W/Br co-doped Zn(O,S) with Zn/O bi-vacancy defects and heterovalent states for enhanced photocatalytic hydrogen evolution

Binghong Wu, Xinru Wu, Dong–Hau Kuo, Xiao Tang, Xin Mao, Baoqian Yang, Zhengjie Su, Pengkun Zhang, Longyan Chen, Minhao Liu, Jinguo Lin, Xiaoyun Chen, Xiaoyun Chen