Effective Sol-Gel Nanocoatings on ZnO Electrodes for Suppressing Recombination in Dye-Sensitized Solar Cells

Table 1

The cell performance of the DSSCs using the uncoated and the coated ZnO electrodes [2, 3].

Electrode	𝑉OC (V)	𝐽SC (mA cm^−2)	ff (−)	𝜂 (%)	Dye adsorption (10^−7mol cm^−2)
Uncoated	0.683	11.59	0.578	4.57	1.08
Uncoated/heated	0.718	7.11	0.535	2.73	0.55
SiO2 coated	0.724	12.05	0.550	4.80	0.89
Nb2O5 (10 mM) coated	0.712	12.42	0.587	5.19	0.76
Nb2O5 (20 mM) coated	0.741	10.67	0.549	4.34	1.12
Nb2O5 (30 mM) coated	0.755	9.43	0.577	4.10	1.02
TiO2 (10 mM) coated	0.729	9.18	0.503	3.37	0.92
TiO2 (20 mM) coated	0.730	10.01	0.512	3.74	0.92
TiO2 (30 mM) coated	0.730	9.54	0.501	3.49	0.88
ZrO2 (10 mM) coated	0.765	7.71	0.570	3.36	1.01
ZrO2 (30 mM) coated	0.746	9.53	0.545	3.87	1.09
ZrO2 (50 mM) coated	0.746	9.16	0.551	3.77	0.94