Fabrication of porous tin dioxide with enhanced gas-sensing performance toward NOx
Source abstract
Abstract
A novel approach for preparing porous tin dioxide material by sol–gel hard template method was proposed in this study. The aerogel technology was used to synthesize the porous SnO2 and improve the porosity. The prepared material possesses excellent gas-sensing performance to NOx at room temperature, which has high sensitivity, excellent selectivity and fast response time. At room temperature, the maximum value toward 100 ppm NOx gas gets to 54%, and corresponding response time is only 19.5 s. The response time of the prepared sensor always remains within 26 s in NOx concentration ranging from 5 to 100 ppm. In the meantime, the response and response time for NOx at 5 ppm (the lowest detectable of the sensor) are 40% and 26 s, respectively. The prepared material can be used as a matrix material for gas-sensoring composites and has a very good development prospect in gas sensors’ field.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Gas Sensing Nanomaterials and Sensors · Analytical Chemistry and Sensors · Advanced Chemical Sensor Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (49)
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