Enhanced thermoelectric properties of p-type polycrystalline SnSe by regulating the anisotropic crystal growth and Sn vacancy

Liu Chengyan¹, Miao Lei^{1, †}, Wang Xiaoyang¹, Wu Shaohai¹, Zheng Yanyan¹, Deng Ziyang¹, Chen Yulian¹, Wang Guiwen², Zhou Xiaoyuan²

(color online) XRD patterns of (a) SnSe₂ and (b) SnSe powders synthesized via a wet-chemistry route at different reaction temperatures.