Effects of polymorphism on charge transport in organic semiconductors

Oana D. Jurchescu, Devin A. Mourey, Sankar Subramanian, Sean R. Parkin, Brandon M. Vogel, John E. Anthony, Thomas Nelson Jackson, David J. Gundlach

Research output: Contribution to journalArticle

89 Citations (Scopus)

Abstract

The increasing interest in fluorinated 5,11-bis(triethylsilylethynyl) anthradithiophene is motivated by the demonstrated high-performance organic field-effect transistors and circuits based on this organic semiconductor, complemented by reduced complexity processing methods that enable this performance. We identify two polymorphs of this material and report on their crystal structure, formation, and the effect of the different molecular packings on the electronic properties. The polymorphs are interconvertible through a phase transition that occurs at T=294 K. We study the variations in the electrical properties as a response to the structural changes induced by the phase transition in both single crystals and thin films, and discuss the technological implications that a room-temperature phase transition has on the performance and stability of devices fabricated with this organic semiconductor.

Original languageEnglish (US)
Article number085201
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume80
Issue number8
DOIs
StatePublished - Aug 12 2009

Fingerprint

Semiconducting organic compounds
polymorphism
organic semiconductors
Polymorphism
Charge transfer
Phase transitions
Organic field effect transistors
Electronic properties
Electric properties
field effect transistors
Crystal structure
electrical properties
Single crystals
Thin films
crystal structure
Networks (circuits)
single crystals
room temperature
thin films
Processing

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Jurchescu, O. D., Mourey, D. A., Subramanian, S., Parkin, S. R., Vogel, B. M., Anthony, J. E., ... Gundlach, D. J. (2009). Effects of polymorphism on charge transport in organic semiconductors. Physical Review B - Condensed Matter and Materials Physics, 80(8), [085201]. https://doi.org/10.1103/PhysRevB.80.085201
Jurchescu, Oana D. ; Mourey, Devin A. ; Subramanian, Sankar ; Parkin, Sean R. ; Vogel, Brandon M. ; Anthony, John E. ; Jackson, Thomas Nelson ; Gundlach, David J. / Effects of polymorphism on charge transport in organic semiconductors. In: Physical Review B - Condensed Matter and Materials Physics. 2009 ; Vol. 80, No. 8.
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Jurchescu, OD, Mourey, DA, Subramanian, S, Parkin, SR, Vogel, BM, Anthony, JE, Jackson, TN & Gundlach, DJ 2009, 'Effects of polymorphism on charge transport in organic semiconductors', Physical Review B - Condensed Matter and Materials Physics, vol. 80, no. 8, 085201. https://doi.org/10.1103/PhysRevB.80.085201

Effects of polymorphism on charge transport in organic semiconductors. / Jurchescu, Oana D.; Mourey, Devin A.; Subramanian, Sankar; Parkin, Sean R.; Vogel, Brandon M.; Anthony, John E.; Jackson, Thomas Nelson; Gundlach, David J.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 80, No. 8, 085201, 12.08.2009.

Research output: Contribution to journalArticle

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