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
收藏
页码：3640 / 3643
页数：4
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