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Electrostatic charging and manipulation of semiconductor nanowires

  • Vincent C. Holmberg (a1), Reken N. Patel (a1) and Brian A. Korgel (a1)

It was observed that silicon and germanium nanowires can exhibit significant electrostatic charging and respond strongly to externally applied electric fields. This includes nanowires in air and dispersed in low-conductivity, low-dielectric-constant solvents such as hexane, toluene, and benzene. The electrostatic charging of semiconductor nanowires was investigated as a tool for nanowire manipulation. By charging a substrate, nanowires could be deposited on surfaces with very high coverage and onto selected locations of the surface. The density of deposited nanowires could be adjusted systematically by varying the strength of the electric field. Alternating electric fields, applied between two electrodes, resulted in nanowires oriented with respect to the field orientation.

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Journal of Materials Research
  • ISSN: 0884-2914
  • EISSN: 2044-5326
  • URL: /core/journals/journal-of-materials-research
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Holmberg supplementary movies
Movie 2

 Video (581 KB)
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Holmberg supplementary movies
Movie 1

 Video (431 KB)
431 KB


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