ZnO is a II-VI compound semiconductor with a direct band gap of 3.37 eV at room temperature and crystallizes in hexagonal wurtzite structure [1]. It exhibits strong n-type conductivity and has good ...

Zinc oxide (ZnO) is a widely used inorganic compound, with applications in pigments, ceramics, medicines, and sunscreens. In recent years, it has been used as a wide–band gap semiconductor for optical ...