Abstract

This paper introduces two examples of organic thin film growth on in plane heterogeneous substrates. One is growth of pentacene films on SiO2 with metal electrodes, in which nucleation and initial growth process was observed real time by photoemission electron microscopy. Another is growth of sexithiophene (6T) films on SiO2 with periodic grooves (graphoepitaxy). Elongated 6T grains could be obtained along the groove under an optimal growth condition. The mechanism of these growth processes could be basically understood according to a conventional thin film growth theory.

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