Microstructural, electrophysical and gas-sensing properties of CeO2-Y2O3 thin films obtained by the sol-gel process

被引：35

作者：

Simonenko, Tatiana L. ^{[1
,2
]}

Simonenko, Nikolay P. ^{[1
]}

Mokrushin, Artem S. ^{[1
]}

Simonenko, Elizaveta P. ^{[1
]}

Glumov, Oleg V. ^{[3
]}

Mel'nikova, Natalia A. ^{[3
]}

Murin, Igor V. ^{[3
]}

Kalinina, Marina V. ^{[2
]}

Shilova, Olga A. ^{[2
,4
]}

Sevastyanov, Vladimir G. ^{[1
]}

Kuznetsov, Nikolay T. ^{[1
]}

机构：

[1] Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, 31 Leninsky Pr, Moscow 119071, Russia

[2] Russian Acad Sci, Grebenshchikov Inst Silicate Chem, 2 Nab Makarova, St Petersburg 199034, Russia

[3] St Petersburg State Univ, 7-9 Univ Skaya Nab, St Petersburg 199034, Russia

[4] Ulyanov Lenin LETI St Petersburg State Electrotec, 5 UL Prof Popova, St Petersburg 197376, Russia

来源：

CERAMICS INTERNATIONAL | 2020年 / 46卷 / 01期

基金：

俄罗斯科学基金会;

关键词：

Sol-gel synthesis; Thin film; CeO2; YDC solid electrolyte; Planar SOFC; Gas sensor; ROOM-TEMPERATURE FERROMAGNETISM; LIQUID-PHASE SYNTHESIS; PHYSICOCHEMICAL PROPERTIES; ELECTRICAL-PROPERTIES; STRUCTURAL-CHARACTERIZATION; OPTICAL-PROPERTIES; MIXED OXIDES; CEO2; CERIA; NANOPOWDERS;

D O I：

10.1016/j.ceramint.2019.08.241

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：

Nanopowders and thin films of (CeO2)(1-x)(Y2O3)(x) composition (x = 0.10, 0.15 and 0.20) were obtained by the sol-gel process, using hydrolytically active complexes of the metal alkoxoacetylacetonate class [M(C5H7O2)(3-y)(C5H11Oi)(y)] (M = Ce3+ and Y3+) as precursors. The impact of the chemical composition and crystallization conditions on the microstructure, electrophysical and chemosensory characteristics of the obtained planar-type solid electrolytes was studied. The prospects of the thin-film nanostructures obtained as receptor components of resistive oxygen sensors, as well as of electrolytes of planar-type intermediate-temperature solid oxide fuel cells (SOFC) have been shown. It has been found that (CeO2)(0.90)(Y2O3)(0.10) thin films demonstrate the maximum values of electrical conductivity (550 degrees C) and the highest sensory response when detecting oxygen (concentration range 1-20%, operating temperature range 300-450 degrees C).

引用

页码：121 / 131

页数：11

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