Marker-free on-the-fly fabrication of graphene devices based on fluorescence quenching

  • Sagar A
  • Kern K
  • Balasubramanian K
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Abstract

Graphene has been dominating the electronic research community recently, with a brisk surge in proposals for its use in novel devices. The aspirations of 2D-carbon-based electronics largely rely on the availability of a mass-production technique to obtain wafer-scale graphene circuits. In this paper, we take a first step towards fulfilling this aspiration by demonstrating a rapid prototyping route for graphene-based devices. The method is based on our observation that graphene quenches the fluorescence from dyes. Utilizing this property, we use a confocal microscope to identify graphene flakes and perform the required lithography steps, bypassing the need for markers and other infrastructure such as atomic force microscopy or e-beam lithography. The versatility of this technique enables it to harbour ambitions of an automated process for large scale in situ assembly of graphene-based circuits

Author-supplied keywords

  • ASSEMBLIES
  • CARBON NANOTUBES
  • CIRCUITS
  • DEVICE
  • DEVICES
  • DIRAC
  • ELECTRONICS
  • FABRICATION
  • FLUORESCENCE
  • FORCE
  • GRAPHITE
  • LARGE-SCALE
  • LITHOGRAPHY
  • MICROSCOPE
  • MICROSCOPY
  • NANOELECTRONICS
  • OXIDE
  • ROUTE
  • SIO2
  • TIME
  • atomic force microscopy
  • dyes
  • graphene
  • graphene devices
  • on

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Authors

  • A Sagar

  • K Kern

  • K Balasubramanian

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