Three-dimensional molecular packing of thin organic films of PTCDI-C 8 determined by surface X-ray diffraction

Tobias N. Krauss, Esther Barrena, Xue N. Zhang, Dimas G. De Oteyza, J. Major, Volker Dehm, Frank Würthner, Leide P. Cavalcanti, Helmut Dosch

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

We have determined the full molecular 3D packing of thin organic films of the archetypical organic n-type semiconductor N,N′-dioctyl-3.4:10-perylene tetracarboxylic diimide (PTCDI-C8) by surface X-ray crystallography. We show that PTCDI-C8 forms smooth layered films on Al 2O3 (11 -20) with an outstanding degree of molecular order. The thin-film structure is found to consist of a triclinic unit cell with the plane of the aromatic core tilted by 67 ± 2° with respect to the surface plane, which differs significantly from the bulk structure. The 3D crystallites extend with vertical coherent order across the entire film thickness.

Original languageEnglish
Pages (from-to)12742-12744
Number of pages3
JournalLangmuir
Volume24
Issue number22
DOIs
Publication statusPublished - Nov 18 2008

Fingerprint

Perylene
X ray diffraction
n-type semiconductors
X ray crystallography
organic semiconductors
Crystallites
diffraction
crystallites
crystallography
Film thickness
x rays
film thickness
Semiconductor materials
Thin films
thin films
cells

ASJC Scopus subject areas

  • Electrochemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Materials Science(all)
  • Spectroscopy

Cite this

Krauss, T. N., Barrena, E., Zhang, X. N., De Oteyza, D. G., Major, J., Dehm, V., ... Dosch, H. (2008). Three-dimensional molecular packing of thin organic films of PTCDI-C 8 determined by surface X-ray diffraction. Langmuir, 24(22), 12742-12744. https://doi.org/10.1021/la8030182

Three-dimensional molecular packing of thin organic films of PTCDI-C 8 determined by surface X-ray diffraction. / Krauss, Tobias N.; Barrena, Esther; Zhang, Xue N.; De Oteyza, Dimas G.; Major, J.; Dehm, Volker; Würthner, Frank; Cavalcanti, Leide P.; Dosch, Helmut.

In: Langmuir, Vol. 24, No. 22, 18.11.2008, p. 12742-12744.

Research output: Contribution to journalArticle

Krauss, TN, Barrena, E, Zhang, XN, De Oteyza, DG, Major, J, Dehm, V, Würthner, F, Cavalcanti, LP & Dosch, H 2008, 'Three-dimensional molecular packing of thin organic films of PTCDI-C 8 determined by surface X-ray diffraction', Langmuir, vol. 24, no. 22, pp. 12742-12744. https://doi.org/10.1021/la8030182
Krauss, Tobias N. ; Barrena, Esther ; Zhang, Xue N. ; De Oteyza, Dimas G. ; Major, J. ; Dehm, Volker ; Würthner, Frank ; Cavalcanti, Leide P. ; Dosch, Helmut. / Three-dimensional molecular packing of thin organic films of PTCDI-C 8 determined by surface X-ray diffraction. In: Langmuir. 2008 ; Vol. 24, No. 22. pp. 12742-12744.
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