Microstructural, optical and electrical properties of annealed ZnO:Al thin films

► Effects of annealing atmosphere and temperature on opto-electronic properties. ► Effects of annealing atmosphere and temperature on structural properties. ► Transport mechanisms with temperature-dependent carrier concentration and conductivity. ► Structural properties studied by Raman spectroscopy and X-ray diffraction technique. ► Improvement of Hall mobility, resistivity and optical properties.