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Simultaneous Deposition of Metallic Bundles of Single-walled Carbon Nanotubes Using Ac-dielectrophoresis

Krupke, Ralph and Hennrich, Frank and Weber, H. B. and Kappes, Manfred M. and Löhneysen, Hilbert v. (2003):
Simultaneous Deposition of Metallic Bundles of Single-walled Carbon Nanotubes Using Ac-dielectrophoresis.
In: Nano Letters, 3 (8), pp. 1019-1023, ISSN 1530-6984,
[Online-Edition: http://dx.doi.org/10.1021/nl0342343],
[Article]

Abstract

A simple and scalable scheme based on alternating current (ac-) dielectrophoresis is used for the simultaneous and site-selective deposition of single bundles of single-walled carbon nanotubes (SWNTs) onto a large number of contacts requiring only one bond wire. This allows for a large number of transport measurements that show that the deposited bundles contain at least one metallic SWNT dominating the transport. With high-voltage pulses, metallic bundles are transformed into Schottky-barrier-type field-effect transistors with p-type, ambipolar, or n-type behavior. From a simple electromechanical model, we derive the fact that ac-dielectrophoresis selectively deposits bundles containing metallic tubes.

Item Type: Article
Erschienen: 2003
Creators: Krupke, Ralph and Hennrich, Frank and Weber, H. B. and Kappes, Manfred M. and Löhneysen, Hilbert v.
Title: Simultaneous Deposition of Metallic Bundles of Single-walled Carbon Nanotubes Using Ac-dielectrophoresis
Language: English
Abstract:

A simple and scalable scheme based on alternating current (ac-) dielectrophoresis is used for the simultaneous and site-selective deposition of single bundles of single-walled carbon nanotubes (SWNTs) onto a large number of contacts requiring only one bond wire. This allows for a large number of transport measurements that show that the deposited bundles contain at least one metallic SWNT dominating the transport. With high-voltage pulses, metallic bundles are transformed into Schottky-barrier-type field-effect transistors with p-type, ambipolar, or n-type behavior. From a simple electromechanical model, we derive the fact that ac-dielectrophoresis selectively deposits bundles containing metallic tubes.

Journal or Publication Title: Nano Letters
Volume: 3
Number: 8
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Fachgebiet Molekulare Nanostrukturen
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 08 Nov 2011 13:42
Official URL: http://dx.doi.org/10.1021/nl0342343
Identification Number: doi:10.1021/nl0342343
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