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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

Synthesis of Silicon and Germanium Nanowire Assemblies by Template-Assisted Electrodeposition from an Ionic Liquid

Anne Willert A , Sherif Zein El Abedin A and Frank Endres A B C
+ Author Affiliations
- Author Affiliations

A Clausthal University of Technology, Institute of Electrochemistry, D-38678 Clausthal-Zellerfeld, Germany.

B Energieforschungszentrum Goslar (EFZN), D-38640 Goslar, Germany.

C Corresponding author. Email: frank.endres@tu-clausthal.de

Australian Journal of Chemistry 67(6) 875-880 https://doi.org/10.1071/CH13549
Submitted: 11 October 2013  Accepted: 24 January 2014   Published: 14 February 2014

Abstract

We report on the template-assisted synthesis of silicon and germanium nanowires from the air- and water-stable ionic liquid, 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)amide ([Py1,4] TFSA). The synthesis was done by electrochemical deposition in the pores of a commercial track-etched polycarbonate membrane. After chemical dissolution of the polycarbonate membrane in dichloromethane, nanowire assemblies with a regular arrangement were obtained. Different lengths of nanowires can be obtained by varying the applied potential and the time of deposition. The nanowire assemblies were characterised by scanning electron microscopy and energy-dispersive X-ray spectroscopy (SEM/EDX). Our results show that the template-assisted electrochemical deposition approach in ionic liquids has the potential to easily synthesise germanium and silicon nanowire assemblies.


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