Aqueous Suspension and Characterization of Chemically Modified Graphene Sheets

被引：859
|
作者：
Park, Sungjin [1 ]
An, Jinho [1 ]
Piner, Richard D. [1 ]
Jung, Inhwa [1 ]
Yang, Dongxing [1 ]
Velamakanni, Aruna [1 ]
Nguyen, SonBinh T. [2 ]
Ruoff, Rodney S. [1 ]
机构：
[1] Univ Texas Austin, Dept Mech Engn, Austin, TX 78712 USA
[2] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA
来源：
CHEMISTRY OF MATERIALS | 2008年 / 20卷 / 21期
关键词：
D O I：
10.1021/cm801932u
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 to prepare homogeneous aqueous suspension of chemically modified graphene sheet having good electrical conductivity, is presented. The control of chemistry of graphene oxide sheets can affect the properties of individual graphene sheets and graphene-based materials like composites and thin films. A highly conductive graphene composite was prepared by reducing chemically modified graphene oxide with polystyrene. The study used KOH to prepare an aqueous homogeneous suspension containing conducting chemically modified graphene sheets (CMG) from a precursor dispersion of graphene oxide in water. A chemical reaction of graphene oxide sheets suspended in water with KOH and hydrazine was performed during the experiment. A homogeneous suspensions of electrically conductive graphene sheets was prepared during the study.
引用
收藏
页码：6592 / 6594
页数：3
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