Thermoelectric performance of Cu1−x−δAgxInTe2 diamond-like materials with a pseudocubic crystal structure

Author:

Liu Ruiheng12345,Qin Yuting12345,Cheng Nian12345,Zhang Jiawei12345,Shi Xun12345,Grin Yuri678,Chen Lidong12345

Affiliation:

1. State Key Laboratory of High Performance Ceramics and Superfine Microstructure

2. Shanghai Institute of Ceramics

3. Chinese Academy of Sciences

4. Shanghai 200050

5. China

6. Max-Planck-Institut für Chemische Physik fester Stoffe

7. 01187 Dresden

8. Germany

Abstract

In a tetragonal chalcopyrite solid solution Cu1−xAgxInTe2 (x = 0–0.5), a pseudocubic structure is realized at x ≈ 0.2. The degenerate valence bands influence electrical transport and lattice thermal conductivity. The highest ZT of 1.24 was obtained at x = 0.2 and δ = 0.05.

Publisher

Royal Society of Chemistry (RSC)

Subject

Inorganic Chemistry

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