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A Method for Integrating ZnO Coated Nanosprings into a Low Cost Redox-Based Chemical Sensor and Catalytic Tool for Determining Gas Phase Reaction Kinetics
A chemical sensor (chemiresistor) was constructed from a xenon light bulb by coating it with a 3-D zinc oxide coated silica nanospring mat, where the xenon light bulb serves as the sensor heater. The sensor response to toluene as a function of xenon light bulb sensor temperature (T LB ) and vapor temperature (T V ) was observed and analyzed. The optimum operational parameters in terms of T LB and T V were determined to be 435 °C and 250 °C, respectively. The activation energy of toluenedoi:10.3390/chemosensors2010056 fatcat:lkx64372qbdr7bik2lrh467jvu