Issue 23, 2012
From the journal:

CrystEngComm

Mesoporous ZnS hierarchical nanostructures: facile synthesis, growth mechanism and application in gas sensing†

Ruimin Xing,a   Yan Xue,b   Xiaoqiang Liu,a   Baoshun Liu,c   Baoji Miao,d   Wenzhe Kanga  and  Shanhu Liu*a  

* Corresponding authors

a Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475001, P.R. China
E-mail: shanhuliu@henu.edu.cn
Tel: +86-378-3881589

b Xinxiang University, Xinxiang 453003, P.R. China

c State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan City, Hubei Province 430070, China

d School of Materials Science and Engineering, Henan University of Technology, Zhengzhou, P.R.China

Abstract

Mesoporous zinc sulfide hierarchical nanostructures were prepared in the presence of polyvinylpyrrolidone aqueous solution via a low-cost, hydrothermal route. Field-emission scanning electron microscopy, transmission electron microscopy, X-ray powder diffraction, N2 adsorption–desorption analysis, and thermal gravimetric analysis were used to characterize the morphology, structure and composition of the products. Results show that the products exhibit a kind of hierarchical structure with mesoporous features which consist of smaller building blocks (ca. 30 nm) assembled together. The effects of a series of reaction parameters on the morphology of ZnS nanostructures have been studied systematically. A plausible mechanism based on coordination nucleation and subsequent Ostwald ripening is proposed. By virtue of the interesting porous structure, a chemical sensor was fabricated. The sensor exhibits attractive gasoline sensing behavior with excellent selectivity and fast response.

Graphical abstract: Mesoporous ZnS hierarchical nanostructures: facile synthesis, growth mechanism and application in gas sensing

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Supplementary files

Article information

DOI
https://doi.org/10.1039/C2CE26269J
Article type
Paper
Submitted
09 Aug 2012
Accepted
31 Aug 2012
First published
03 Sep 2012

CrystEngComm, 2012,14, 8044-8048

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Mesoporous ZnS hierarchical nanostructures: facile synthesis, growth mechanism and application in gas sensing

R. Xing, Y. Xue, X. Liu, B. Liu, B. Miao, W. Kang and S. Liu, CrystEngComm, 2012, 14, 8044 DOI: 10.1039/C2CE26269J

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