Fig. 7From: Photocatalytic hydrogen evolution from biomass conversion(Copyright 2017 American Chemical Society)a The illustration of the synthetic route of Ni/CdS nanosheets. b Oxidation reactions of the alcohol and aldehyde groups in HMF. c Oxidation of DHMF to HMF and DFF. Adsorption structures and energies of MHF d at water/NiO interface and e over bare NiO surface vias its aldehyde or alcohol group. Reprinted with the permission from Han et al. [6] Back to article page