Free Access
J. Chim. Phys.
Volume 95, Number 6, June 1998
Page(s) 1367 - 1371
DOI: 10.1051/jcp:1998285

J. Chim. Phys. Vol. 95, N°6  p. 1367-1371

Substate and evaporation rate dependent orientation and crystalline organization of sexithiophene films vacuum deposited onto Au and HOPG

M. El Ardhaoui1, P. Lang1, F. Garnier1 and J.P. Roger2

1  LMM, 2 rue H. Dunant, CNRS, 94320 Thiais, France
2  ENSCP, 10 rue Vauquelin, 75005 Paris, France

The orientation and the crystalline organization of the films depend largely on the nature of the substrate and the deposition rate. The substrate effect is related to its interactions with the oligomers and also to the molecular mobility at the surface. It depends also largely on the deposition rate.

L'orientation et l'organisation structurale des films de sexithiophène évaporés sous vide sont fortement liées à la nature du substrat (Au, HOPG) et à la vitesse de dépôt. L'effet du substrat est lié aux interactions avec les oligomères ainsi qu'à la mobilité de ces derniers sur la surface. Cet effet dépend largement de la vitesse d'évaporation.

Key words: orientation -- sexithiophene -- HOPG -- Au

© EDP Sciences 1998

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