Yang Liang-Liang, Qin Yuan-Hao, Wei Jiang-Tao, Song Pei-Shuai, Zhang Ming-Liang, Yang Fu-Hua, Wang Xiao-Dong. Research progress of Cu2Se thin film thermoelectric propertiesJ. Acta Physica Sinica, 2021, 70(7): 076802. DOI: 10.7498/aps.70.20201677