| 简介 |
A thermoelectric device including : a thermoelectric material layer comprising a thermoelectric material; a transition layer on the thermoelectric material; and a diffusion prevention layer on the transition layer, wherein the thermoelectric material comprises a compound of Formula 1 :
[in-line-formulae](A1-aA′a)4-x(B1-bB′b)3-y-zCz Formula 1[/in-line-formulae]
wherein A and A′ are different from each other, A is a Group 13 element, and A′ is at least one element of a Group 13 element, a Group 14 element, a rare-earth element, or a transition metal, B and B′ are different from each other, B is a Group 16 element, and B′ is at least one element of a Group 14 element, a Group 15 element, or a Group 16 element, C is at least one halogen atom, a complies with the inequality 0≦a<1, b complies with the inequality 0≦b<1, x complies with the inequality −1
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