Tuning crystalline solid-state order and charge transport via building-block modification of oligothiophenes

Colin Reese, Mark E. Roberts, Sean R. Parkin, Zhenan Bao

Research output: Contribution to journalArticlepeer-review

51 Scopus citations

Abstract

The packing structure of a series of oligothiophenes is tuned via terminal substitution (see figure). The structural changes dramatically alter intermolecular interactions and charge-transport properties, as measured by elastomeric singlecrystal field-effect transistors. Electronic structure calculations reveal the sensitivity of the transport efficiency to orbital nodal alignment, as correlated to the observed trend in field-effect mobilities.

Original languageEnglish
Pages (from-to)3678-3681
Number of pages4
JournalAdvanced Materials
Volume21
Issue number36
DOIs
StatePublished - 2009

ASJC Scopus subject areas

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering

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