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Fabrication and thermoelectrical characterization of three-dimensional nanowire networks

Wagner, Michael F. P. and Völklein, Friedemann and Reith, Heiko and Trautmann, Christina and Toimil-Molares, Maria Eugenia (2016):
Fabrication and thermoelectrical characterization of three-dimensional nanowire networks.
213, In: physica status solidi (a), (3), WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, Germany, pp. 610-619, ISSN 18626300, [Online-Edition: http://dx.doi.org/10.1002/pssa.201532616],
[Article]

Abstract

Three-dimensional (3D) assemblies of nanostructures are gaining more and more attention during the recent years as promising systems to increase the integration density in microelectronic devices. Here we present the fabrication of large areas of 3D nanowire networks (NWNWs) of antimony for thermoelectric applications by electrodeposition in etched ion-track membranes. The synthesis parameters have been investigated and optimized to achieve mechanically stable and free-standing NWNWs without a supporting matrix. A cross-plane method for the complete steady state thermoelectric characterization of an embedded nanowire assembly (NWA) is also introduced, which enables the measurements of Seebeck-coefficient, cross-plane thermal conductivity, and electrical resistance of the NWA, and can also be applied to thin films. First results of the thermoelectric properties of Sb NWA are presented.

Item Type: Article
Erschienen: 2016
Creators: Wagner, Michael F. P. and Völklein, Friedemann and Reith, Heiko and Trautmann, Christina and Toimil-Molares, Maria Eugenia
Title: Fabrication and thermoelectrical characterization of three-dimensional nanowire networks
Language: English
Abstract:

Three-dimensional (3D) assemblies of nanostructures are gaining more and more attention during the recent years as promising systems to increase the integration density in microelectronic devices. Here we present the fabrication of large areas of 3D nanowire networks (NWNWs) of antimony for thermoelectric applications by electrodeposition in etched ion-track membranes. The synthesis parameters have been investigated and optimized to achieve mechanically stable and free-standing NWNWs without a supporting matrix. A cross-plane method for the complete steady state thermoelectric characterization of an embedded nanowire assembly (NWA) is also introduced, which enables the measurements of Seebeck-coefficient, cross-plane thermal conductivity, and electrical resistance of the NWA, and can also be applied to thin films. First results of the thermoelectric properties of Sb NWA are presented.

Journal or Publication Title: physica status solidi (a)
Volume: 213
Number: 3
Publisher: WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, Germany
Uncontrolled Keywords: antimony, electrodeposition, ion, tracks, nanowires, networks, thermoelectrics, thin films
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Ion-Beam-Modified Materials
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 15 Jun 2016 08:35
Official URL: http://dx.doi.org/10.1002/pssa.201532616
Identification Number: doi:10.1002/pssa.201532616
Funders: We gratefully acknowledge financial support by the Deutsche Forschungsgemeinschaft (DFG) within the priority program SPP 1386., M. F. P. Wagner thanks the Helmholtz School for Hadron and Ion Research “HGS-HIRe” for financial support.
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