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Engineering functionalization and properties of graphene quantum dots (GQDs) with controllable synthesis for energy and display applications

Cited 1 time in Web of Science Cited 3 time in Scopus
Authors

Cho, Hyeonwoo; Bae, Gaeun; Hong, Byung Hee

Issue Date
2024-02
Publisher
Royal Society of Chemistry
Citation
Nanoscale, Vol.16 No.7, pp.3347-3378
Abstract
Graphene quantum dots (GQDs), a new type of 0D nanomaterial, are composed of a graphene lattice with sp2 bonding carbon core and characterized by their abundant edges and wide surface area. This unique structure imparts excellent electrical properties and exceptional physicochemical adsorption capabilities to GQDs. Additionally, the reduction in dimensionality of graphene leads to an open band gap in GQDs, resulting in their unique optical properties. The functional groups and dopants in GQDs are key factors that allow the modulation of these characteristics. So, controlling the functionalization level of GQDs is crucial for understanding their characteristics and further application. This review provides an overview of the properties and structure of GQDs and summarizes recent developments in research that focus on their controllable synthesis, involving functional groups and doping. Additionally, we provide a comprehensive and focused explanation of how GQDs have been advantageously applied in recent years, particularly in the fields of energy storage devices and displays. This review systematically covers controllable synthetic methods for functionalization, known as key determinants influencing the properties of GQDs.
ISSN
2040-3364
URI
https://hdl.handle.net/10371/198991
DOI
https://doi.org/10.1039/d3nr05842e
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  • College of Natural Sciences
  • Department of Chemistry
Research Area Physics

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