Electrochemical synthesis of vertically aligned zinc nanowires using track-etched polycarbonate membranes as templates

In the present paper, vertically aligned arrays of zinc nanowires were synthesized by electrochemical deposition into ion track-etched polycarbonate membranes in the ionic liquid electrolyte 1-ethyl-3-methylimidazolium trifluoromethylsulfonate ([EMIm]TfO)/Zn(TfO) 2 . Cyclic voltammetry and chronoamp...

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Bibliographic Details
Published in:Physical chemistry chemical physics : PCCP 2013-07, Vol.15 (27), p.11362-11367
Main Authors: Liu, Z, Abedin, S. Zein El, Ghazvini, M. S, Endres, F
Format: Article
Language:English
Subjects:
Alignment
Arrays
Chemistry
Colloidal state and disperse state
Deposition
Electrochemical Techniques
Electrochemistry
Electrolytes - chemistry
Exact sciences and technology
General and physical chemistry
Imidazoles - chemistry
Ionic Liquids - chemistry
Membranes
Mesylates - chemistry
Nanowires
Nanowires - chemistry
Particle Size
Polycarbonates
Polycarboxylate Cement - chemistry
Surface Properties
Wire
Zinc
Zinc - chemistry
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Summary:In the present paper, vertically aligned arrays of zinc nanowires were synthesized by electrochemical deposition into ion track-etched polycarbonate membranes in the ionic liquid electrolyte 1-ethyl-3-methylimidazolium trifluoromethylsulfonate ([EMIm]TfO)/Zn(TfO) 2 . Cyclic voltammetry and chronoamperometry were performed to investigate the electrochemical growth of zinc nanowires inside of the membranes. The transport processes and mechanisms of the nanowire growth in the membranes are also discussed. A supporting zinc or copper layer was deposited on the sputtered side in order to make the back layer thick enough to stabilize the wires. Zinc nanowires with a diameter of 90 nm and a length of up to 18 m were obtained after removing the template. Furthermore, short nanowires with lengths less than 5 m and a sandwich-like structure with nanowires in the middle were also synthesized. Vertically aligned zinc nanowire structures on such a substrate might be a potential anode candidate for future generation lithium ion batteries. In the present paper, vertically aligned arrays of zinc nanowires were synthesized by electrochemical deposition into ion track-etched polycarbonate membranes in the ionic liquid electrolyte 1-ethyl-3-methylimidazolium trifluoromethylsulfonate ([EMIm]TfO)/Zn(TfO) 2 .
ISSN:1463-9076
1463-9084
DOI:10.1039/c3cp51325d