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Published in: Journal of Nanoparticle Research 8/2012

01-08-2012 | Research Paper

The effect of the core morphology of Eu(III)-doped nanoparticles on the ion exchange versus energy transfer between Eu(III) in the core and Cu(II) ions at the interface

Authors: Rustem Zairov, Asiya Mustafina, Nataliya Shamsutdinova, Mark H. Rümmeli, Rustem Amirov, Vladimir Burilov, Marina Pinus, Vladimir Morozov, Vladimir Ivanov, Edward Gogolashvili, Dmitry Tatarinov, Vladimir Mironov, Alexander Konovalov

Published in: Journal of Nanoparticle Research | Issue 8/2012

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Abstract

The report represents the comparative analysis of luminescent properties of Eu(III) complex in colloids of silica-coated and layer-by-layer-fabricated nanoparticles. The diverse morphologies of these nanoparticles greatly affect their photophysical properties. The interfacial binding with d-ions exemplified by Cu(II) and the contributions of the ion exchange and energy transfer processes between Eu(III) ions confined within polymeric coating and Cu(II) ions at the interface of nanoparticles also depend on their morphology. The silica coating of Eu(III) complex does not prevent it from the efficient ion displacement by the interfacial Cu(II) ions, which results in the irreversible quenching of Eu(III)-centered luminescence. The lack of the ion exchange and the predominant energy transfer between Eu(III) ions in the core and interfacial Cu(II) ions are revealed in the colloids of Eu(III) complex reprecipitated from organic to aqueous solution and coated by the layer-by-layer-fabricated polyelectrolyte multilayer. The obtained results represent the synthetic route of the insertion of Cu(II) ions into the polyelectrolyte multilayer fabricated onto Eu(III) complex.

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Appendix
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Metadata
Title
The effect of the core morphology of Eu(III)-doped nanoparticles on the ion exchange versus energy transfer between Eu(III) in the core and Cu(II) ions at the interface
Authors
Rustem Zairov
Asiya Mustafina
Nataliya Shamsutdinova
Mark H. Rümmeli
Rustem Amirov
Vladimir Burilov
Marina Pinus
Vladimir Morozov
Vladimir Ivanov
Edward Gogolashvili
Dmitry Tatarinov
Vladimir Mironov
Alexander Konovalov
Publication date
01-08-2012
Publisher
Springer Netherlands
Published in
Journal of Nanoparticle Research / Issue 8/2012
Print ISSN: 1388-0764
Electronic ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-012-1018-y

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