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Surface modification of silica particles and upconverting particles using click chemistry

Mader, Heike Sabine (2010) Surface modification of silica particles and upconverting particles using click chemistry. PhD, Universität Regensburg.

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Date of publication of this fulltext: 11 Jun 2010 10:01

Abstract (English)

Upconverting nanoparticles (UCNPs) of the NaYF4 type with narrow size distribution from 60 to 90 nm, were prepared using the established co-precipitation method. The particles were codoped using Yb3+ as the sensitizer ion, Er3+, Tm3+ or Ho3+, respectively as the emitting activator ions. Erbium doped particles displayed the brightest luminescence (green and red). A dopant ratio of 25% Yb3+ and 2% ...


Translation of the abstract (German)

Upconvertierende Nanopartikel (UCNPs) vom NaYF4 Typ mit einer engen Größenverteilung von 60 bis 90 nm wurden mittels der etablierten Co-Präzipitationsmethode hergestellt. Die Partikel wurden mit Yb3+ als Sensitizer Ion und Er3+, Tm3+ beziehungsweise Ho3+ als emittierendes Aktivator Ion co-dotiert. Die hellste Lumineszenz (grün und rot) wurde für Erbium dotierte Partikel gemessen. Ein ...


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Item type:Thesis of the University of Regensburg (PhD)
Date:11 June 2010
Referee:Prof. Dr. Otto S. Wolfbeis and Prof. Dr. Hans-Achim Wagenknecht
Date of exam:17 May 2010
Institutions:Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik
Keywords:nanoparticle, upconversion, click
Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:14622
Owner only: item control page


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