تاثير تغير سمك الاغشية الرقيقة (ZnO) على فجوة الطاقة البصرية

Thin film of ZnO have been prepared using chemical spray paralysistechnique.It was found that all the prepared films have a direct allowed andforbidden transition. 'Ihe increase in thickness lead to an increase inabsorbance and decrease in the value ofthe forbidden energy gap.