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) Vickers micro-hardness value of group IV–chalcogenides compared with those of other popular thermoelectric materials. (Reprinted (adapted) from Ref. [55] with permission from Copyright (2017) American Chemical Society).