Effect of Deposition Time on the Optoelectronics Properties of PbS Thin Films Obtained by Microwave-Assisted Chemical Bath Deposition

Table 3

Electrical parameters of PbS thin films.

Sample	σ; ( 10^2 Ω^−1 m^−1)		S; (μV K^−1)	p; (10^23 m^−3)	(10^−2 m^2 V^−1 s^−1)
	Dark	Illumination
2 min	1.13	1.30	15	8.5	0.13
3 min	0.18	0.23	18	8.1	0.03
4 min	0.13	0.14	19	8.0	0.02