Communication

Correlating Nanomorphology with Charge-Transport Anisotropy in Conjugated-Polymer Thin Films†

  1. Yi-Fang Huang2,
  2. Chan-Wei Chang3,
  3. Detlef-Matthias Smilgies4,
  4. U-Ser Jeng5,
  5. Anto Regis Inigo2,
  6. Jonathon David White1,*,
  7. Kang-Chuang Li2,
  8. Tsong-Shin Lim6,
  9. Tai-De Li7,
  10. Hsiang-Yun Chen8,9,
  11. Show-An Chen8,
  12. Wen-Chang Chen3,
  13. Wun-Shain Fann2,3,7

Article first published online: 14 APR 2009

DOI: 10.1002/adma.200803341

Issue

Advanced Materials

Advanced Materials

Volume 21, Issue 29, pages 2988–2992, August 7, 2009

Additional Information

How to Cite

Huang, Y.-F., Chang, C.-W., Smilgies, D.-M., Jeng, U.-S., Inigo, A. R., White, J. D., Li, K.-C., Lim, T.-S., Li, T.-D., Chen, H.-Y., Chen, S.-A., Chen, W.-C. and Fann, W.-S. (2009), Correlating Nanomorphology with Charge-Transport Anisotropy in Conjugated-Polymer Thin Films. Advanced Materials, 21: 2988–2992. doi: 10.1002/adma.200803341

Author Information

  1. 1

    Department of Electrical Engineering Yuan Ze University Neili, Taoyuan 320 (Taiwan)

  2. 2

    Institute of Atomic and Molecular Sciences Academia Sinica P. O. Box 23-166 Taipei 106 (Taiwan)

  3. 3

    Institute of Polymer Science and Engineering National Taiwan University Taipei 106 (Taiwan)

  4. 4

    Cornell High Energy Synchrotron Source (CHESS) Wilson Laboratory, Cornell University Ithaca, NY 14853 (USA)

  5. 5

    National Synchrotron Radiation Research Center Hsinchu 300 (Taiwan)

  6. 6

    Department of Physics Tunghai University Taichung 407 (Taiwan)

  7. 7

    Department of Physics National Taiwan University Taipei 106 (Taiwan)

  8. 8

    Department of Chemical Engineering National Tsing Hua University Hsinchu 300 (Taiwan)

  9. 9

    Present address: Department of Chemistry Texas ASH University College Station, TX 77483 (USA)

*Department of Electrical Engineering Yuan Ze University Neili, Taoyuan 320 (Taiwan)

  1. †

    Dedicated to the memory of Professor W. S. Fann.

Publication History

  1. Issue published online: 31 JUL 2009
  2. Article first published online: 14 APR 2009
  3. Manuscript Revised: 17 FEB 2009
  4. Manuscript Received: 13 NOV 2008

Funded by

  • National Science Council of the Republic of China. Grant Numbers: NSC no. 96-2752-E-007-007-PAE, NSC no. 96-2752-E-007-008-PAE, NSC no. 95-2112-M-155-001

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Keywords:

  • Charge-Transport Anisotropy;
  • Conjugated Polymer;
  • Mobility;
  • Morphology

Graphical Abstract

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Anisotropic mobility in spin-coated MEH-PPV films is due to an interfacial layer of several nanometers at the film-substrate interface with a higher electron density assisted by local chain alignment parallel to the substrate. This layer is formed via spin-coating. The strength of this interface effect is dependent on the solvent used.

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