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Bulky end-capped [1]Benzothieno[3,2-b]benzothiophenes: Reaching high-mobility organic semiconductors by fine tuning of the crystalline solid-state Order

  • Guillaume Schweicher
  • , Vincent Lemaur
  • , Claude Niebel
  • , Christian Ruzié
  • , Ying Diao
  • , Osamu Goto
  • , Wen Ya Lee
  • , Yeongin Kim
  • , Jean Baptiste Arlin
  • , Jolanta Karpinska
  • , Alan R. Kennedy
  • , Sean R. Parkin
  • , Yoann Olivier
  • , Stefan C.B. Mannsfeld
  • , Jérôme Cornil
  • , Yves H. Geerts
  • , Zhenan Bao

Research output: Contribution to journalArticlepeer-review

159 Scopus citations

Abstract

A series of bulky end-capped [1]benzothieno[3,2-b]benzothiophenes (BTBTs) are developed in order to tune the packing structure via terminal substitution. A coupled theoretical and experimental study allows us to identify 2,7-di-tert-butylBTBT as a new high-performance organic semiconductor with large and well-balanced transfer integrals, as evidenced by quantum-chemical calculations. Single-crystal field-effect transistors show a remarkable average saturation mobility of 7.1 cm2 V-1 s-1.

Original languageEnglish
Pages (from-to)3066-3072
Number of pages7
JournalAdvanced Materials
Volume27
Issue number19
DOIs
StatePublished - May 20 2015

Bibliographical note

Publisher Copyright:
© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords

  • high mobility
  • organic semiconductor
  • organic transistor
  • single-crystal

ASJC Scopus subject areas

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering

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