Communication

Dipolar Chromophore Functional Layers in Organic Field Effect Transistors†

  1. Peerasak Paoprasert2,
  2. Byoungnam Park2,
  3. Heesuk Kim1,
  4. Paula Colavita1,
  5. Robert J. Hamers1,*,
  6. Paul G. Evans2,*,
  7. Padma Gopalan2,*

Article first published online: 6 OCT 2008

DOI: 10.1002/adma.200800951

Issue

Advanced Materials

Advanced Materials

Volume 20, Issue 21, pages 4180–4184, November 3, 2008

Additional Information

How to Cite

Paoprasert, P., Park, B., Kim, H., Colavita, P., Hamers, R. J., Evans, P. G. and Gopalan, P. (2008), Dipolar Chromophore Functional Layers in Organic Field Effect Transistors. Advanced Materials, 20: 4180–4184. doi: 10.1002/adma.200800951

Author Information

  1. 1

    Department of Chemistry, University of Wisconsin Madison, WI 53706 (USA)

  2. 2

    Department of Materials Science and Engineering and Materials Science Program University of Wisconsin Madison, WI 53706 (USA)

*Department of Chemistry, University of Wisconsin Madison, WI 53706 (USA).

  1. †

    P. P. and B. P. contributed equally to the paper. Supporting Information is available online from Wiley InterScience or from the authors.

Publication History

  1. Issue published online: 29 OCT 2008
  2. Article first published online: 6 OCT 2008
  3. Manuscript Received: 8 APR 2008

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Keywords:

  • chromophores;
  • electronic interfaces;
  • functionalized molecules;
  • organic field-effect transistors

Graphical Abstract

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A layer of functionalized disperse red 19 (DR19) chromophore molecules leads to novel reversible photoelectrical characteristics in organic thin film field effect transistor. Photoassisted poling, along with the change in the dipole of the DR19 under illumination, and photoinduced charge transfer to electron traps in the DR19 layer combine to change the threshold voltage of transistors by up to 100 V.

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