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Growth, Structure, and Anisotropic Optical Properties of Difluoro-anthradithiophene Thin Films

  • Timo Storzer
  • , Alexander Hinderhofer
  • , Clemens Zeiser
  • , Jiří Novák
  • , Zbyněk Fišer
  • , Valentina Belova
  • , Berthold Reisz
  • , Santanu Maiti
  • , Giuliano Duva
  • , Rawad K. Hallani
  • , Alexander Gerlach
  • , John E. Anthony
  • , Frank Schreiber

Producción científica: Articlerevisión exhaustiva

13 Citas (Scopus)

Resumen

Anthradithiophene (ADT) and its functionalized derivatives have proven to be attractive for high-performance electronic devices based on small-molecule organic semiconductors. In this manuscript we investigate the structural and optical properties of thin films of difluoro-anthradithiophene (diF-ADT), an ADT derivative, grown by organic molecular beam deposition (OMBD). By grazing incidence X-ray diffraction and reciprocal space maps, we show that diF-ADT crystallizes in a thin film structure similar to the single crystal unit cell. In addition, we investigate the growth characteristics with atomic force microscopy (AFM) and show an increase of surface mound sizes with elevated substrate temperature. Optical absorption measurements reveal a clear vibronic progression in both solution and thin film spectra along with a distinct optical anisotropy related to the molecular orientation in thin films. (Figure Presented).

Idioma originalEnglish
Páginas (desde-hasta)21011-21017
Número de páginas7
PublicaciónJournal of Physical Chemistry C
Volumen121
N.º38
DOI
EstadoPublished - sept 28 2017

Nota bibliográfica

Publisher Copyright:
© 2017 American Chemical Society.

Financiación

Support from the DFG is gratefully acknowledged. G.D. acknowledges support from the Carl Zeiss foundation. J.N. acknowledges support from the project CEITEC 2020 (Grant No. LQ1601 financed by the MEYS of the Czech Republic) and CEITEC Nano Research Infrastructure (LM2015041, MEYS CR, 2016-2019). We also acknowledge support from DAAD/AWTR/MEYS Grant No. 57215815/7AMB16DE006.

FinanciadoresNúmero del financiador
CEITEC Nano Research InfrastructureLM2015041
DAAD/AWTR/MEYS57215815/7AMB16DE006
Carl-Zeiss-StiftungLQ1601
Deutsche Forschungsgemeinschaft
Ministerstvo Školství, Mládeže a Tělovýchovy

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • General Energy
    • Physical and Theoretical Chemistry
    • Surfaces, Coatings and Films

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