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Colloid and Polymer Science
Erschienen in: Colloid and Polymer Science 4/2011

01.02.2011 | Original Contribution

Ternary luminescent lanthanide-centered hybrids with organically modified titania and polymer units

verfasst von: Xiao-Long Wang, Bing Yan

Erschienen in: Colloid and Polymer Science | Ausgabe 4/2011

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Abstract

Nicotinic acid (NA) is grafted to titanium alkoxide to achieve functional precursor Ti-NA, which then is coordinated to lanthanide ions (Tb3+/Eu3+) to prepare the binary titania hybrid materials Ti-NA-Eu/Ti-NA-Tb via a sol–gel process in the presence of water. Furthermore, two types of ternary titania hybrid materials, Ti-NA-Ln-PMAA/Ti-NA-Ln-PVP, are assembled by the introduction of the organic polymers polymethacrylic acid (PMAA)/polyvinylpyrrolidone (PVP) into the above system. The FTIR spectra of these titania hybrid materials confirm their basic composition, and the X-ray diffraction patterns reveal that they are amorphous. Luminescence spectra and lifetimes of these titania hybrids are recorded, revealing that these hybrid materials with organic polymers exhibit longer luminescence lifetimes and higher quantum efficiencies.
Vorheriger Artikel An effective nanocomposite of polyaniline and ZnO: preparation, characterizations, and its photocatalytic activity
Nächster Artikel Ferritin immobilization on patterned poly(2-hydroxyethyl methacrylate) brushes on silicon surfaces from colloid system

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Metadaten
Titel
Ternary luminescent lanthanide-centered hybrids with organically modified titania and polymer units
verfasst von
Xiao-Long Wang
Bing Yan
Publikationsdatum
01.02.2011
Verlag
Springer-Verlag
Erschienen in
Colloid and Polymer Science / Ausgabe 4/2011
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-010-2372-x

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