On the synthesis of yttria-stabilized zirconia: a comparative study

被引：40

作者：

Zarkov, Aleksej ^{[1
]}

Stanulis, Andrius ^{[1
]}

Sakaliuniene, Jolita ^{[2
]}

Butkute, Skirmante ^{[1
]}

Abakeviciene, Brigita ^{[2
,3
]}

Salkus, Tomas ^{[4
]}

Tautkus, Stasys ^{[1
]}

Orliukas, Antanas F. ^{[4
]}

Tamulevicius, Sigitas ^{[2
]}

Kareiva, Aivaras ^{[1
]}

机构：

[1] Vilnius Univ, Fac Chem, LT-03225 Vilnius, Lithuania

[2] Kaunas Univ Technol, Inst Mat Sci, LT-50131 Kaunas, Lithuania

[3] Kaunas Univ Technol, Dept Phys, LT-51368 Kaunas, Lithuania

[4] Vilnius Univ, Fac Phys, LT-10222 Vilnius, Lithuania

来源：

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 2015年 / 76卷 / 02期

关键词：

YSZ; Ceramics; Solid oxides; Sol-gel; Thin films; YSZ THIN-FILMS; OXIDE FUEL-CELLS; THERMAL-DECOMPOSITION; SOLVOTHERMAL SYNTHESIS; SPRAY-PYROLYSIS; OXALATE; DEPOSITION; RELAXATION; NANOPOWDER; BEHAVIOR;

D O I：

10.1007/s10971-015-3778-1

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：

Yttria-stabilized zirconia (YSZ) has been studied as a promising material for application as an electrolyte in solid oxide fuel cells. In this work, YSZ powders ((xY(2)O(3) - (1 - x)ZrO2), x = 5, 8 and 10 mol%) were synthesized by three different methods: co-precipitation, sol-gel combustion and sol-gel. The precursor solution obtained by sol-gel method was successfully applied for chemical solution deposition of YSZ thin films on Si(100)/SiO2 substrates. The thermal behavior of Y-Zr-O precursor gels and precipitated Y-Zr oxalates were investigated by TG-DSC measurements. X-ray diffraction analysis was utilized for the characterization of phase purity and crystallinity. Scanning electron microscopy was employed for the estimation of surface morphology features. The quality of obtained ceramic samples strongly depends on the morphology of initial powders. Electrical properties of synthesized ceramics were studied by means of impedance spectroscopy. The highest ionic conductivity was observed for samples prepared by sol-gel combustion synthesis route. [GRAPHICS] .

引用

页码：309 / 319

页数：11

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