Functionalization of graphene nanoplatelets using sugar azide for graphene/epoxy nanocomposites

被引：9
|
作者：
Bose, Saswata [1 ,2 ]
Drzal, Lawrence T. [1 ]
机构：
[1] Michigan State Univ, Composite Mat & Struct Ctr, Dept Chem Engn & Mat Sci, E Lansing, MI 48823 USA
[2] Jadavpur Univ, Dept Chem Engn, Kolkata 700032, India
来源：
CARBON LETTERS | 2015年 / 16卷 / 02期
关键词：
graphene nanoparticles; sugar azide; nanocomposite; spectroscopy; thermomechanical property; GRAPHITE OXIDE; NANOSHEETS; SHEETS; ROUTE;
D O I：
10.5714/CL.2015.16.2.101
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report a covalent functionalization of graphene nanoparticles (GnPs) employing 2,3,4-Tri-O-acetyl-beta-D-xylopyranosyl azide followed by fabrication of an epoxy/functionalized graphene nanocomposite and an evaluation of its thermo-mechanical performance. Successful functionalization of GnP was confirmed via thermal and spectroscopic study. Raman spectroscopy indicated that the functionalization was on the edge of the graphene sheets; the basal plane was not perturbed as a result of the functionalization. The epoxy/functionalized GnP composite system exhibited an increase in flexural modulus (similar to 18%) and glass transition temperature (similar to 10 degrees C) compared to an un-functionalized GnP based epoxy composite.
引用
收藏
页码：101 / 106
页数：6
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