Cold Crystallization of the Organic n-Type Small Molecule Semiconductor 2-Decyl-7-phenyl-[1]benzothieno[3,2- b][1]benzothiophene S, S, S′, S′-Tetraoxide

Wolfgang Rao Bodlos*, Sara Mattiello, Andrea Perinot, Lara Gigli, Nicola Demitri, Luca Beverina, Mario Caironi, Roland Resel

*Korrespondierende/r Autor/in für diese Arbeit

Publikation: Beitrag in einer FachzeitschriftArtikel

Abstract

The asymmetric n-type Ph-BTBT-C10 derivative 2-decyl-7-phenyl-[1]benzothieno[3,2-b][1]benzothiophene S,S,S′,S′-tetraoxide is structurally investigated in the thin film regime. After film preparation by spin coating and physical vapor deposition, a rather disordered structure is observed, with a strong change of its internal degree of order upon heating. At 95 °C, a transition into a layered structure of upright standing molecules without any in-plane order appears, and at 135 °C, crystallization takes place. This phase information is combined with surface morphological studies and charge carrier mobility measurements to describe the structure and thin film transistor applicability of this molecule.

Originalspracheenglisch
FachzeitschriftCrystal Growth & Design
DOIs
PublikationsstatusVeröffentlicht - 24 Nov 2020

ASJC Scopus subject areas

  • !!Chemistry(all)
  • !!Materials Science(all)
  • !!Condensed Matter Physics

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