Bridge length-dependent ultrafast electron transfer from Re polypyridyl complexes to nanocrystalline TiO2 thin films studied by femtosecond Infrared spectroscopy

Article Abstract:

A series of studies are designed to investigate how the electron injection rate from the sensitizer to the semiconductor thin films depends on the sensitizer, the semiconductor materials, and their interaction. The electron injection time of a series of Re dyes depended strongly on the electronic coupling between the dye and the surface of TiO2.

Electron transport

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The effect of calcination temperature on the surface microstructure and photocatalytic activity of TiO2 thin films prepared by liquid phase deposition

Article Abstract:

Titania (TiO2) thin films are prepared on fused quartz by the liquid-phase deposition (LPD) method from a (NH4)(sub 2)TiF6 aqueous solution upon addition of boric acid (H3BO3) and calcined at various temperatures. The as-prepared TiO2 thin films contain not only Ti and O elements, but also small amount of F, N, and Si elements.

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Surface and electronic structure of titanium dioxide photocatalysts

Article Abstract:

TiO2 films, active photocatalysts for the oxidation of organics in photoelectrochemical cells are prepared by sol-gel route. The behavior of TiO2 films prepared by sol-gel is found to be similar to an amorphous semiconductor with low disorder and density of states as compared with a pure amorphous material.

Oxidation-reduction reaction, Oxidation reduction reactions

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