Issue 45, 2014
From the journal:

RSC Advances

Preparations and characterizations of γ-Ce2S3@SiO2 pigments from precoated CeO2 with improved thermal and acid stabilities

Shiyong Yu,a   Dongri Wang,a   Yi Liu,a   Zhao Li,a   Xiaofei Zhang,a   Xuena Yang,a   Yufei Wang,a   Xiaojing Wanga  and  Haiquan Su*a  

* Corresponding authors

a Inner Mongolia Key Laboratory of Chemistry and Physics of Rare Earth Materials, School of Chemistry and Chemical Engineering, Inner Mongolia University, Inner Mongolia, Hohhot 010021, China
E-mail: haiquansu@yahoo.com
Tel: +976 0471 4992981

Abstract

A series of γ-Ce2S3@SiO2 pigments are prepared successfully by sulfurizing their corresponding precoated CeO2 with different thicknesses of SiO2 shell. Properties of the samples are investigated by X-ray diffraction (XRD), transmission electron microscopy (TEM), thermogravimetric (TG) analysis and a spectrophotometer. The results show that when a well controlled thickness of SiO2 coated CeO2 is used as a precursor, γ-Ce2S3 nanoparticles with excellent properties are obtained. With the shell thickness increasing, the colours of the samples are expanded from red to orange to yellow. At the same time, the thermal and acid stabilities are also improved gradually.

Graphical abstract: Preparations and characterizations of γ-Ce2S3@SiO2 pigments from precoated CeO2 with improved thermal and acid stabilities

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Article information

DOI
https://doi.org/10.1039/C4RA02866J
Article type
Paper
Submitted
01 Apr 2014
Accepted
08 May 2014
First published
13 May 2014

RSC Adv., 2014,4, 23653-23657

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Preparations and characterizations of γ-Ce2S3@SiO2 pigments from precoated CeO2 with improved thermal and acid stabilities

S. Yu, D. Wang, Y. Liu, Z. Li, X. Zhang, X. Yang, Y. Wang, X. Wang and H. Su, RSC Adv., 2014, 4, 23653 DOI: 10.1039/C4RA02866J

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