Research Article

Natural Dye-Sensitized Solar Cells Based on Highly Ordered TiO2 Nanotube Arrays

Table 1

Photoelectrochemical parameters of DSSCs sensitized with three kinds of natural dyes, compared with the solar cell without dye sensitization.

Sensitizer (mA/cm2) (V)FF (%)

Without dye0.0230.30.4940.006
Tradescantia zebrina 0.630.350.520.23
Kapok0.870.360.490.3
Pitaya 0.500.330.520.17