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Graphene Sensors: Polycrystalline Graphene Ribbons as Chemiresistors (Adv. Mater. 1/2012)

  1. Amin Salehi-Khojin1,5,†,
  2. David Estrada2,3,†,
  3. Kevin Y. Lin1,‡,
  4. Myung-Ho Bae2,3,‡,
  5. Feng Xiong2,3,4,‡,
  6. Eric Pop2,3,4,
  7. Richard I. Masel5,*

Article first published online: 29 DEC 2011

DOI: 10.1002/adma.201190200

Issue

Advanced Materials

Advanced Materials

Volume 24, Issue 1, page 52, January 3, 2012

Additional Information

How to Cite

Salehi-Khojin, A., Estrada, D., Lin, K. Y., Bae, M.-H., Xiong, F., Pop, E. and Masel, R. I. (2012), Graphene Sensors: Polycrystalline Graphene Ribbons as Chemiresistors (Adv. Mater. 1/2012). Adv. Mater., 24: 52. doi: 10.1002/adma.201190200

Author Information

  1. 1

    Department of Chemical and Biomolecular Engineering, University Of Illinois at Urbana Champaign, USA

  2. 2

    Department of Electrical and Computer Engineering, University Of Illinois at Urbana Champaign, USA

  3. 3

    Micro and Nanotechnology Lab, University Of Illinois at Urbana Champaign, USA

  4. 4

    Beckman Institute, University Of Illinois at Urbana Champaign, USA

  5. 5

    Dioxide Materials, 60 Hazelwood Dr, Champaign IL 61820, USA

  1. †

    A.S.-K. and D.E. contributed equally to this work.

  2. ‡

    K.Y.L., M.-H.B., and F.X. contributed equally to this work.

*Dioxide Materials, 60 Hazelwood Dr, Champaign IL 61820, USA.

Publication History

  1. Issue published online: 29 DEC 2011
  2. Article first published online: 29 DEC 2011

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Polycrystalline graphene sensors are presented by Richard I. Masel and co-workers on page 53. The image shows polycrystalline graphene ribbon chemiresistors with gold contacts visualizing linear defects or wrinkles in the graphene. Floating or attached toluene molecules act as electron donors. Such defective graphene devices exhibit a higher chemical sensitivity than pristine graphene or carbon nanotube chemire-sistors. (Image by Alex Jerez, Beckman Institute, University of Illinois at Urbana-Champaign.)

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