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Photocatalytic Segmented Nanowires and Single-step Iron Oxide Nanotube Synthesis: Templated Electrodeposition as all-round Tool

Published online by Cambridge University Press:  31 January 2011

Michiel G. Maas ,
Eddy J.B. Rodijk ,
Wouter Maijenburg ,
Johan E ten Elshof  and
Dave H.A. Blank
Michiel G. Maas
Affiliation:
[email protected]@yahoo.com, University of Twente, Enschede, Netherlands
Eddy J.B. Rodijk
Affiliation:
[email protected], University of Twente, Enschede, Netherlands
Wouter Maijenburg
Affiliation:
[email protected], University of Twente, Enschede, Netherlands
Johan E ten Elshof
Affiliation:
[email protected], University of Twente, Enschede, Netherlands
Dave H.A. Blank
Affiliation:
[email protected], University of Twente, Enschede, Netherlands
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Abstract

Templated electrodeposition was used to synthesize silver-zinc oxide nanowires and iron oxide (Fe2O3) nanotubes in polycarbonate track etched (PCTE) membranes. Metal/oxide segmented nanowires were made to produce hydrogen gas from a water/methanol mixture under ultraviolet irradiation. It was observed that gas production increased during irradiation. Iron oxide nanotubes were synthesized via a gel synthesis route, avoiding clogging of the membrane pores during growth. The nanotubes formed without thermal after-treatment. Transmission electron microscopy (TEM) analysis and selected area electron diffraction (SAED) revealed a completely amorphous iron oxide structure. By demonstrating the synthesis of photocatalytically active segmented nanowire and nanotubes without post-treatment steps, templated electrodeposition can be a versatile and low cost tool for nanowires with designed functionality or fast nanotube synthesis.

Keywords

electrodepositionphotochemicalsol-gel
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1206: Symposium M – Multifunction at the Nanoscale through Nanowires , 2009 , 1206-M01-08
Copyright
Copyright © Materials Research Society 2010

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