Photocatalytic H Production by Visible Light on CdZnS Photocatalysts Modified with Ni(OH) by Impregnation Method.

Nowadays, the study of environmentally friendly ways of producing hydrogen as a green energy source is an increasingly important challenge. One of these potential processes is the heterogeneous photocatalytic splitting of water or other hydrogen sources such as HS or its alkaline solution. The most common catalysts used for H production from NaS solution are the CdS-ZnS type catalysts, whose efficiency can be further enhanced by Ni-modification.

Effects of Preparation Conditions on the Efficiency of Visible-Light-Driven Hydrogen Generation Based on Ni(II)-Modified Cd.Zn.S Photocatalysts.

Hydrogen as an environmentally friendly fuel can be produced by photocatalytic procedures from aqueous systems, utilizing HS, an industrial side-product, by conversion and storage of renewable solar energy. Although composites of CdS and ZnS prepared by co-precipitation are very efficient in heterogeneous photocatalytic H generation, the optimal conditions for their synthesis and the effects of the various influencing factors are still not fully clarified. In this work, we investigated how the efficiency of Cd.