Photoinduced absorption spectroscopy of dye-sensitized nanostructured TiO2

Photoinduced absorption spectroscopy of dye-sensitized nanostructured TiO2

Photoinduced absorption (PIA) spectroscopy was used to investigate dye-sensitized electrodes and solar cells under illumination conditions comparable to sunlight. In the absence of redox electrolyte, cis-RuðdcbpyÞ2ðNCSÞ2-sensitized nanostructured TiO2 films show a long-lived photoinduced charge-separation (oxidized dye molecules/injected electrons in TiO2), with a lifetime of about 10 3 s under...

Interaction of Sensitizing Dyes with Nanostructured TiO2 Film in Dye-Sensitized Solar Cells Using Terahertz Spectroscopy

The objective of this investigation was to shed light on the nature of interaction of different organic dyes and an inorganic dye, Ruthenium (II) polypyridine complex, with TiO2 nanoparticles. TiO2 is commonly deployed as an efficient energy transfer electrode in dye sensitized solar cells. The efficiency of dye sensitized solar cells is a function of the interaction of a dye with the electrode...

Nanostructured photoelectrodes for dye-sensitized solar cells

Flexible Dye-Sensitized Nanocrystalline TiO2 Solar Cells

The Dye-sensitized nanocrystaline TiO2 solar cell (nc-DSC) developed by Grätzel [1] has the potential to reach low costs in future outdoor power applications. In addition, due to its expected ease of production and possibilities to adjust its appearance, the potential for application is very broad. When plastic foil is used as a substrate for the nc-DSC the production and application possibilit...

Dye-Sensitized Nanocrystalline Rutile TiO2 Films

Dye-sensitized nanocrystalline rutile TiO2 solar cells were prepared, and the influence of Li and 1,2-dimethyl3-hexyl imidazolium ions in the electrolyte on the photovoltaic properties was compared. The electrolyte containing Li ions produced a lower open-circuit photovoltage than the electrolyte with 1,2-dimethyl-3-hexyl imidazolium ions, suggesting that the adsorption of Li ions to the rutile...