Photocatalytic Degradation of Pollutants

Photocatalytic degradation of water pollutants has gained crucial attention as one of the promising methods for environmental remediation. Graphene and its compounds have emerged as significant materials for photocatalytic applications due to their unique properties, such as high surface area, strong absorption, and excellent electrical conductivity. This chapter begins with an overview of different graphene compounds and their surface functionalization, doping, and hybridization techniques. Further, it discusses the properties of graphene and its compounds, their advantages for photocatalytic applications, and the mechanism of photocatalytic degradation of pollutants, emphasizing the role of graphene in enhancing the efficiency of the process. Various pollutants targeted for degradation, including organic dyes, heavy metals, and emerging contaminants are discussed along with their associated environmental and health impacts. Additionally, latest progresses in the use of graphene and its compounds for photocatalytic degradation of pollutants, including graphene-based photocatalysts, composite materials, and strategies to overcome limitations and challenges are presented. The chapter also covers recent advancements and challenges in the development of graphene-based photocatalysts, including scale-up production, stability, and recyclability. Finally, potential future directions involving graphene-based photocatalysts for pollutant degradation are highlighted, paving the way for sustainable environmental remediation.