Effect of doping in Zn1-xAgxOy nanostructured films on Hydrogen gas response

Abstract

Nanostructured Zn1-xAgxOy films have been deposited using a chemical solution synthesis method. The as-deposited nanostructured films were subjected to thermal annealing in furnace and rapid thermal annealing, for different temperatures and durations of treatment. The morphological, structural, vibrational and chemical proprieties were investigated by scanning electron microscopy (SEM), X-ray diffraction (XRD), micro-Raman spectroscopy and energy dispersive X-ray spectroscopy (EDS) techniques. Effect of silver doping in Zn1-xAgxOy nanostructured films on gas response was investigated. The influence of the thermal annealing, duration and operation temperature on selectivity of sensors was studied and found that annealing at 500 °C for 60 s forms most sensitive nanostructured films.