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Advances in Zno/R-GO Composite Materials for Sustainable Photo Induced CO2 Capture and Conversion

Fazal UR Rehman, Iqra Qayyum, Manzar Zahra, Aoun Raza, Sabeen Arshad, Kanwal Batool

This review paper investigates the photo induced CO₂ collection and conversion capability of ZnO/r-GO composites. Combining ZnO nanoparticles and reduced Graphene Oxide (r-GO) sheets improves Photocatalytic activity and adsorption capacity. Various synthesis processes are described, including hydrothermal synthesis and sol-gel approaches. The photo excitation process of ZnO is described, as well as the roles of ZnO and r-GO in CO₂ collection and conversion. Characterization methods such as XRD, SEM/TEM, FTIR, and XPS are discussed. Methods for assessing performance, such as Photocatalytic activity assessment and CO₂ capture capacity analysis, are addressed. The significance of ongoing research and development in this subject is stressed.