Al-doped ZnO Gas Sensors Toward Safe and Effective Monitoring in Protected Environments

In environmentally fragile settings, harmful gases may put both human health and sensitive materials at risk. Indeed, effective monitoring of hazardous compounds must be conducted without affecting the surroundings. In these circumstances, visible-light photoactivated metal-oxide semiconductor gas sensors are a suitable alternative to their thermoactivated counterparts. Al-doped ZnO emerges as a promising material for more sustainable gas sensors in such applications.