Research Article

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

Table 1

Photovoltaic parametersa of cosensitizer sensitized by T film electrodes (3 samples in each group).

Duration of dye loadingVOC (V)ISC (mA·cm−2)FFη (%)

(NA56 + CQV97) (24 h)0.607 ± 0.0181.199 ± 0.1200.610 ± 0.0230.432 ± 0.028
NA56(0 h) + CQV97(24 h)0.680 ± 0.0060.952 ± 0.0200.653 ± 0.0540.420 ± 0.030
NA56(2 h) + CQV97(22 h)0.698 ± 0.0051.382 ± 0.0220.703 ± 0.0340.680 ± 0.048
NA56(6 h) + CQV97(18 h)0.627 ± 0.0051.694 ± 0.1400.613 ± 0.0110.655 ± 0.052
NA56(12 h) + CQV97(12 h)0.654 ± 0.0051.913 ± 0.1430.639 ± 0.0320.795 ± 0.031
NA56(18 h) + CQV97(6 h)0.594 ± 0.0131.844 ± 0.1400.661 ± 0.0110.725 ± 0.070
NA56(22 h) + CQV97(2 h)0.548 ± 0.0061.603 ± 0.0340.684 ± 0.0180.600 ± 0.034
NA56(24 h) + CQV97(0 h)0.484 ± 0.0051.140 ± 0.0500.670 ± 0.0250.372 ± 0.020

aCell performance as reported is the average of four devices. VOC: open-circuit voltage. ISC: short-circuit current. FF: filling factor of DSSC. η: conversion efficiency of DSSC.