Coating of LaCoO3 thin film with sol-gel dip coating method

被引：1
|
作者：
Okuyucu, Hasan [1 ]
Dahl, Paul Inge [2 ]
Einarsrud, Mari Ann [2 ]
机构：
[1] Gazi Univ, Fac Tech Educ, TR-06500 Ankara, Turkey
[2] Norwegian Univ Sci & Technol, Dept Mat Sci & Engn, NO-7491 Trondheim, Norway
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2008年 / 8卷 / 02期
关键词：
LaCoO3; sol-gel; SOFC; coating;
D O I：
10.1166/jnn.2008.A052
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
LaCoO3 thin film was coated on Al2O3 single crystal by sol-gel route. Appropriate composition of precursors, chelating agents and the solvent put together into a flask and magnetically stirred on a magnetic stirrer. After having the red transparent solution, it was stirred for 12 hours before coating. Ultrasonically cleaned substrate is dipped into the solution and taken immediately into vertical furnace which is preheated at 550 degrees C. A dense amorphous film is coated on the substrate. Fired amorphous films are annealed at temperature between 900 degrees C and 1000 degrees C for 20 minutes in the air. Then coated film was characterized by means of XRD, AFM, and SEM. Conductivity of the film was measured to be -0.1819 for 881 degrees C for the log sigma value by assuming the thickness as 1 mu m.
引用
收藏
页码：685 / 688
页数：4
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