Effect of PVA addition on formation of spray-deposited Sm0.5Sr0.5CoO3 thin films on CeO2 substrates

被引：2

作者：

Pawar, S. S. ^{[1
,2
]}

Shinde, K. P. ^{[1
,2
]}

Joshi, R. S. ^{[1
]}

Kalubarme, R. S. ^{[1
]}

Bhosale, A. G. ^{[1
]}

Pawar, S. H. ^{[1
,2
]}

机构：

[1] Shivaji Univ, Dept Phys, Kolhapur 416004, Maharashtra, India

[2] DY Patil Univ, Kolhapur 416006, MS, India

来源：

IONICS | 2010年 / 16卷 / 07期

关键词：

Material synthesis; Perovskites; Cathode; DC conductivity; CATHODE MATERIALS; ELECTROLYTE; SR;

D O I：

10.1007/s11581-010-0445-y

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Nano-crystalline films of Sm0.5Sr0.5CoO3 (SSC) have been formed on CeO2 substrates by spraying stoichiometric aqueous solution containing Sm, Sr, and Co ions. Effect of polyvinyl alcohol (PVA) addition as a complexing agent in spray solution on stoichiometry, crystallite size, morphology, and transport properties of film are studied. The results showed that the SSC cathode had maximum crystallite size for 40% PVA addition. Electrical performance of film decreases with decrease in the particle size, while the electronic to ionic predominance transition temperature decreases with decreasing particle size. These films are studied for their potential application as a cathodic material in developing intermediate temperature solid oxide fuel cells.

引用

页码：649 / 654

页数：6

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