Low Temperature Reduction of Graphene Oxide Using Hot-plate for Nanocomposites Applications

被引：31

作者：

Hussein, Abdelrahman ^{[1
]}

Sarkar, Sourav ^{[1
]}

Kim, Byungki ^{[1
]}

机构：

[1] Korea Univ Technol & Educ, Sch Mechatron Engn, 1600 Chungjeol Ro, Cheonan 31253, Chungnam, South Korea

来源：

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 2016年 / 32卷 / 05期

基金：

新加坡国家研究基金会;

关键词：

Graphene; Nanocomposite; Mechanical properties; Fracture toughness; GRAPHITE OXIDE; ELECTRICAL-CONDUCTIVITY; FUNCTIONALIZED GRAPHENE; THERMAL EXFOLIATION; NANOSHEETS; LIGHTWEIGHT; SHEETS;

D O I：

10.1016/j.jmst.2016.02.001

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A green, easy to reproduce method to obtain thermally reduced graphene oxide (GO) is described. The only requirement is a heating source, like a hot plate, that can reach similar to 225 degrees C without any special setup requirements. Upon addition of graphene oxide, effective reduction could be achieved within 10 s. Starting flake size affects the yield of graphene, final structure and composition. A detailed characterization of the produced graphene using thermal analysis, spectroscopic methods, electron microscopy, X-ray diffraction and atomic force microscopy is presented. Application of the produced graphene as a filler to epoxy resin for mechanical reinforcement is also reported. Smaller flakes (D-50 = 5.7 mu m) showed improved ultimate tensile strength, fracture strain and plane strain fracture toughness compared to larger flakes (D-50 = 47.9 mu m) that showed negative effect. Both flake sizes showed a negligible effect on Young's modulus. Copyright (C) 2016, The editorial office of Journal of Materials Science & Technology. Published by Elsevier Limited. All rights reserved.

引用

页码：411 / 418

页数：8

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