Graphene Quantum Dots: Sustainable and Greener Synthetic Approaches

Garima Joshi; Babli Samariya; Nidhi Agnihotri

doi:10.54060/a2zjournals.jase.77

Authors

Garima Joshi Department of Chemistry, Kanoria PG Mahila Mahavidyalaya, Jaipur, Rajasthan India
Babli Samariya Department of Chemistry, Kanoria PG Mahila Mahavidyalaya, Jaipur, Rajasthan India
Nidhi Agnihotri Department of Chemistry

DOI:

https://doi.org/10.54060/a2zjournals.jase.77

Keywords:

Graphene quantum dots, graphene, green methods, biomedical applications

Abstract

Honeycomb crystal lattice graphene has proved to be a subject of a great deal of investigation over the previous decades owing to its intriguing electrical, optical and physical properties. Graphene identification imparts a significant lift and vital dimensions to nanotechnology and materials science. Graphene quantum dots (GQDs), a nanomaterial with zero dimensions (0D) demonstrated encouraging potential in biomedicine because of their really tiny and harmless nature, water solubility, outstanding biological compatibility, adjustable fluorescence, and photo resilience thereby gaining a great deal of interest in the biomedical sector. GQDs wide bandgap and their flexibility to engineer its bandgap over an extensive range and carrier selectivity play a major role in catalysis and energy applications. There are wide range possibilities for new applications due to their unique structure – related features such as optical, electrical, physiochemical qualities and exceptional biocompatibility when compared to other nanomaterials. They have gained tremendous attention along with other graphene derivatives in the last few years. Therefore, the development of GQDs became a remarkable catalyst for the utilization of graphene. Top down as well as bottom-up methodologies are applied for production of GQDs. Sustainable synthesis of GQDs has a variety of advantages, including the least cost and noncorrosive material, faster reactions, environmentally conscious resources, and simpler post-processing procedures than with synthetic methods. In this review, we have compiled a few of the green methods utilized by various research groups worldwide, for the green synthesis of GQDs and some of its biomedical applications.

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