Stepwise charge separation from a ruthenium-tyrosine complex to a nanocrystalline TiO2 film

Article Abstract:

The synthesis and characterization of a supramolecular complex of Ru (II) tris-bipyridine, tyrosine, and dipicolylamine is detailed. It is observed that the intermolecular electron-transfer efficiency is 90% and after being attached onto the nanocrystalline TiO2 film via ethyl carboxylate groups on the bipyridine ligands light induced ultrafast electron injection occurs from the MLCT state of RuTP to the conduction band of TiO2.

Electron transport, Tyrosine, Chemical synthesis

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Molecularly organized Langmuir-Blodgett films from a ruthenium biphosphine complex

Article Abstract:

The Langmuir film-forming ability of biphosphine ruthenium complexes to produce Langmuir-Blodgett (LB) films is investigated. Organization and molecular orientation in the LB films were confirmed by fluorescence emission spectroscopy and extracted from the complimentary information provided by transmission and reflection-absorption infrared spectra.

Analysis, Thin films, Multilayered, Multilayered thin films, Fluorescence spectroscopy

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The simple cubic structure of ruthenium clusters

Article Abstract:

Density-functional theory with a plane wave basis set was used to study ruthenium clusters of up to 64 atoms. The study revealed that atoms in similar bonding environments have similar binding energies.

Density functionals, Density functional theory, Chemical bonds, Structure

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