Issue 9, 2012

Facile synthesis of flower-like 3D ZnO superstructures via solution route

Abstract

A novel flower-like 3D ZnO superstructure with high uniformity was fabricated on a large scale through a facile aqueous solution route at room temperature. The as-prepared ZnO superstructures with a diameter of about 3 μm are assembled by large amounts of interleaving nanosheets, which have a uniform thickness of about 15 nm and a well-crystalline structure with {10[1 with combining macron]0} planes as basal facets. The hierarchical microstructures, which were formed via a two-stage nucleation–growth process, highly depend on the concentration of NaOH and trisodium citrate dihydrate. The photoluminescence result indicates that the ZnO superstructures possess a relatively strong UV emission. The photodecomposition of methyl orange indicates that such ZnO superstructures possess excellent photocatalytic activity.

Graphical abstract: Facile synthesis of flower-like 3D ZnO superstructures via solution route

Supplementary files

Article information

Article type
Paper
Submitted
08 Oct 2011
Accepted
07 Feb 2012
First published
02 Mar 2012

CrystEngComm, 2012,14, 3199-3204

Facile synthesis of flower-like 3D ZnO superstructures via solution route

Y. Sun, L. Wang, X. Yu and K. Chen, CrystEngComm, 2012, 14, 3199 DOI: 10.1039/C2CE06335B

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