Abstract
Zinc oxide (ZnO) is widely used for its capability to detect gases. There are several known methods to synthetize and deposit ZnO for gas sensor applications. We have developed a new process based on ZnO nanoparticles from Sigma Aldrich manufacturer deposited by an inkjet technique. The process achieved is based on stable ZnO nanoparticles ink obtained by mixing 10% weight of commercial powder with diethylene glycol (DEG). This ink has been deposited on Pamela Yoboue et al. 56 a microhotplate that can operate up to 550°C with a low power of consumption (less than 60mW). The gas tests presented in this article show good results concerning the sensor response and its stability in the presence of gases.
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