Se substitution and micro-nano-scale porosity enhancing thermoelectric Cu2Te
Shi Xiaoman1, Wang Guoyu2, 3, Wang Ruifeng2, 3, Zhou Xiaoyuan4, Xu Jingtao5, Tang Jun1, 6, ‡, Ang Ran1, 6, †
       

(color online) Temperature dependence of (a) zT and (b) average zTave . (c) Conversion efficiency η for the samples. (d) Comparison of zTave and η in a wide temperature range.