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) TEM images of (a) SnSe₂ and (b) SnSe nanostructures synthesized at 182 °C. The insets are their corresponding HRTEM images.