Photoelectric Properties of DSSCs Sensitized by Phloxine B and Bromophenol Blue

Table 1

Transition energy and oscillator strength of phloxine B and bromophenol blue in solvent were calculated by using TD-DFT/6-31(d) in the solvent.

Dyes	State	(eV)	Absorption peak (nm)	Contribution MO	Strength
Phloxine B	S1	2.63	472	(0.70069)H L	0.7582
	S2	3.00	413	(0.69801)H − 1 L	0.0187
	S3	3.30	376	(0.49261)H − 4 L	0.0015
	S4	3.32	373	(0.53756)H − 2 L	0.0039
	S5	3.56	349	(0.70249)H L + 1	0.0243
	S6	3.64	340	(0.49354)H L + 2	0.0079
Bromophenol blue	S1	4.28	289	(0.69468)H L	0.0322
	S2	4.36	284	(0.69221)H − 1 L	0.0206
	S3	4.53	273	(0.69343)H L + 1	0.0021
	S4	4.61	269	(0.52434)H − 1 L + 1	0.0127
	S5	4.62	231	(0.48364)H − 2 L	0.0148
	S6	4.72	263	(0.60405)H − 3 L	0.0037