Table 5.

The open-circuit photovoltage (V_oc), fill factor (FF), short-circuit photo-current density (J_sc), conversion efficiency (η) of the solar cells singly-sensitized and co-sensitized, and the spectral separation (S) and one-electron oxidation potential (E_ox) of the sensitizers.

Principal and Co-sensitizers	Voc/V	FF	Jsc(Av)rJsc/mA·cm−2			η(Av)rη/%			$\frac{{}^r{J}_{sc}+{}^r\eta }{2} \mathbf{\text{S}}$S		Eox/Vvs
Phe a (a-type) a-type	0.56	0.68	9.0			3.4					1.16
Mg-Phe a	0.51	0.70	4.4			1.6					0.79
co-sensitization	0.50	0.69	5.6	(6.7)	0.83	1.9	(2.5)	0.79	0.8	41
Phe y	0.49	0.70	5.2			1.8					1.19
co-sensitization b-type	0.50	0.68	6.8	(7.1)	0.36	2.3	(2.6)	0.92	0.9	62
Phe b	0.53	0.70	4.6			1.7					1.24
co-sensitization c-type	0.57	0.68	10.9	(6.8)	1.60	4.3	(2.6)	1.65	1.6	39
Zn-Phe c1	0.62	0.63	10.4			4.0					1.16
co-sensitization	0.60	0.69	11.9	(9.7)	1.23	5.0	(3.7)	1.35	1.3	80
Mg-Phe c2 (Chl c2)	0.58	0.66	9.9			3.8					1.06
co-sensitization	0.60	0.64	14.0	(9.5)	1.47	5.4	(3.6)	1.50	1.5	95

The ratio of J_sc: ${}^r{J}_{sc} = \frac{J_{sc}(A-B)}{\{J_{sc}(A)+J_{sc}(B)\}/2}$; The ratio of η: ${}^r\eta = \frac{\eta (A-B)}{\{\eta (A)+\eta (B)\}/2}$