Issue 6, 2010

Decorating graphene oxide with CuOnanoparticles in a water–isopropanol system

Abstract

A facile chemical procedure capable of aligning CuO nanoparticles on graphene oxide (GO) in a waterisopropanol system has been described. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) observations indicate that the exfoliated GO sheets are decorated randomly by spindly or spherical CuO nanoparticle aggregates, forming well-ordered CuO:GO nanocomposites. A formation mechanism of these interesting nanocomposites is proposed as intercalation and adsorption of Cu2+ ions onto the GO sheets, followed by the nucleation and growth of the CuO crystallites, which in return resulted in the exfoliation of GO sheets. Moreover, the obtained nanocomposites exhibit a high catalytic activity for the thermal decomposition of ammonium perchlorate (AP), due to the concerted effect of CuO and GO.

Graphical abstract: Decorating graphene oxide with CuO nanoparticles in a water–isopropanol system

Article information

Article type
Paper
Submitted
17 дек. 2009
Accepted
22 фев. 2010
First published
27 апр. 2010

Nanoscale, 2010,2, 988-994

Decorating graphene oxide with CuO nanoparticles in a waterisopropanol system

J. Zhu, G. Zeng, F. Nie, X. Xu, S. Chen, Q. Han and X. Wang, Nanoscale, 2010, 2, 988 DOI: 10.1039/B9NR00414A

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