Origin of Photoresponse Transition of Copper Electrode from p-Type to n-Type
Zhou Guo-Ding, Modestov A D, Pan Chuan-Zhi, Yang Mai-Zhi, Cai Sheng-Min
Acta Phys. -Chim. Sin. . 1995, (01): 51 -55 .  DOI: 10.3866/PKU.WHXB19950110