Issue 50, 2016, Issue in Progress
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RSC Advances

Synthesis and magnetooptic characterization of Cu-doped ZnO/MgO and ZnO/oleic acid core/shell nanoparticles

J. Mikulski,*a   B. Sikora,a   K. Fronc,a   P. Aleshkevych,a   S. Kret,a   J. Suffczyński,b   J. Papierska,b   Ł. Kłopotowskia  and  J. Kossuta  

* Corresponding authors

a Institute of Physics Polish Academy of Science, Al. Lotników 32/46, 02-668 Warsaw, Poland
E-mail: mikulski@ifpan.edu.pl

b Institute of Experimental Physics, Faculty of Physics, University of Warsaw, ul. Pasteura 5, 02-093 Warsaw, Poland

Abstract

The effect of Cu ion doping on the photoluminescence (PL) and magnetic behavior of ZnO/MgO and ZnO/oleic acid core/shell nanoparticles is investigated. By means of transmission electron microscopy we determine the average size distribution of the synthesized nanoparticles, while by studying electron paramagnetic resonance we determine the oxidation state of the Cu ions to be Cu2+. The magnetic field only slightly shifts spectrally the emission of the ensemble of such quantum dots. On the other hand, the magnetic field induces a considerable strengthening of the PL intensity and a sizable circular polarization of the emission of ZnO/MgO nanocrystals.

Graphical abstract: Synthesis and magnetooptic characterization of Cu-doped ZnO/MgO and ZnO/oleic acid core/shell nanoparticles

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Article information

DOI
https://doi.org/10.1039/C6RA01453D
Article type
Paper
Submitted
17 Jan 2016
Accepted
15 Apr 2016
First published
18 Apr 2016

RSC Adv., 2016,6, 44820-44825

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Synthesis and magnetooptic characterization of Cu-doped ZnO/MgO and ZnO/oleic acid core/shell nanoparticles

J. Mikulski, B. Sikora, K. Fronc, P. Aleshkevych, S. Kret, J. Suffczyński, J. Papierska, Ł. Kłopotowski and J. Kossut, RSC Adv., 2016, 6, 44820 DOI: 10.1039/C6RA01453D

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