Synthesis and characterization of ZrO2 hollow spheres

被引：40
|
作者：
Guo, Chenyi [1 ,2 ]
Hu, Peng [1 ]
Yu, Lingjie [1 ]
Yuan, Fangli [1 ]
机构：
[1] Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
来源：
MATERIALS LETTERS | 2009年 / 63卷 / 12期
关键词：
ZrO2 hollow spheres; Sol-gel preparation; Microstructure; COLLOIDAL CARBON SPHERES;
D O I：
10.1016/j.matlet.2008.12.053
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
ZrO2 hollow microspheres with the average diameter of about 500 nm and the shell thickness of about 50 nm were synthesized by a facile technique using carbon spheres as templates. The corresponding ZrO2 hollow microspheres were obtained by calcining the precursors of C-Zr(OH)(4) core-shell heterostructures, which were synthesized with the precipitation of ZrCl4 solution with aqueous ammonia on the surface of colloid carbons. SEM, XRD, TGA and BET were used to characterize the composition, morphology, size and crystal structure of synthesized products. The effects of ultrasonic dispersion and separation process on the hollow spheres were studied, and the surfactant PEG-1000 was added to tune the shell structure of synthesized ZrO2 hollow spheres. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：1013 / 1015
页数：3
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