Effects of Film Thickness on the Gas Sensitivity of SnO_2 Thick Film Sensors
Source abstract
Abstract
The effects of film thickness on the gas-sensing properties of SnO2 thick film sensors were explored by measuring the ethanol gas sensitivity, the variations in resistance with temperature and analyzing the complex impedance plots. The nanoparticles were synthesized by chemical precipitation method and films were prepared by standard screen printing technology. The results showed that the sample having 65μm thickness gave the maximum sensitivity. Changes in sensitivity with thickness might be caused by changes in the state of films, such as the number and the width and depth of the pores.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Gas Sensing Nanomaterials and Sensors · Advanced Sensor and Control Systems · Analytical Chemistry and Sensors
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