Flexible graphene-based chemical sensors on paper substrates

Gwangseok Yang, Chongmin Lee, Ji Hyun Kim, Fan Ren, Stephen J. Pearton

Research output: Contribution to journalArticle

81 Citations (Scopus)

Abstract

Graphene-based, flexible NO2 sensors on paper substrates exhibited an immediate response (32-39%) once exposed to 200 ppm NO2 gas under a strain of 0.5%. Chemical vapor deposition-grown graphene with a supporting poly(methyl methacrylate) layer was transferred onto paper substrates, followed by formation of two electrodes using silver paste. Current-voltage characteristics and dynamic sensing response were obtained under both relaxed and strained conditions. We demonstrate a facile method without complex photo-lithography and high vacuum processes for fabricating graphene-based flexible NO2 sensors on paper substrates with high sensing response.

Original languageEnglish
Pages (from-to)1798-1801
Number of pages4
JournalPhysical Chemistry Chemical Physics
Volume15
Issue number6
DOIs
Publication statusPublished - 2013 Feb 14

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Graphite
Chemical sensors
graphene
sensors
Substrates
Sensors
Polymethyl Methacrylate
Current voltage characteristics
Vacuum
Ointments
high vacuum
Silver
polymethyl methacrylate
Lithography
Chemical vapor deposition
Electrodes
lithography
Gases
silver
vapor deposition

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Physics and Astronomy(all)

Cite this

Flexible graphene-based chemical sensors on paper substrates. / Yang, Gwangseok; Lee, Chongmin; Kim, Ji Hyun; Ren, Fan; Pearton, Stephen J.

In: Physical Chemistry Chemical Physics, Vol. 15, No. 6, 14.02.2013, p. 1798-1801.

Research output: Contribution to journalArticle

Yang, Gwangseok ; Lee, Chongmin ; Kim, Ji Hyun ; Ren, Fan ; Pearton, Stephen J. / Flexible graphene-based chemical sensors on paper substrates. In: Physical Chemistry Chemical Physics. 2013 ; Vol. 15, No. 6. pp. 1798-1801.
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