Formation of highly stable dispersions of silane-functionalized reduced graphene oxide

被引：222
|
作者：
Hou, Shifeng [1 ]
Su, Shujun [2 ]
Kasner, Marc L. [1 ]
Shah, Pratik [1 ]
Patel, Krutika [1 ]
Madarang, Clemonne John [1 ]
机构：
[1] Montclair State Univ, Dept Chem & Biochem, Montclair, NJ 07058 USA
[2] SW Missouri State Univ, Dept Chem, Springfield, MO 65807 USA
来源：
CHEMICAL PHYSICS LETTERS | 2010年 / 501卷 / 1-3期
关键词：
GRAPHITE OXIDE; CARBON; REDUCTION; FILMS;
D O I：
10.1016/j.cplett.2010.10.051
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：
A method was developed to chemically functionalize graphene sheets by silylation. The graphene oxide sheets were silanized with N-(trimethoxysilylpropyl) ethylenediamine triacetic acid. Then the silanized graphene oxide sheets were reduced to produce water-soluble graphene derivatives (EDTA-graphenes). Fourier transform infrared spectroscopy, scanning electron microscopy and X-ray photoelectron spectroscopy were employed to characterize the structures and properties of the EDTA-graphenes and to monitor changes in the surface morphology and chemical and physical characteristics of graphene at different stages of the silylation reaction. The EDTA-graphenes showed improved dispersion in water and an EDTA-graphene film with a well-layered structure and high conductivity was fabricated. (C) 2010 Elsevier B. V. All rights reserved.
引用
收藏
页码：68 / 74
页数：7
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