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 the polycrystalline obtained by treating the precursors of SnSe₂ nanostructures in a tubular furnace at different temperatures. The inset is the XRD patterns of the reference, which prepared by using SnSe nanostructures as the precursor.