Studies and correlation among the structural, electrical and gas response properties of aerosol spray deposited self assembled nanocrystalline CuO

► Deposition of CuO films by ultrasonic spray pyrolysis technique. ► Comparison of results with literature. ► Effect of substrate temperature on structural, morphological, electrical properties. ► CuO films as room temperature ammonia sensor. ► The kinetics of the ammonia gas adsorption by Elovich Model.