Recent advances in non-Pb-based group-IV chalcogenides for environmentally-friendly thermoelectric materials*

Project supported by the National Natural Science Foundation of China (Grant Nos. 51472052 and U1601213).

Du Bing-Sheng1, Jian Ji-Kang1, †, Liu Hai-Tao1, 2, Liu Jiao1, Qiu Lei1
       

(color online) Temperature-dependent (a) Seebeck coefficients, (b) resistivities, (c) thermal conductivities, and (d) zT values of the SnTe,[21] Sn0.86Mn0.14Te,[21] Sn0.86Mn0.14Te(Cu2Te)0.05,[21] and Na0.03Eu0.03Pb0.94Te.[18]