Journal
CRYSTAL GROWTH & DESIGN
Volume 11, Issue 8, Pages 3629-3635Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cg200646h
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Funding
- Helmholtz-Zentrum Berlin
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Device performances in organic electronics are strongly influenced by the structure and morphology of the active layer. We investigated the thin film of diindenoperylene, a promising candidate for electronics, deposited on polycrystalline gold, and Au(100) and Au(111) single crystals using X-ray absorption and photoemission together with atomic force microscopy. The results show the influence of the substrate morphology, in this case via the roughness, on the structure of the obtained films. This affects the intermolecular interactions as evidenced by different details in X-ray absorption comparing the three cases. A further source of influence is the surface lattice geometry of the substrate that affects the shape of the islands. This behavior mimics very closely the behavior of atoms on metal growth, showing a general pattern in matter organization in the nanoscale regime.
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