Rootlike Morphology of ZnO:Al Thin Film Deposited on Amorphous Glass Substrate by Sol-Gel Method

Table 2

Root diameter, Al/Zn composition, and energy gap of thin films.

Sample name	Root diameter (µm)	Al/Zn in solution	Al/Zn incorporated	Energy gap (eV)
ZnO	0.482	0	0	3.102
ZA2	0.227	0.02	0.01	3.115
ZA4	0.377	0.04	0.02	3.118
ZA6	0.219	0.06	0.03	3.115
ZA8	0.375	0.08	0.03	3.109
ZA10	0.288	0.10	0.03	3.109