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Manipulation and assembly of nanowires with holographic optical traps

Manipulation and assembly of nanowires with holographic optical traps 1 2 2 1 1,3 2 Ritesh Agarwal, Kosta Ladavac, Yael Roichman, Guiha Yu, , Charles M. Lieber, and David G. Grier Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138 Department of Physics and Center for Soft Matter Research, New York University, New York, NY 10003 Division of Engineering and Applied Science, Harvard University, Cambridge, MA 02138 We demonstrate that semiconductor nanowires measuring just a few nanometers in diameter can be translated, rotated, cut, fused and organized into nontrivial structures using holographic optical traps. The holographic approach to nano-assembly allows for simultaneous independent manipulation of multiple nanowires, including relative translation and relative rotation. Semiconductor nanowires [1, 2] are emerging as versa- tile building blocks for the assembly and fabrication of a wide range of nanoelectronic and nanophotonic devices [3, 4, 5]. To date, the properties of simple nanowire-based devices have been determined using nanowires deposited on the surface of a substrate either at random or else by directed assembly controlled by flowing fluids or electric fields [6, 7, 8]. These latter approaches represent a signifi- cant advance over random assembly, yet remain limited in that the end-to-end registry and three-dimensional (3D) orientation of nanowires are not http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Optics Express Unpaywall

Manipulation and assembly of nanowires with holographic optical traps

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Unpaywall
ISSN
1094-4087
DOI
10.1364/opex.13.008906
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Abstract

1 2 2 1 1,3 2 Ritesh Agarwal, Kosta Ladavac, Yael Roichman, Guiha Yu, , Charles M. Lieber, and David G. Grier Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138 Department of Physics and Center for Soft Matter Research, New York University, New York, NY 10003 Division of Engineering and Applied Science, Harvard University, Cambridge, MA 02138 We demonstrate that semiconductor nanowires measuring just a few nanometers in diameter can be translated, rotated, cut, fused and organized into nontrivial structures using holographic optical traps. The holographic approach to nano-assembly allows for simultaneous independent manipulation of multiple nanowires, including relative translation and relative rotation. Semiconductor nanowires [1, 2] are emerging as versa- tile building blocks for the assembly and fabrication of a wide range of nanoelectronic and nanophotonic devices [3, 4, 5]. To date, the properties of simple nanowire-based devices have been determined using nanowires deposited on the surface of a substrate either at random or else by directed assembly controlled by flowing fluids or electric fields [6, 7, 8]. These latter approaches represent a signifi- cant advance over random assembly, yet remain limited in that the end-to-end registry and three-dimensional (3D) orientation of nanowires are not

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Optics Express – Unpaywall

Published: Jan 1, 2005

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