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High-Yield Continuous-Flow Synthesis of Spheroidal C(60)@Graphene Composites as Supercapacitors

[Image: see text] Graphene spheres confining fullerene C(60) are quantitatively formed under high-shear and continuous-flow processing using a vortex fluidic device (VFD). This involves intense micromixing a colloidal suspension of graphite in DMF and an o-xylene solution of C(60) at room temperatur...

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Autores principales: Alsulam, Ibrahim K., Alharbi, Thaar M. D., Moussa, Mahmoud, Raston, Colin L.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2019
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6868912/
https://www.ncbi.nlm.nih.gov/pubmed/31763551
http://dx.doi.org/10.1021/acsomega.9b02656
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author Alsulam, Ibrahim K.
Alharbi, Thaar M. D.
Moussa, Mahmoud
Raston, Colin L.
author_facet Alsulam, Ibrahim K.
Alharbi, Thaar M. D.
Moussa, Mahmoud
Raston, Colin L.
author_sort Alsulam, Ibrahim K.
collection PubMed
description [Image: see text] Graphene spheres confining fullerene C(60) are quantitatively formed under high-shear and continuous-flow processing using a vortex fluidic device (VFD). This involves intense micromixing a colloidal suspension of graphite in DMF and an o-xylene solution of C(60) at room temperature in the absence of surfactants and other auxiliary substances. The diameters of the composite spheres, C(60)@graphene, can be controlled with size distributions ranging from 1.5 to 3.5 μm, depending on the VFD operating parameters, including rotational speed, flow rate, relative ratio of C(60) to graphite, and the concentration of fullerene. An electrode of the composite material has high cycle stability, with a high areal capacitance of 103.4 mF cm(–2), maintaining its capacitances to 24.7 F g(–1) and 86.4 mF cm(–2) (83.5%) at a high scan rate of 100 mV s(–1).
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spelling pubmed-68689122019-11-22 High-Yield Continuous-Flow Synthesis of Spheroidal C(60)@Graphene Composites as Supercapacitors Alsulam, Ibrahim K. Alharbi, Thaar M. D. Moussa, Mahmoud Raston, Colin L. ACS Omega [Image: see text] Graphene spheres confining fullerene C(60) are quantitatively formed under high-shear and continuous-flow processing using a vortex fluidic device (VFD). This involves intense micromixing a colloidal suspension of graphite in DMF and an o-xylene solution of C(60) at room temperature in the absence of surfactants and other auxiliary substances. The diameters of the composite spheres, C(60)@graphene, can be controlled with size distributions ranging from 1.5 to 3.5 μm, depending on the VFD operating parameters, including rotational speed, flow rate, relative ratio of C(60) to graphite, and the concentration of fullerene. An electrode of the composite material has high cycle stability, with a high areal capacitance of 103.4 mF cm(–2), maintaining its capacitances to 24.7 F g(–1) and 86.4 mF cm(–2) (83.5%) at a high scan rate of 100 mV s(–1). American Chemical Society 2019-11-07 /pmc/articles/PMC6868912/ /pubmed/31763551 http://dx.doi.org/10.1021/acsomega.9b02656 Text en Copyright © 2019 American Chemical Society This is an open access article published under an ACS AuthorChoice License (http://pubs.acs.org/page/policy/authorchoice_termsofuse.html) , which permits copying and redistribution of the article or any adaptations for non-commercial purposes.
spellingShingle Alsulam, Ibrahim K.
Alharbi, Thaar M. D.
Moussa, Mahmoud
Raston, Colin L.
High-Yield Continuous-Flow Synthesis of Spheroidal C(60)@Graphene Composites as Supercapacitors
title High-Yield Continuous-Flow Synthesis of Spheroidal C(60)@Graphene Composites as Supercapacitors
title_full High-Yield Continuous-Flow Synthesis of Spheroidal C(60)@Graphene Composites as Supercapacitors
title_fullStr High-Yield Continuous-Flow Synthesis of Spheroidal C(60)@Graphene Composites as Supercapacitors
title_full_unstemmed High-Yield Continuous-Flow Synthesis of Spheroidal C(60)@Graphene Composites as Supercapacitors
title_short High-Yield Continuous-Flow Synthesis of Spheroidal C(60)@Graphene Composites as Supercapacitors
title_sort high-yield continuous-flow synthesis of spheroidal c(60)@graphene composites as supercapacitors
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6868912/
https://www.ncbi.nlm.nih.gov/pubmed/31763551
http://dx.doi.org/10.1021/acsomega.9b02656
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