Sol-gel synthesis of sterically stabilized zirconia nanoparticles

被引：0

作者：

Shukla, S ^{[1
]}

Seal, S ^{[1
]}

机构：

[1] Univ Cent Florida, Adv Mat Proc & Anal Ctr, Orlando, FL 32816 USA

来源：

SURFACE ENGINEERING: IN MATERIALS SCIENCE II | 2003年

关键词：

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Submicron-sized, monodispersed zirconia (ZrO2) particles as well as zirconia nanoparticles are synthesized using sol-gel technique involving hydrolysis of zirconium (IV) n-propoxide in anhydrous ethanol solution. ZrO2 nanoparticles synthesized using the present technique are sterically stabilized using hydroxypropyl cellulose (HPC) polymer. The effect of various processing parameters viz. 'R' ([water]: [alkoxide]) and HPC concentration ([HPC]) on the average nanoparticle size, their agglomeration, and phase evolution behavior is investigated. The as-synthesized and calcined zirconia nanoparticles are characterized using transmission electron microscopy (TEM) and x-ray diffraction (XRD). The different mechanisms responsible for stabilizing metastable-tetragonal phase in nano-sized ZrO2 particles, under different processing conditions; are discussed.

引用

页码：31 / 40

页数：10

共 11 条

[1] SOL-GEL SYNTHESIS OF CRYSTALLINE ZRO2 WITH PARTIAL REPLACEMENT OF ZIRCONIUM BY AL, NB, SI AND TA .2. [J].