃ (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)

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. XRD patterns of Cu_2-_yAg_ySnSe₃ (y=0-0.09)

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. Temperature dependence of thermoelectric properties of Cu_2-_yAg_ySnSe₃ (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)

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. Temperature dependence of thermoelectric properties of composites of Cu₂Sn_0.93Ag_0.07Se₃ and Cu_1.91Ag_0.09SnSe₃
(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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. Calculations by effective medium theory for composites of Cu₂Sn_0.93Ag_0.07Se₃ and Cu_1.91Ag_0.09SnSe₃

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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 Cu_2-_yAg_ySnSe₃

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