Rare-earth/inorganic/organic polymeric hybrid materials: molecular assembly, regular microstructure and photoluminescence

Article Abstract:

A novel path is described for assembling the hybrid materials containing the inorganic polymeric Si-O network and organic polymeric chains. The photoluminescence properties of these materials have shown that the ternary rare-earth/inorganic/organic polymeric hybrids present stronger luminescent intensities and higher luminescent quantum efficiencies than the binary rare-earth/inorganic polymeric hybrids.

Ligands (Biochemistry), Optical properties, Chemical synthesis, Photoluminescence

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Grafting and polymer formation on silicon from unsaturated Grignards: I-aromatic precursors

Article Abstract:

The polymeric layers covalently anchored to the silicon surface when anodic decomposition of a phenylmagnesium halide takes places at a surface-hydrogenated silicon electrode were characterized using spectroelliposometry, photoluminescence, infrared, and X-ray photoelectron spectroscopy. The phenyl ring appears preserved in the process, and the polymer formed is a polyphenylene.

Petroleum Refineries, Petroleum refining, Polymerization, Grignard reagents, Phenyl compounds, Aromatic polymers

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Size control and associated photophysics of erbium-doped silicon nanowires

Article Abstract:

Router to Si nanowires with different sizes having erbium-rich shell structures was developed. Further it is found that facile routes for the formation of single-crystal Si naowires coated with polycrystalline Er-rich Si surfaces, with the precise width strongly dictated by selecion of catalyst and associated conditions.

Erbium

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