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Open Access Nano Perspectives

Nanoparticulate PdZn as a Novel Catalyst for ZnO Nanowire Growth

Volker Engels1, Aron Rachamim2, Sharvari H Dalal2, SieglindeML Pfaendler2, Junfeng Geng1, Angel Berenguer-Murcia1, Andrew J Flewitt2 and AndrewEH Wheatley1*

Author Affiliations

1 University of Cambridge Chemical Laboratories, Lensfield Road, Cambridge, CB2 1EW, UK

2 Electrical Engineering Division, Department of Engineering, Cambridge University, 9 J J Thomson Avenue, Cambridge, CB3 0FA, UK

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Nanoscale Research Letters 2010, 5:904-907  doi:10.1007/s11671-010-9567-4

Published: 14 March 2010

Abstract

ZnO nanowires have been grown by chemical vapour deposition (CVD) using PdZn bimetallic nanoparticles to catalyse the process. Nanocatalyst particles with mean particle diameters of 2.6 ± 0.3 nm were shown to catalyse the growth process, displaying activities that compare well with those reported for sputtered systems. Since nanowire diameters are linked to catalyst morphology, the size-control we are able to exhibit during particle preparation represents an advantage over existing approaches in terms of controlling nanowire dimensions, which is necessary in order to utilize the nanowires for catalytic or electrical applications.

(See supplementary material 1)

Electronic supplementary material. The online version of this article (doi:10.1007/s11671-010-9567-4) contains supplementary material, which is available to authorized users.

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Keywords:
Catalysis; Chemical vapour deposition; Nanoparticles; Nanowires; Zinc oxide