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Facile preparation of large-scale graphene nanoscrolls from graphene oxide sheets by cold quenching in liquid nitrogen
J. P. Zhao; B. J. Yang; Z. Yang; P. Zhang; Z. M. Zheng; W. C. Ren; X. B. Yan
2014
Source PublicationCarbon
ISSN0008-6223
Volume79Pages:470-477
AbstractGraphene nanoscrolls (GNSs) are receiving intense interest because they are expected to possess some peculiar properties quite distinct from both graphene and carbon nanotubes. Research on GNS, however, has been hindered by limitations of the available preparation methods. Here we demonstrate a novel strategy for the large-scale preparation of GNSs from graphene oxide (GO) sheets by cold quenching, freeze-drying and subsequent thermal reduction. When a plastic box with a heated GO aqueous suspension is immersed in liquid nitrogen, GO sheets are able to roll up and most GNSs have diameters ranging from 200 to 600 nm. More interestingly, these GNSs connect each other to form a 3D network. The structural conversion is closely correlated with the initial temperature of GO suspension, the size of GO sheets and the immersion way. The liquid nitrogen cold quenching is a simple and controllable method for large-scale preparation of GNSs. The liquid nitrogen cold quenching is a simple and controllable method for large-scale preparation of GNSs. (C) 2014 Elsevier Ltd. All rights reserved.
description.department[zhao, jinping ; yang, bingjun ; yang, zhi ; zhang, peng ; zheng, zongmin ; yan, xingbin] chinese acad sci, lab clean energy chem & mat, lanzhou inst chem phys, lanzhou 730000, peoples r china. [ren, wencai] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [yan, xingbin] chinese acad sci, lanzhou inst chem phys, state key lab solid lubricat, lanzhou 730000, peoples r china. ; yan, xb (reprint author), chinese acad sci, lab clean energy chem & mat, lanzhou inst chem phys, lanzhou 730000, peoples r china. ; xbyan@licp.cas.cn
KeywordQuality Carbon Nanoscrolls Monolayer Graphene Graphite Fabrication Channels Storage Route
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73511
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. P. Zhao,B. J. Yang,Z. Yang,et al. Facile preparation of large-scale graphene nanoscrolls from graphene oxide sheets by cold quenching in liquid nitrogen[J]. Carbon,2014,79:470-477.
APA J. P. Zhao.,B. J. Yang.,Z. Yang.,P. Zhang.,Z. M. Zheng.,...&X. B. Yan.(2014).Facile preparation of large-scale graphene nanoscrolls from graphene oxide sheets by cold quenching in liquid nitrogen.Carbon,79,470-477.
MLA J. P. Zhao,et al."Facile preparation of large-scale graphene nanoscrolls from graphene oxide sheets by cold quenching in liquid nitrogen".Carbon 79(2014):470-477.
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