In situ infrared spectroscopy of glyoxylic acid adsorption and photocatalysis on TiO2 aqueous solution

Article Abstract:

The adsorption from aqueous solution and the photocatalysis of glyoxylic acid on a thin TiO2 film is monitored using internal reflectance infrared spectroscopy.

Catalysis

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The effect of the preparation condition of TiO2 colloids on their surface structures

Article Abstract:

A new study compares the surface structures of two sets of TiO2 colloids prepared by the hydrothermal process and using nitric acid and acetic acid in their synthesis.

Solar cells

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Adsorbed thiosulfate intermediate of cadmium sulfide aqueous photocorrosion detected and characterized by in situ infrared spectroscopy

Article Abstract:

The surface chemical and photochemical behavior of cadmium sulfide colloidal films in aqueous films was investigated through in situ infrared spectroscopy. A solution sulfate via an adsorbed thiosulfate intermediate was found to arise from the aqueous cadmium sulfide photocorrosion. The strong adsorption of thiosulfate and the weak adsorption of sulfate to cadmium sulfide explains the lack of thiosulfate detection during the occurrence of photocorrosion.

Usage, Cadmium, Sulfides, Infrared spectroscopy, Adsorption

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