Appropriate conditions for preparing few-layered graphene oxide and reduced graphene oxide

被引：25
|
作者：
Xu, Shuntao [1 ]
Liu, Jinkun [1 ]
Xue, Yuan [1 ]
Wu, Tianya [1 ]
Zhang, Zhengfu [1 ]
机构：
[1] Kunming Univ Sci & Technol, Fac Mat Sci & Engn, Kunming 650093, Peoples R China
来源：
FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES | 2017年 / 25卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Graphene oxide; Graphite oxide; Oxidation time; Exfoliation technology; GRAPHITE OXIDE; FUNCTIONALIZED GRAPHENE; OXIDATION; SHEETS; FILMS; AREA; TRANSPARENT; NANOSHEETS; REDUCTION;
D O I：
10.1080/1536383X.2016.1247268
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：
Oxidation time and exfoliated conditions of graphite oxides (GOs) were investigated to prepare few-layer graphene oxide and reduced graphene oxide via a modified Hummers approach. Different oxidative degree of GOs was prepared by changing oxidation time, and the effects of oxidative degree of GOs in different oxidation time were studied by XRD, FT-IR. Afterwards, highly oxidized GOs were used as precursor to prepare graphene oxide and reduced graphene oxide by ultrasonic dispersion method and thermal expansion method. The exfoliated conditions (ultrasonic power and ultrasonic time, thermal exfoliated temperature) were investigated to prepare few-layered graphene oxide and reduced graphene oxide.
引用
收藏
页码：40 / 46
页数：7
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