First-principles study on the photocatalytic property of SiS/BSe and SiS2/BSe van der Waals heterojunctionsWen-Jing Zhao, Ling Ma, Liang-Cai Ma, Xing-Hua Tian and Jian-Min ZhangEur. Phys. J. B, 96 7 (2023) 102DOI: https://doi.org/10.1140/epjb/s10051-023-00569-0