Tunable d-spacing of dry reduced graphene oxide nanosheets for enhancing re-dispersibility in organic solvents

被引：5
|
作者：
Chen, He [1 ]
Qi, Chunhong [1 ]
Shen, Luyan [1 ]
Fu, Qiang [1 ,2 ]
Wang, Zhiqiang [1 ]
Xiong, Zhiyuan [3 ]
Sun, Youyi [1 ]
Liu, Yaqing [1 ]
机构：
[1] North Univ China, Shanxi Prov Key Lab Funct Nanocomposites, Taiyuan 030051, Peoples R China
[2] Univ Technol Sydney, Sch Civil & Environm Engn, Ultimo, NSW 2007, Australia
[3] Univ Melbourne, Dept Chem & Biomol Engn, Melbourne, Vic 3010, Australia
来源：
APPLIED SURFACE SCIENCE | 2020年 / 531卷
基金：
中国国家自然科学基金;
关键词：
rGO nanosheet; Tunable d-spacing; Green synthesis; Re-dispersibility; MD; STABILITY; SHEETS; PVP;
D O I：
10.1016/j.apsusc.2020.147375
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：
The reduced graphene oxide (rGO) nanosheets were modified by using polymeric nanospheres to adjust the d spacings between dry rGO nanosheets. The experimental and computational studies show that the incorporation of polymeric nanospheres can effectively increase the d-spacing between dry rGO nanosheets, and meanwhile provide good compatibility of rGO with organic solvents. Specifically, when the d-spacing between nanosheets is greater than 14.0 nm, the dried rGO nanosheets can be well redispersed and stabilized in various organic solvents. This study thus provides a new technology that can produce dry rGO nanosheets with good re-dispersibility and stability in various organic solvents on a large-scale in a more environmental friendly manner.
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收藏
页数：9
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