Current and future perspectives of carbon and graphene quantum dots: From synthesis to strategy for building optoelectronic and energy devices

Dibyendu Ghosh, Krishnendu Sarkar, Pooja Devi, Ki-Hyun Kim and Praveen Kumar

Renewable and Sustainable Energy Reviews, 2021, vol. 135, issue C

Abstract: Carbon quantum dots (CQDs) and graphene quantum dots (GQDs) are new carbon-based nanomaterials with unique electronic, optical, and physicochemical properties. Both CQDs and GQDs have received attention in different material research fields such as optoelectronics, energy harvesting, chemical sensing, and biosensing. The combination of edge effects and/or zero-dimensional quantum-confined structures make them a promising alternative for applications like LED emitters, photodetectors, solar cells, water splitting, and optoelectronic devices. Despite the great potential for using these materials in energy harvesters, their potential in energy applications has not yet been reviewed thoroughly. In this review, we particularly focused on the role of edge effects and attached functional groups on flexible optoelectronic devices for energy harvesting applications. In addition, we also discussed the underlying challenges and future prospects for CQD/GQD-based devices with respect to their performance, sustainability, durability, and cost-effectiveness to efficiently realize their industrial scale-up.

Keywords: CQDs; GQDS; LED emitters; Solar cells; Hydrogen; Optoelectronics; Photodetectors (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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DOI: 10.1016/j.rser.2020.110391

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