Metal sulfide-based Z-scheme heterojunctions in photocatalytic removal of contaminants, H2 evolution and CO2 reduction: Current status and future perspectives - Fang Deng; Junlong Peng; Xibao Li; Xubiao Luo; Priyanka Ganguly; Suresh C. Pillai; Bangxing Ren; Lin Ding; Dionysios D. Dionysiou (Journal of Cleaner Production, 2023)