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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 & Engineering, 3(6) pp. 949–958.

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DOI (Digital Object Identifier) Link: https://doi.org/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: Journal Item
Copyright Holders: 2018 Royal Society of Chemistry
ISSN: 2058-9883
Project Funding Details:
Funded Project NameProject IDFunding Body
Calixarene Assisted Rapid Synthesis of Graphene Quantum Dots (GQD) for Energy Related Applications and Beyond.PP105 31-05-2016EPSRC Grand Challenge Network, the Directed Assembly Network
Not SetNot SetAustralian Research Council
Keywords: Graphene Quantum Dots; Calixarenes; Supercritical; Hydrothermal; Continuous Flow; life-cycle assessment; Toxicity
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Life, Health and Chemical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Research Group: Smart Materials
Item ID: 57267
Depositing User: Nicholas Power
Date Deposited: 26 Oct 2018 13:45
Last Modified: 03 May 2019 08:26
URI: http://oro.open.ac.uk/id/eprint/57267
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