Fig. 5From: Photocatalytic hydrogen evolution from biomass conversion(Copyright 2018 ChemPubSoc Europe and Royal Society Chemistry)Proposed mechanism of cellulose photoreformation into H2 over a NiS/TiO2 and b NiOx/TiO2. Reprinted with permission from Hao et al. [41] and Zhang et al. [42] Back to article page