Synthesis and characterization of manganese-doped CdS nanoparticles

Christine Barglik-Chory; Christian Remenyi; Cristina Dem; Michael Schmitt; Wolfgang Kiefer; Charles Gould; Christian Rüster; Georg Schmidt; Detlev M. Hofmann; Daniel Pfisterer; Gerd Müller

doi:10.1039/B300343D

Synthesis and characterization of manganese-doped CdS nanoparticles†

Christine Barglik-Chory,*^a Christian Remenyi,^a Cristina Dem,^b Michael Schmitt,^b Wolfgang Kiefer,^b Charles Gould,^c Christian Rüster,^c Georg Schmidt,^c Detlev M. Hofmann,^d Daniel Pfisterer^d and Gerd Müller^a

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* Corresponding authors

^a Lehrstuhl für Silicatchemie, Bayerische Julius-Maximilians-Universität Würzburg, Würzburg, Röntgenring 11, Germany
E-mail: barglik@silchem.uni-wuerzburg.de
Fax: +49 (0) 931/31-2109
Tel: +49 (0) 931/31-2633

^b Institut für Physikalische Chemie, Lehrstuhl II, Bayerische Julius-Maximilians-Universität Würzburg, D-97074 Würzburg, Am Hubland, Germany

^c Physikalisches Institut, EP III, Bayerische Julius-Maximilians-Universität Würzburg, Am Hubland, Germany

^d I. Physikalisches Institut, Justus-Liebig-Universität, Heinrich-Buff-Ring 16, D-35392 Giessen, Germany

Abstract

We present a novel colloidal route to photoluminescent CdS quantum dots and the doping of these nanoparticles with divalent manganese ions, resulting in emission caused by Mn²⁺ in addition to the band gap related emission of CdS. The semimagnetic semiconductor was synthesized using dithiol 1,2-bis(mercaptomethyl)benzene as stabilizer. The purified and redispersed powder was characterized by UV/VIS absorption, photoluminescence, Raman, SQUID, and EPR spectroscopy.

Physical Chemistry Chemical Physics

Synthesis and characterization of manganese-doped CdS nanoparticles†

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Synthesis and characterization of manganese-doped CdS nanoparticles

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