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Metal oxides currently constitute the most investigated groups of gas sensors. Among various metal oxides, tin-oxide has
emerged as one of the potential candidate due to high conductivity coupled with high sensitivity to both oxidizing and
reducing gases. In this context, attempts are made to deposit thin film of tin-oxide doped with antimony by spray
pyrolysis technique on glass substrate which were heated at 375°C. The concentration of antimony was increased from
0.01% to 1%. The films obtained were blackish in color. The XRD pattern shows characteristic tin-oxide peaks with
tetragonal structure. The NO2 gas sensing properties were investigated at 250°C, it showed maximum sensitivity for the
SnO2:Sb films with 1% Sb concentration.
P. S. Joshi,D. S. Sutrave,S. M. Jogade, andB. N. Jamadar
"Structural and gas sensing properties of sprayed
antimony doped tin oxide thin films", Proc. SPIE 8549, 16th International Workshop on Physics of Semiconductor Devices, 85490Y (15 October 2012); https://doi.org/10.1117/12.926870
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P. S. Joshi, D. S. Sutrave, S. M. Jogade, B. N. Jamadar, "Structural And Gas Sensing Properties of Sprayed Antimony Doped Tin-Oxide Thin Films.," Proc. SPIE 8549, 16th International Workshop on Physics of Semiconductor Devices, 85490Y (15 October 2012); https://doi.org/10.1117/12.926870