Hydrothermal synthesis and selective photocatalytic properties of tetragonal star-like ZrO2 nanostructures

Zhanxia Shu; Xiuling Jiao; Dairong Chen

doi:10.1039/C3CE40234G

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Hydrothermal synthesis and selective photocatalytic properties of tetragonal star-like ZrO₂ nanostructures†

Zhanxia Shu,^ab Xiuling Jiao*^a and Dairong Chen*^a

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* Corresponding authors

^a School of Chemistry & Chemical Engineering, National Engineering Research Center for Colloidal Materials, Shandong University, Jinan 250100, P. R. China
E-mail: jiaoxl@sdu.edu.cn

^b Department of Applied Chemistry, College of Science, China Agriculture University, Beijing 100193, P. R. China

Abstract

Tetragonal star-like ZrO₂ nanostructures were prepared using ZrOCl₂·8H₂O and CH₃COONa as raw materials via a hydrothermal process. The zirconia nanostructures were investigated in detail by X-ray diffraction (XRD), transmission electron microscopy (TEM), high-resolution TEM (HR-TEM), infrared (IR) spectrum, thermal-gravimetry (TG) and other techniques, and possible formation mechanism was proposed. In the formation of the tetragonal star-like zirconia nanostructures, acetate played an important role due to the adsorption on certain of the crystal's facets. Tetragonal star-like zirconia showed excellent selective photocatalytic activity for the photodegradation of anionic dyes (methyl orange, congo red and rhodamine B) in acidic, neutral and weak basic aqueous solutions.

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Article information

DOI: https://doi.org/10.1039/C3CE40234G
Article type: Paper
Submitted: 04 Feb 2013
Accepted: 15 Mar 2013
First published: 15 Mar 2013

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CrystEngComm, 2013,15, 4288-4294

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Hydrothermal synthesis and selective photocatalytic properties of tetragonal star-like ZrO₂ nanostructures

Z. Shu, X. Jiao and D. Chen, CrystEngComm, 2013, 15, 4288 DOI: 10.1039/C3CE40234G

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