Self-assembled graphene-based microfibers with eclectic optical properties

Abstract The construction of graphene-based microfibers with reinforced mechanical and electrical properties has been the subject of numerous researches in recent years. However, the fabrication of graphene-based fibers with remarkable optical features still remains a challenge and has not been addr...

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Autores principales:	Mahdi Ghamsari, Tayyebeh Madrakian, Abbas Afkhami, Mazaher Ahmadi
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9baa5c4424c84d44be556be013af155d
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spelling	oai:doaj.org-article:9baa5c4424c84d44be556be013af155d2021-12-02T13:35:05ZSelf-assembled graphene-based microfibers with eclectic optical properties10.1038/s41598-021-84940-02045-2322https://doaj.org/article/9baa5c4424c84d44be556be013af155d2021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-84940-0https://doaj.org/toc/2045-2322Abstract The construction of graphene-based microfibers with reinforced mechanical and electrical properties has been the subject of numerous researches in recent years. However, the fabrication of graphene-based fibers with remarkable optical features still remains a challenge and has not been addressed so far. This paper aims to report a series of flexible self-assembled fibers, synthesized through a few-minute sonication of thermally oxidized graphene oxide nanosheets, so-called Nanoporous Over-Oxidized Graphene (NOG), in an acidic medium. These free-standing glassy fibers were classified into four distinct morphological structures and displayed a collection of intriguing optical properties comprising high transparency, strong birefringence, fixed body colorations (e.g. colorless, blue, green, and red), tunable interference marginal colorations, UV–visible-near IR fluorescence, and upconversion emissions. Moreover, they exhibited high chemical stability in strongly acidic, basic, and oxidizing media. The foregoing notable attributes introduce the NOG fiber as a promising candidate both for the construction of graphene-based photoluminescent textiles and the development of a wide variety of optical applications.Mahdi GhamsariTayyebeh MadrakianAbbas AfkhamiMazaher AhmadiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Mahdi Ghamsari Tayyebeh Madrakian Abbas Afkhami Mazaher Ahmadi Self-assembled graphene-based microfibers with eclectic optical properties
description	Abstract The construction of graphene-based microfibers with reinforced mechanical and electrical properties has been the subject of numerous researches in recent years. However, the fabrication of graphene-based fibers with remarkable optical features still remains a challenge and has not been addressed so far. This paper aims to report a series of flexible self-assembled fibers, synthesized through a few-minute sonication of thermally oxidized graphene oxide nanosheets, so-called Nanoporous Over-Oxidized Graphene (NOG), in an acidic medium. These free-standing glassy fibers were classified into four distinct morphological structures and displayed a collection of intriguing optical properties comprising high transparency, strong birefringence, fixed body colorations (e.g. colorless, blue, green, and red), tunable interference marginal colorations, UV–visible-near IR fluorescence, and upconversion emissions. Moreover, they exhibited high chemical stability in strongly acidic, basic, and oxidizing media. The foregoing notable attributes introduce the NOG fiber as a promising candidate both for the construction of graphene-based photoluminescent textiles and the development of a wide variety of optical applications.
format	article
author	Mahdi Ghamsari Tayyebeh Madrakian Abbas Afkhami Mazaher Ahmadi
author_facet	Mahdi Ghamsari Tayyebeh Madrakian Abbas Afkhami Mazaher Ahmadi
author_sort	Mahdi Ghamsari
title	Self-assembled graphene-based microfibers with eclectic optical properties
title_short	Self-assembled graphene-based microfibers with eclectic optical properties
title_full	Self-assembled graphene-based microfibers with eclectic optical properties
title_fullStr	Self-assembled graphene-based microfibers with eclectic optical properties
title_full_unstemmed	Self-assembled graphene-based microfibers with eclectic optical properties
title_sort	self-assembled graphene-based microfibers with eclectic optical properties
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/9baa5c4424c84d44be556be013af155d
work_keys_str_mv	AT mahdighamsari selfassembledgraphenebasedmicrofiberswitheclecticopticalproperties AT tayyebehmadrakian selfassembledgraphenebasedmicrofiberswitheclecticopticalproperties AT abbasafkhami selfassembledgraphenebasedmicrofiberswitheclecticopticalproperties AT mazaherahmadi selfassembledgraphenebasedmicrofiberswitheclecticopticalproperties
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Self-assembled graphene-based microfibers with eclectic optical properties

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