Optical Properties of Al- and Sb-Doped CdTe Thin Films

Table 1

Values of 𝐸_𝑔, 𝑘_𝑒, n, 𝜀_𝑟, and 𝜀_𝑖 for undoped and doped CdTe thin films deposited with 𝑇_𝑠 = RT and 423 K at 𝜆 = 0.82 𝜇m.

CdTe thin film	𝑇𝑠	𝐸𝑔	𝑘𝑒	n	𝜀𝑟	𝜀𝑖
Undoped	RT	1.57	0.069	2.559	6.544	0.353
	423	1.54	0.062	2.588	6.694	0.321
Doped with
0.5% Al	RT	1.54	0.070	2.565	6.574	0.359
	423	1.52	0.085	2.599	6.747	0.442
1.5% Al	RT	1.49	0.072	2.614	6.828	0.376
	423	1.51	0.087	2.607	6.789	0.454
2.5% Al	RT	1.46	0.096	2.699	7.275	0.518
	423	1.50	0.103	2.636	6.938	0.543
0.5% Sb	RT	1.53	0.084	2.625	6.884	0.441
	423	1.50	0.094	2.631	6.913	0.495
1.5% Sb	RT	1.48	0.107	2.642	6.969	0.565
	423	1.49	0.118	2.634	6.924	0.622
2.5% Sb	RT	1.44	0.135	2.704	7.293	0.730
	423	1.47	0.160	2.649	6.992	0.848