Semiconductors

, Volume 51, Issue 4, pp 488–491 | Cite as

On the high charge-carrier mobility in polyaniline molecular channels in nanogaps between carbon nanotubes

  • A. V. Emelianov
  • A. V. Romashkin
  • K. A. Tsarik
  • A. G. Nasibulin
  • V. K. Nevolin
  • I. I. Bobrinetskiy
Carbon Systems

Abstract

This study is devoted to the fabrication of molecular semiconductor channels based on polymer molecules with nanoscale electrodes made of single-walled carbon nanotubes. A reproducible technology for forming nanoscale gaps in carbon nanotubes using a focused Ga+ ion beam is proposed. Polyaniline molecules are deposited into nanogaps up to 30 nm wide between nanotubes by electrophoresis from N-methyl-2-pyrrolidone solution. As a result, molecular organic transistors are fabricated, in which the field effect is studied and the molecular-channel mobility is determined as 0.1 cm2/(V s) at an on/off current ratio of 5 × 102.

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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • A. V. Emelianov
    • 1
  • A. V. Romashkin
    • 1
  • K. A. Tsarik
    • 1
  • A. G. Nasibulin
    • 2
    • 3
  • V. K. Nevolin
    • 1
  • I. I. Bobrinetskiy
    • 1
  1. 1.National Research University of Electronic Technology (MIET)MoscowRussia
  2. 2.Skolkovo Institute of Science and TechnologyMoscowRussia
  3. 3.Department of Applied PhysicsAalto University School of ScienceEspooFinland

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