Unraveling unprecedented charge carrier mobility through structure property relationship of four isomers of didodecyl[1]benzothieno[3,2-b][1]benzothiophene

Yusuke Tsutsui, Guillaume Schweicher, Basab Chattopadhyay, Tsuneaki Sakurai, Jean-Baptiste Arlin, C. Ruzié, Almaz Aliev, Artur Ciesielski, Silvia Colella, Alan R. Kennedy, Vincent Lemaur, Yoann Olivier, Rachid Hadji, Lionel Sanguinet, Frédéric Castet, Silvio Osella, Dymytro Dudenko, David Beljonne, Jérôme Cornil, Paolo SamoriShu Seki, Yves H. Geerts

Research output: Contribution to journalArticlepeer-review

93 Citations (Scopus)
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Since the dawn of organic electronics in the 1970’s, academic and industrial research efforts have led to dramatic improvements of the solubility, stability, and electronic properties of organic semiconductors (OSCs).[1, 2] The common benchmark to characterize the electrical performances of OSCs is their charge carrier mobility μ (cm2 V–1 s–1), defined as the drift velocity of the charge carrier (cm s–1) per unit of applied electric field (V cm–1). Reaching high mobilities in OSCs is highly desirable as it allows faster operation of transistors and energy savings by reduced calculation times.[2, 3] However, OSCs performances (conventional values usually range from 1 to 10 cm2 V–1 s–1, with highest values obtained with single-crystal devices mostly exempt of structural defects) are still not comparable to that of state-of-the-art inorganic semiconductors (e.g. metal oxides with µ = 20-50 cm2 V–1 s–1 and polycrystalline silicon with µ > 100 cm2 V–1 s–1) thereby hampering important potential technological applications such as flexible organic light-emitting diode (OLED) displays and wearable electronics.[3, 4]
Original languageEnglish
Pages (from-to)7106-7114
Number of pages9
JournalAdvanced Materials
Issue number33
Early online date25 May 2016
Publication statusPublished - 7 Sep 2016


  • organic semiconductors
  • electrical performances
  • organic light emitting diodes

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