Graphene Quantum Dots for Photocatalytic CO2 Reduction
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Augustin, A
Shanmugam, M
Honnappa, B
Natarajan, TS
Wilson, K
Lee, AF
Sekar, K
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Abstract
Sustainable solar fuels production through reduction of molecular CO2 using photocatalysts is an eco-friendly and dependable source of energy for the future and for controlling the global warming. The growth of quantum dots, especially, graphene quantum dots (GQD), has emerged as a flat 0D material offering unique properties like enhanced solar light absorption, surface reactivity, charge separation, and migration efficiency, which are invariably systemizing high solar photocatalytic CO2 reduction efficiency. In this review, the insights of thermodynamics and kinetics of CO2 reduction are discussed, followed by detailed encapsulation of modification strategies of GQDs and intrinsic analysis of CO2 reduction utilizing solar light. Progressively, the challenges and futuristic outlook of GQDs-based photocatalytic systems for solar fuels production is also presented.
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Energy Technology
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This is the peer reviewed version of the following article: Sagayaraj, PJJ; Augustin, A; Shanmugam, M; Honnappa, B; Natarajan, TS; Wilson, K; Lee, AF; Sekar, K, Graphene Quantum Dots for Photocatalytic CO2 Reduction, Energy Technology, 2023, which has been published in final form at https://doi.org/10.1002/ente.202300563. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
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Electrical engineering
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Sagayaraj, PJJ; Augustin, A; Shanmugam, M; Honnappa, B; Natarajan, TS; Wilson, K; Lee, AF; Sekar, K, Graphene Quantum Dots for Photocatalytic CO2 Reduction, Energy Technology, 2023