Shaping films of BaSnO3 and their use as O2 and CO sensor

Y. OCHOA; F. SCHIPANI; C. M. ALDAO; M. A. PONCE; J. E. RODRIGUEZ-PAEZ

Badajoz

Congreso; LIV Congreso de la Sociedad Española de Cerámica y Vidrio; 2014

Sociedad Española de Cerámica y Vidrio

In this work, we synthesized BaSnO3 using two chemical methods: controlled precipitation and Pechini. Later, we determined the best condition to obtain the mixedoxides. This powder was mixed with glycerin obtaining a paste that we put over an alumina substrate. With the obtained powders thin films were prepared using thescreen printing technique. The films were thermally treated up to 100°C for 12 hours. Finally, these treated films were tested to determine their ability as gassensor. In order to analyze the films electrical behaviors, samples were exposed to O2 and CO atmospheres. Films conformed with Pechinis?s method powdersshowed a greater sensibility in presence of a CO atmosphere.