High Efficiency of Dye-Sensitized Solar Cells Based on Ruthenium and Metal-Free Dyes

Table 2

Photovoltaic parameters of the DSSCs with N719 : 4L in different molar ratios under AM 1.5 G sunlight^a.

	Dyestuff coadsorbent molar ratio	𝐽sc (mA cm^−2)	𝑉oc (V)	FF	𝜂 (%)
Device A	N719	15.65	0.76	0.70	8.36
Device B	N719-4L; 1 : 0.25	16.39	0.77	0.70	8.83
Device C	N719-4L; 1 : 0.50	15.27	0.76	0.71	8.21
Device D	N719-4L; 1 : 1	15.72	0.75	0.69	8.10

aPerformances of DSSCs were measured with 0.25 cm² working area.