Review of morphology dependent charge carrier mobility in MEH-PPV

A. R. Inigo, J. D. White, Y. S. Huang, W. S. Fann, K.Y. Peng, S. A. Chen

Research output: Contribution to journalLiterature reviewpeer-review

18 Citations (Scopus)
183 Downloads (Pure)

Abstract

Charge carrier mobility in poly(2-methoxy,5(2'-ethyl-hexyloxy)-p-phenylene vinylene) (MEH-PPV) films were measured as a function of temperature and electric field parallel and perpendicular to the substrate for devices prepared from different solvents and under different processing conditions Bulk structural morphology was characterized by various X-ray diffraction measurements such as wide angle, small angle and X-ray reflection. Surface morphology was characterized using various scanning probe microscopic techniques Mobilities were found to follow Gaussian disorder model (GDM) and to be highly anisotropic not only depending on the solvents used but also on the film preparation method such as spin-coating or drop-casting While no direct correlation was found between charge carrier mobility and photoluminescence, charge transport parameters were correlated with structural morphology

Original languageEnglish
Pages (from-to)459-468
Number of pages10
JournalJournal of the Chinese Chemical Society
Volume57
Issue number3B
Publication statusPublished - 2010

Keywords

  • review
  • morphology dependent
  • charge carrier mobility
  • MEH-PPV
  • drift mobility
  • TOF
  • TrEL
  • FET

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