Quantum Dots in Green Photocatalytic Applications for Degradation of Environmental Pollutants and Hydrogen Evolution

Devi, Selvaraj; Tharmaraj, Vairaperumal

doi:10.1007/978-3-030-17638-9_4

Selvaraj Devi⁸ &
Vairaperumal Tharmaraj⁹

Part of the book series: Environmental Chemistry for a Sustainable World ((ECSW,volume 36))

Abstract

In recent years, environmental pollutions and energy issues have attracted much attention for the sustainable development of human life. It is of great challenge for the researcher to find a clean, biocompatible, nontoxic, and environment-friendly method for solving the problems associated with the environment. Photocatalysis is one of the effective strategies for mitigating the energy crisis and environmental pollutions. Several photocatalysts were developed for the efficient degradation of environmental pollutants into useful products. Mainly, quantum dot (QD)-based photocatalysts have attracted the researchers due to their attractive properties such as quantum confinement effect, large surface area, and high catalytic activity that makes its promising applications in the field of photocatalysis, sensing, light-emitting diodes, energy storage devices, bioimaging, and solar cell.

This chapter deals with the recent developments of QDs, (a) overview of quantum dots such as carbon, graphene, cadmium sulfide, zinc oxide, cadmium selenium, core-shell quantum dots and (b) photocatalytic applications of QDs such as carbon materials like carbon- and graphene-based QDs and metal-, metal sulfide-, and metal oxide-based QDs. The detailed discussions are made on the efficiency of photocatalytic behaviors of QDs, surface-modified QDs with different functionalities, and the doping of QDs with other elements like S, N, B, Si, etc. and also provided the reaction mechanisms of QDs in photocatalysis.

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Department of Inorganic Chemistry, University of Madras, Chennai, India
Selvaraj Devi
Department of Analytical Chemistry, National Chung-Hsing University, Taichung, Taiwan
Vairaperumal Tharmaraj

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Faculty of Engineering, Mechanical Department, University of Tarapacá, Arica, Chile
Saravanan Rajendran
Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
Mu. Naushad
Faculty of Engineering, Department of Mechanical Engineering, University of Tarapacá, Arica, Chile
Lorena Cornejo Ponce
CNRS, IRD, INRA, Coll France, CEREGE, Aix Marseille University, Aix-en-Provence, France
Eric Lichtfouse

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Devi, S., Tharmaraj, V. (2020). Quantum Dots in Green Photocatalytic Applications for Degradation of Environmental Pollutants and Hydrogen Evolution. In: Rajendran, S., Naushad, M., Ponce, L., Lichtfouse, E. (eds) Green Photocatalysts for Energy and Environmental Process. Environmental Chemistry for a Sustainable World, vol 36. Springer, Cham. https://doi.org/10.1007/978-3-030-17638-9_4

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