Abstract
Quasi core–shell ZnO/rGO composites were prepared from Zn2(OH)2CO3 and graphite oxide (GO) as raw materials by solid-phase reaction. The effects of GO content and heating rate on the photocatalytic performance of the products were studied. XRD results showed ZnO/rGO composites were obtained at 300 °C for 2 h, and transmission electron microscopy results showed graphene was coated with ZnO nanoparticles with a particle size of about 20–50 nm and formed a quasi core–shell structure. The photocatalytic experiment results indicated the ZnO/rGO composites exhibited good photocatalytic performance. Under simulated sunlight irradiation, ZnO/30% rGO composite materials demonstrated the best photocatalytic activity for methylene blue, with a degradation rate of 99.6% after 60 min of illumination. Finally, a photocatalysis mechanism of quasi core–shell ZnO/RGO composites was proposed.
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Acknowledgements
The authors would like to thank Key scientific and technological projects in Henan Province (212102210465), Key scientific research project plan of colleges and universities in Henan Province (22A430041, 22B430035), Take the Lead Science and Technology Project of Henan Province (211110231200); Achievement cultivation project of Key Program/Major Program in Zhongyuan University of Technology (K2020ZDPY05).
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Funding was provide by Key scientific research project plan of colleges and universities in Henan Province (Grant No. 22A430041).
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Contributions Chong wang and Baoyan Liang the primary responsibility for the design of the work. Chong wang, Baoyan Liang, Zheng Tian, Jieting Zhao, Yitong Liu, Nan Wang substantial contributions to the work and analysis. Chong wang, Baoyan Liang, Zheng Tian, Jieting Zhao, Nan Wang contributed to the interpretation of the data. Zheng Tian, Jieting Zhao, Nan Wang drafting and revising the work critically for important intellectual content. All authors read and approved the final manuscript.
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Wang, C., Liang, B., Tian, Z. et al. Low-Temperature In Situ Reaction Synthesis of Quasi Core–Shell ZnO/rGO Composites for the Efficient Photocatalytic Degradation of MB. J Inorg Organomet Polym 34, 655–663 (2024). https://doi.org/10.1007/s10904-023-02856-w
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DOI: https://doi.org/10.1007/s10904-023-02856-w