Preparation of La1-xCexNiO3 (x=0 ∼ 0.4) Perovskite-Type Oxide by Sol-Gel Using Polyvinyl Alcohol

被引：1

作者：

Soongprasit, Kanit ^{[1
,2
]}

Aht-Ong, Duangdao ^{[1
,2
]}

Sricharoenchaikul, Viboon ^{[3
]}

Atong, Duangduen ^{[4
]}

机构：

[1] Chulalongkorn Univ, Fac Sci, Dept Mat Sci, Bangkok 10330, Thailand

[2] Chulalongkorn Univ, Res Unit Adv Ceram & Polymer Mat, Natl Ctr Excellence Petr Petrochem & Adv Mat, Bangkok 10330, Thailand

[3] Chulalongkorn Univ, Fac Engn, Dept Environm Engn, Bangkok 10330, Thailand

[4] Thailand Sci Pk, Natl Met & Mat Technol Ctr, Klongluang 12120, Thailand

来源：

HIGH-PERFORMANCE CERAMICS VI | 2010年 / 434-435卷

关键词：

catalyst; perovskite; sol-gel; PVA;

D O I：

10.4028/www.scientific.net/KEM.434-435.442

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Perovskite-type oxides catalyst are of interest for various application such as auto-thermal reforming (ART), catalytic wet air oxidation (CWOA) and piezoelectric (PZT). In this paper, La1-xCexNiO3 (x =0-0.4) perovskite-type oxides have been prepared b sol-gel process using PVA. The precursor was mixed metal ion and PVA with a mole ratio of 1:1 and 1:2. The decomposition during the calcinations process was evaluated by thermogravimetric analysis and differential thermal analysis. Phase of synthesized materials were characterized with X-ray diffraction. Morphological analysis and elemental composition of catalysts was determined by Scanning electron microscope and energy dispersion spectroscopy. The characterization results show that highly crystalline and homogeneous phase of these perovskite oxides were successfully synthesized by the sol-gel method via PVA as a complexing agent.

引用

页码：442 / +

页数：2

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