The study of the supramolecular organization of organic semiconductors on the dielectric layer of thin-film field effect transistors was presented. It was demonstrated that AFM cannot reveal ultra-thin domains of T6 molecules lying flat on the substrate. The film was found to be composed of two complete layers of T6 molecules for a total height profile of ∼nm as per the AFM measurement. It was observed that in submonolayer films of T6 on silicon dioxide, there is coexistence of two phases composed, respectively by molecules perpendicular and parallel to the substrate.
Supramolecular organization in ultra-thin films of α-sexithiophene on silicon dioxide / Loi, M. A.; Como, E. D. A.; Dinelli, F.; Murgia, M.; Zamboni, R.; Biscarini, F.; Muccini, M.. - In: NATURE MATERIALS. - ISSN 1476-1122. - 4:1(2005), pp. 81-85. [10.1038/nmat1279]
Supramolecular organization in ultra-thin films of α-sexithiophene on silicon dioxide
Biscarini F.;
2005
Abstract
The study of the supramolecular organization of organic semiconductors on the dielectric layer of thin-film field effect transistors was presented. It was demonstrated that AFM cannot reveal ultra-thin domains of T6 molecules lying flat on the substrate. The film was found to be composed of two complete layers of T6 molecules for a total height profile of ∼nm as per the AFM measurement. It was observed that in submonolayer films of T6 on silicon dioxide, there is coexistence of two phases composed, respectively by molecules perpendicular and parallel to the substrate.
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