Issue 14, 2013

Controlling the assembly of graphene oxide by an electrolyte-assisted approach

Abstract

In this work, we studied the effects of salts on the self-assembly of two-dimensional graphene oxide (GO) driven by the dissolution of a sub-microliter droplet. Two kinds of structures were obtained. One was a GO snowball with small salt crystals inserted between sheets, which formed with a low initial concentration of insoluble salt in the GO dispersion. The other was a hybrid nanostructure containing NaCl or KCl crystals on a GO snowball, which formed with a high initial salt concentration in the suspension. In addition, we report the novel nanodent-decorated GO snowballs formed by templating the spontaneously formed microdroplets through ouzo effects. Such highly crumpled snowball structures may find applications in super-capacitors or catalyst supports.

Graphical abstract: Controlling the assembly of graphene oxide by an electrolyte-assisted approach

Article information

Article type
Paper
Submitted
08 Mar 2013
Accepted
06 May 2013
First published
10 May 2013

Nanoscale, 2013,5, 6458-6463

Controlling the assembly of graphene oxide by an electrolyte-assisted approach

Y. Song, H. Yang, Y. Wang, S. Chen, D. Li, S. Zhang and X. Zhang, Nanoscale, 2013, 5, 6458 DOI: 10.1039/C3NR01188G

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