Layer-by-Layer CdS-Modified TiO₂ Film Electrodes for Enhancing the Absorption and Energy Conversion Efficiency of Solar Cells

Table 1

A summary of photovoltaic and photoelectron transport properties of CdS QD-SSCs under AM1.5 condition.

Sample	𝑉OC (V)	𝐽SC (mA cm^−2)	FF (%)	𝜂 (%)	𝑅𝑘 (Ω)	𝑘eff (s^−1)	𝜏eff (s)	𝐷eff×10^8 (cm^2/s)	Film thickness (μm)
TiO2(1)-CdS(1)	0.16	0.91	35.2	0.05	308.75	8.291	0.121	3.770	1.2
TiO2(2)-CdS(2)	0.33	1.71	30.5	0.17	254.86	6.876	0.145	5.331	2.8
TiO2(3)-CdS(3)	0.42	3.58	29.4	0.44	228.15	3.167	0.316	8.251	3.9
TiO2(4)-CdS(4)	0.42	5.40	29.9	0.66	197.18	4.663	0.214	24.193	4.9
TiO2(5)-CdS(5)	0.44	7.12	33.7	1.06	157.33	5.638	0.177	43.264	5.6
TiO2(OS)-CdS	0.31	0.91	37.9	0.11	312.71	6.876	0.145	38.763	5.8