Research Article

High Efficiency of Dye-Sensitized Solar Cells Based on Ruthenium and Metal-Free Dyes

Figure 3

Photocurrent density-voltage characteristics of solar cells sensitized by N719 (Device A), N719 : 4L (1 : 0.25) (Device B), N719 : 4L (1 : 0.5) (Device C), and N719 : 4L (1 : 1) (Device D) with 12.0 + 4.0 μm double layers nanocrystalline TiO2 electrodes.
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