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Continuous hydrothermal flow synthesis of graphene quantum dots

Kellici, Suela, Acord, John, Moore, Katherine E., Power, Nicholas P., Middelkoop, Vesna, Morgan, David J., Heil, Tobias, Coppo, Paolo, Baragau, Ioan-Alexandru and Raston, Colin L. 2018. Continuous hydrothermal flow synthesis of graphene quantum dots. Reaction Chemistry and Engineering 3 (6) , pp. 949-958. 10.1039/C8RE00158H

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Abstract

Green fluorescent graphene quantum dots (GQD) have been synthesized via hydrothermal fragmentation using a continuous hydrothermal flow synthesis (CHFS) process as a single, rapid and environmentally benign method. This is in the presence of p-phosphonic acid calix[4]arene which enhances the optical properties of the graphene quantum dots through surface functionalization, with photoluminescence quantum yields of up to 4.5%. Potential environmental impact of a lab-scale supercritical CHFS process compared with that of conventional batch processing of GQDs has been assessed using the method of the International Reference Life Cycle Data System (ILCD).

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Publisher: Royal Society of Chemistry
ISSN: 2058-9883
Date of First Compliant Deposit: 20 December 2018
Date of Acceptance: 10 October 2018
Last Modified: 10 Oct 2019 02:26
URI: http://orca.cf.ac.uk/id/eprint/117866

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