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Effect of thickness on H2gas sensitivity of SnO2nanoparticle-based thick film resistors

✍ Scribed by S. G. Ansari; P. Boroojerdian; S. K. Kulkarni; S. R. Sainkar; R. N. Karekar; R. C. Aiyer

Publisher
Springer US
Year
1996
Tongue
English
Weight
353 KB
Volume
7
Category
Article
ISSN
0957-4522

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✦ Synopsis

The effect of thickness on the p.p.m, level H2 gas sensitivity of SnO2 nanoparticle-based thick film resistors is reported. The nanoparticles are synthesized by a sol-gel method and the films are prepared using standard screen printing technology. The thickness of the films is varied from a few micrometers to a few hundred micrometers. The results indicate that the sample having thickness 76#m gives the maximum sensitivity. The mechanism of the change in sensitivity with thickness is discussed.

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The effect of humidity on the d.c. resistance of an SnO,:Sb:SnCI, thick-film planar resistor on an alumina substrate is reported. The lilms of SnO, are obtained using standard screen-printing technology. The thick-film paste is formulated by loading the SnO,:Sb system with varying percentages of S&I