Gram-scale synthesis of ZnS/NiO core-shell hierarchical nanostructures and their enhanced H2 production in crude glycerol and sulphide wastewater.

摘要: Abstract Design and development of the efficient durable photocatalyst that generates H2 fuel utilizing industrial wastewater under solar light is a sustainable process. Innumerable photocatalysts have been reported for hydrogen production, but their large-scale production with same efficiency challenging task. In this study, few gram-scale syntheses ZnS wrapped NiO hierarchical core-shell nanostructure via surfactant-mediated process has reported. Morphology crystal structure analysis ZnS/NiO showed spherical shaped cubic face-centered structures. The surface examination confirmed presence Zn2+, S2-, Ni2+ O2- ions in nanocomposite. photocurrent photo-luminescence studies pristine nanocomposites revealed material non-corrosive prolonged life-time photo-excitons. Parametric on photocatalytic generation lab-scale photoreactor using crude glycerol water recorded high rate 9.3 mmol.h-1.g-1 catalyst simulated irradiation. Optimized reaction parameters are extended to demonstrative containing aqueous produced 18.5 mmol.h-1 natural nanostructures were further tested sulfide optimized 350 mL.h-1. experimental results time-on stream catalytic stability demonstrated can be recyclable reusable continuous generation.