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Title: Electrical pulse fabrication of graphene nanopores in electrolyte solution

Nanopores in graphene membranes can potentially offer unprecedented spatial resolution for single molecule sensing, but their fabrication has thus far been difficult, poorly scalable, and prone to contamination. We demonstrate an in-situ fabrication method that nucleates and controllably enlarges nanopores in electrolyte solution by applying ultra-short, high-voltage pulses across the graphene membrane. This method can be used to rapidly produce graphene nanopores with subnanometer size accuracy in an apparatus free of nanoscale beams or tips.
Authors:
;  [1] ;  [2] ;  [3] ;  [1] ;  [4]
  1. School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138 (United States)
  2. Department of Physics, Harvard University, Cambridge, Massachusetts 02138 (United States)
  3. Oxford Nanopore Technologies, One Kendall Square, Cambridge, Massachusetts 02139 (United States)
  4. (United States)
Publication Date:
OSTI Identifier:
22402472
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 106; Journal Issue: 20; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ELECTROLYTES; GRAPHENE; MATHEMATICAL SOLUTIONS; MEMBRANES; MOLECULES; NANOSTRUCTURES; PULSES; SPATIAL RESOLUTION