Abstract
Noble metal-free nanomaterials have an enormous attraction in the field of the photocatalyst. In this work, copper-induced ZnO/gC3N4 photocatalyst has been synthesized by an environmental friendly closed system of microwave hydrothermal method. A variety of analytical methods were used for the analysis of the photocatalytic properties of the synthesized photocatalyst. Where the Cu-ZnO/gC3N4 shows high photoresponse in visible light towards the degradation of dyes such as Rh-B and MO with a high-efficiency of 98 % and 99 % respectively. The 3 wt% copper in the CZC3 photocatalyst was in charge of high percentage degradation having very low bandgap of 1.97 eV and high electron-hole charge separation rate for extended light response ranges. The electron transfer direction of between Cu-ZnO and gC3N4 are measured, their work functions are 4.84 eV, 3.94 eV, respectively. The mechanism was explained based on the S-scheme charge migration technique.
Published Version
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