Electron-Density and Electron-Lifetime Profile in Nanocrystalline-TiO_𝟐 Electrode of Dye-Sensitized Solar Cells Analysed by Voltage Decay and Charge Extraction

Figure 1

Schematic processes of photoinjected electron from TiO_𝟐 conduction band and mid-band to redox coupe (I⁻/I₃₋) in DSCs on a modeled energy level diagram with electron density.