Electrostatic and covalent interactions in CdTe nanocrystalline assemblies

Article Abstract:

The inter-nanocrystals (NCs) interactions among pristine assemblies, electrostatically mixed assemblies, and covalently linked NCs assemblies of CdTe NCs stabilized with thioamine and thio acid surfactants were compared. The spectral overlaps between the adsorption and emission curves, the PL red shift, the PL decay curves, and the calculated FRET revealed that covalently linked NCs have the strongest inter-NCs interaction, while CdTe(TGA) NCs act as the most efficient donors.

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Cadmium Compounds, Tellurium, Chemical properties, Energy transformation

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Spray-produced coral-shaped assemblies of MnS nanocrystal clusters

Article Abstract:

A report on spray-produced ordered clusters of MnS nanocrystals with grain size range of 1-2 nm and their assembly into micron-sized coral-shaped fractal aggregates is presented. Ballistic cluster-particle aggregation, with the introduction of physical interaction between particles, is suggested as a model for the assemblies' growth.

Manganese Sulfate, Usage, Observations, Scanning electron microscopes, High performance liquid chromatography, Properties, Structure, Spraying, Spraying (Coating processes)

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A spray based-method for the production of semiconductor nanocrystals

Article Abstract:

A spray based-method for the formation and production of semiconductor nanocrystals that provides an attractive alternative to the commonly used epitaxial and colloidal procedures is presented. A semiconductor nanocrystal is produced from a single spray droplet upon the full vaporization of the solvent.

Science & research, Research, Nanotechnology, Epitaxy, Colloid chemistry

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