Abstract
Abstracts In this paper, Mg-doped CdS nanorods (MgCdS) were prepared by a simple solvothermal method to investigate the band structure and enhanced photocatalytic degradation performance under visible light illumination. Mg element is successfully doped into the lattice of CdS and it doesn't destroy the nanorod structure of CdS. The band gap of CdS is widened by Mg doping. The prepared MgCdS shows improved photocatalytic degradation performance than CdS, and 5% MgCdS has the optimal photocatalytic degradation performance, which can degrade approximately 96% RhB in 70-min visible light illumination. The enhanced photocatalytic degradation performance of 5% MgCdS is due to the increased photogenerated charge carrier concentration and the effectively suppressed recombination of photogenerated carriers.
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