A Visible-NIR Responsive Dye-Sensitized Solar Cell Based on Diatom Frustules and Cosensitization of Photopigments from Diatom and Purple Bacteria

Table 3

Photovoltaic parameters^d of dye-sensitized TT and TF3 film electrodes (3 samples in each group).

Film	Dyes	VOC (V)	ISC (mA·cm^−2)	FF	η (%)
TT	CQV97 pigment extract	0.685 ± 0.035	1.330 ± 0.197	0.752 ± 0.035	0.687 ± 0.032
TT	(NA56 + CQV97) pigment extracts	0.634 ± 0.017	2.440 ± 0.122	0.645 ± 0.016	0.998 ± 0.042
TT	N719	0.790 ± 0.020	7.568 ± 0.218	0.703 ± 0.024	4.368 ± 0.129
TF3	CQV97 pigment extracts	0.736 ± 0.026	1.621 ± 0.321	0.774 ± 0.020	0.976 ± 0.022
TF3	(NA5 + CQV97) pigment extracts	0.664 ± 0.024	3.122 ± 0.150	0.635 ± 0.019	1.321 ± 0.096
TF3	N719	0.793 ± 0.016	10.740 ± 0.516	0.674 ± 0.033	5.844 ± 0.126

^dCell performance as reported is the average of four devices. TT: cosensitization double TiO₂ film. TF3: diatom frustule-TiO₂ composite (12 : 5) film. V_OC: open-circuit voltage. I_SC: short-circuit current. FF: filling factor of DSSC. η: conversion efficiency of DSSC.