Highly crystalline graphene oxide nano-platelets produced from helical-ribbon carbon nanofibers

被引：38

作者：

Varela-Rizo, H. ^{[1
]}

Rodriguez-Pastor, I. ^{[1
]}

Merino, C. ^{[2
]}

Martin-Gullon, I. ^{[1
]}

机构：

[1] Univ Alicante, Dept Chem Engn, E-03080 Alicante, Spain

[2] Grp Antolin Ingn, E-09007 Burgos, Spain

来源：

CARBON | 2010年 / 48卷 / 12期

关键词：

NANOSHEETS; NANORIBBONS; NANOTUBES; FORM;

D O I：

10.1016/j.carbon.2010.05.033

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Graphene oxide nano-platelets were produced from helical-ribbon carbon nanofibers by oxidation with KMnO4/H2SO4 and further exfoliation by ultrasonication. The KMnO4 to carbon nanofiber ratio is 1:1. TEM and AFM were used to characterize the samples. TEM shows individual nanocrystals with straight edges and SAED yields a hexagonal spot pattern arrangement, attributed to graphene layers. The thickness of the nanocrystals, measured by AFM, is approximately 1.7 nm, which corresponds to a single layer of hydrated graphene oxide. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：3640 / 3643

页数：4

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