Structural Evolution of Hydrothermally Derived Reduced Graphene Oxide

Abstract Hydrothermal reduction is a promising approach for graphene oxide (GO) reduction since it is environmentally friendly, simple, and cost effective. We present a detailed study of structural changes occurring in graphene oxide during the reduction process. The correlations between the interla...

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Autores principales:	Hsin-Hui Huang, K. Kanishka H. De Silva, G. R. A. Kumara, Masamichi Yoshimura
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e853a8fa41724d27ac94e5a7fe8c11c6
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spelling	oai:doaj.org-article:e853a8fa41724d27ac94e5a7fe8c11c62021-12-02T16:07:50ZStructural Evolution of Hydrothermally Derived Reduced Graphene Oxide10.1038/s41598-018-25194-12045-2322https://doaj.org/article/e853a8fa41724d27ac94e5a7fe8c11c62018-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-25194-1https://doaj.org/toc/2045-2322Abstract Hydrothermal reduction is a promising approach for graphene oxide (GO) reduction since it is environmentally friendly, simple, and cost effective. We present a detailed study of structural changes occurring in graphene oxide during the reduction process. The correlations between the interlayer spacing, chemical states, work functions, surface morphology, level of disorders, the number of layers, and processing time are elucidated. The results reveal that GO flakes remain in the early stage of the reduction process and that they are fully reduced after a 4-h hydrothermal treatment. With an increase in the reduction time, the resulting product, i.e., reduced graphene oxide, has a low oxygen content, small interlayer spacing, and crumbled and wrinkled structures. We are convinced that these properties can be tuned to a desired level for various applications.Hsin-Hui HuangK. Kanishka H. De SilvaG. R. A. KumaraMasamichi YoshimuraNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-9 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hsin-Hui Huang K. Kanishka H. De Silva G. R. A. Kumara Masamichi Yoshimura Structural Evolution of Hydrothermally Derived Reduced Graphene Oxide
description	Abstract Hydrothermal reduction is a promising approach for graphene oxide (GO) reduction since it is environmentally friendly, simple, and cost effective. We present a detailed study of structural changes occurring in graphene oxide during the reduction process. The correlations between the interlayer spacing, chemical states, work functions, surface morphology, level of disorders, the number of layers, and processing time are elucidated. The results reveal that GO flakes remain in the early stage of the reduction process and that they are fully reduced after a 4-h hydrothermal treatment. With an increase in the reduction time, the resulting product, i.e., reduced graphene oxide, has a low oxygen content, small interlayer spacing, and crumbled and wrinkled structures. We are convinced that these properties can be tuned to a desired level for various applications.
format	article
author	Hsin-Hui Huang K. Kanishka H. De Silva G. R. A. Kumara Masamichi Yoshimura
author_facet	Hsin-Hui Huang K. Kanishka H. De Silva G. R. A. Kumara Masamichi Yoshimura
author_sort	Hsin-Hui Huang
title	Structural Evolution of Hydrothermally Derived Reduced Graphene Oxide
title_short	Structural Evolution of Hydrothermally Derived Reduced Graphene Oxide
title_full	Structural Evolution of Hydrothermally Derived Reduced Graphene Oxide
title_fullStr	Structural Evolution of Hydrothermally Derived Reduced Graphene Oxide
title_full_unstemmed	Structural Evolution of Hydrothermally Derived Reduced Graphene Oxide
title_sort	structural evolution of hydrothermally derived reduced graphene oxide
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/e853a8fa41724d27ac94e5a7fe8c11c6
work_keys_str_mv	AT hsinhuihuang structuralevolutionofhydrothermallyderivedreducedgrapheneoxide AT kkanishkahdesilva structuralevolutionofhydrothermallyderivedreducedgrapheneoxide AT grakumara structuralevolutionofhydrothermallyderivedreducedgrapheneoxide AT masamichiyoshimura structuralevolutionofhydrothermallyderivedreducedgrapheneoxide
_version_	1718384752785883136

Structural Evolution of Hydrothermally Derived Reduced Graphene Oxide

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