In Situ Low-Temperature Chemical Bath Deposition of CdS Thin Films without Thickness Limitation: Structural and Optical Properties

Table 4

The band gap values in eV of the prepared CdS thin films as a function of the number of runs and deposition time.

CdS films	1 min	5 min	15 min
1 run	2.62	2.44	2.45
2 runs	2.49	2.43	2.44
3 runs	2.45	2.42	2.43
4 runs	2.43	2.42	2.42
5 runs	2.42	2.41	2.42