Preparation and Properties of MCNOs/CdS Dual-Effect Photocatalyst

Abstract

Abstract: The MCNOs/CdS photocatalysts with different magnetic nanosized carbon (MCNOS) loads (0%, 1%, 3%, 5%) were prepared by hydrothermal synthesis. It was characterized by XRD, SEM, FT-IR, XPS, UV-Vis and VSM. The influence of MCNOs loading ratio on RhB performance and mechanism of catalyst in visible light degradation was investigated. The results show that MCNOs can effectively improve the photocatalytic effect of CdS. The degradation rate of 3%MCNOs compound is 96%, which is 30% higher than that of pure CdS. Magnetic analysis shows that it has good paramagnetism and can realize effective recovery of catalyst. The first-order reaction kinetic line of MCNOs/CdS photocatalyst degradation of RhB under visible light has a good degree of fit, indicating that the prepared catalyst has good catalytic activity.

Key words: cadmium sulfide, magnetic nano onion carbon, photocatalysis, degradation mechanism, first-order reaction kinetic

CLC Number:

ZHANG Jing, SHI Qianying, GONG Hao, GUO Yufe, ZHANG Weike. Preparation and Properties of MCNOs/CdS Dual-Effect Photocatalyst[J]. Journal of Synthetic Crystals, 2021, 50(8): 1485-1495.

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