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Stable nanocrystalline zirconia sols prepared by a novel method: Alcohol thermal synthesis

Published online by Cambridge University Press:  31 January 2011

Junping Zhao ,
Wenhao Fan ,
Dong Wu  and
Yuhan Sun
Junping Zhao
Affiliation:
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, 030001, People's Republic of China
Wenhao Fan
Affiliation:
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, 030001, People's Republic of China
Dong Wu
Affiliation:
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, 030001, People's Republic of China
Yuhan Sun*
Affiliation:
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P.O. Box 165, Taiyuan, 030001, People's Republic of China
*
a)Address all the correspondence to this author.SKLCC@public.ty.sx.cn
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Abstract

Nanocrystalline zirconia sols with a metastable cubic phase were synthesized from diglycol-modified zirconium n-propoxide via a novel method, alcohol thermal synthesis. The chemical bonding of diglycol with zirconium was found to be important in obtaining stable nanocrystalline zirconia sols. Sols produced in this way were translucent with the primary particles of 4-nm crystallites, and the corresponding gel was shown to be mesoporous with a pore size from 2.5 to 3.8 nm and Brunauer—Emmett—Teller surface areas between 130 and 266 m2 g−1. This indicates that alcohol thermal synthesis shares the advantages of both the sol-gel process and hydrothermal synthesis.

Type
Articles
Information
Journal of Materials Research , Volume 15 , Issue 2 , February 2000 , pp. 402 - 406
Copyright
Copyright © Materials Research Society 2000

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