Two-dimensional Janus AsXY (X = Se, Te; Y = Br, I) monolayers for photocatalytic water splitting Jiali Wang, Jiajun Lu, Xiuwen Zhao, Guichao Hu, Xiaobo Yuan and Junfeng Ren Eur. Phys. J. B, 96 2 (2023) 17 Published online: 08 February 2023 DOI: 10.1140/epjb/s10051-023-00486-2