Issue 33, 2010
From the journal:

Physical Chemistry Chemical Physics

Interfacial Cu/ZnO contact by selective photodeposition of copper onto the surface of small ZnOnanoparticles in non-aqueous colloidal solution†

Mahmoud A. Sliem,a   Todor Hikov,a   Zi-An Li,c   Marina Spasova,c   Michael Farle,c   Diedrich A. Schmidt,b   Martina Havenith-Newenb  and  Roland A. Fischer*a  

* Corresponding authors

a Lehrstuhl für Anorganische Chemie II, Ruhr Universität Bochum, Universitätstrasse 150, 44780 Bochum, Germany
E-mail: roland.fischer@rub.de
Fax: +49 234 3214174
Tel: +49 234 3224174

b Lehrstuhl für Physikalische Chemie II, Ruhr-Universität Bochum, Universitätstrasse 150, 44780 Bochum, Germany
E-mail: pc2office@rub.de
Fax: +49 234 3214183
Tel: 49 234 3224249

c AG Farle, Fachbereich Physik Experimentalphysik, Universität Duisburg-Essen, Lotharstr.1, 47048 Duisburg, Germany
E-mail: michael.farle@uni-due.de
Fax: +49 203 3792098
Tel: +49 203 3792075

Abstract

Nanoscale copper was selectively photodeposited onto the surface of hexadecylamine (HDA) stabilized (monodispersed not agglomerated) ZnO nanoparticles (NPs) of a diameter of 2–5 nm, which leads to HDA-stabilized Cu/ZnO NPs of varied Cu loading. The particles are soluble in non-polar organic solvents. The line broadening and the red shift of the surface plasmon band of Cu/ZnO NPs relative to HDA-stabilized Cu NPs, the profound decrease of the Cu/ZnO NPs visible photoluminescence at 525 nm, the increase of the UV emission intensity at 365 nm and the enhancement of the Raman scattering (RS) intensity in comparison to the parent ZnO NPs confirmed the interfacial contact between the Cu and ZnO phase.

Graphical abstract: Interfacial Cu/ZnO contact by selective photodeposition of copper onto the surface of small ZnO nanoparticles in non-aqueous colloidal solution

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Article information

DOI
https://doi.org/10.1039/C003861J
Article type
Paper
Submitted
03 Mar 2010
Accepted
06 May 2010
First published
24 Jun 2010

Phys. Chem. Chem. Phys., 2010,12, 9858-9866

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Interfacial Cu/ZnO contact by selective photodeposition of copper onto the surface of small ZnO nanoparticles in non-aqueous colloidal solution

M. A. Sliem, T. Hikov, Z. Li, M. Spasova, M. Farle, D. A. Schmidt, M. Havenith-Newen and R. A. Fischer, Phys. Chem. Chem. Phys., 2010, 12, 9858 DOI: 10.1039/C003861J

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