Issue 20, 2011
From the journal:

CrystEngComm

A controllable hydrothermal synthesis of uniform three-dimensional hierarchical microstructured ZnO films

Yangang Sun,ab   Rujia Zou,a   Wenyao Li,a   Qiwei Tian,a   Jianghong Wu,a   Zhigang Chena  and  Junqing Hu*a  

* Corresponding authors

a State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, China
E-mail: hu.junqing@dhu.edu.cn

b College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, China

Abstract

ZnO films composed of uniform three-dimensional (3D) hierarchical microstructures on the conductive glass were synthesized by a one-step polyethylene glycol-assisted hydrothermal route with excellent reproducibility. The morphology of the ZnO hierarchical structured films was controlled by adjusting hydrothermal reaction conditions, i.e., time, temperature, reactant concentration, Zn source and surfactant. A specific growth mechanism for the ZnO hierarchical microstructured films is proposed, and the hydrothermal time is found to be a crucial role in the formation of the hierarchical structures either from the initial nucleation and growth of the primary rods or secondary/tertiary nucleation and growth on the the column facets of the primary rods. As-fabricated ZnO films show a strong photoluminescence emission peak at 435 nm, and a superhydrophobic adhesive surface with a water contact angle of 154.1° and a high contact angle hysteresis.

Graphical abstract: A controllable hydrothermal synthesis of uniform three-dimensional hierarchical microstructured ZnO films

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Article information

DOI
https://doi.org/10.1039/C1CE05159H
Article type
Paper
Submitted
02 Feb 2011
Accepted
29 Jun 2011
First published
15 Aug 2011

CrystEngComm, 2011,13, 6107-6113

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A controllable hydrothermal synthesis of uniform three-dimensional hierarchical microstructured ZnO films

Y. Sun, R. Zou, W. Li, Q. Tian, J. Wu, Z. Chen and J. Hu, CrystEngComm, 2011, 13, 6107 DOI: 10.1039/C1CE05159H

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