✦ LIBER ✦

Morphology and crystallographic properties of rubrene thin films grown on muscovite(0 0 1)

✍ Scribed by T. Djuric; A. Thierry; W. Grogger; Sh.M. Abd Al-Baqi; H. Sitter; R. Resel

Publisher: Elsevier Science
Year: 2009
Tongue: English
Weight: 494 KB
Volume: 41
Category: Article
ISSN: 1386-9477
DOI: 10.1016/j.physe.2009.06.012

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✦ Synopsis

Thin films of the organic semiconductor rubrene were deposited on muscovite (0 0 1) substrates by hot wall epitaxy. The morphology of rubrene thin films in combination with their crystallographic properties was characterized by transmission electron microscopy. The initial growth proceeds in a partially wetting regime where amorphous droplets are formed. Through diffusive interactions the droplets merge together in partially crystalline open networks. At a more advanced growth stage, spherulites are formed and a variety of crystalline morphologies appears. Platelet-and needle-like morphologies can be assigned to the orthorhombic phase of rubrene with the [3 0 1] and [11 0] zone axes, respectively.

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Morphology and crystallographic properties of rubrene thin films grown on muscovite(0&#xa0;0&#xa0;1)

✦ Synopsis

Morphology and crystallographic properties of rubrene thin films grown on muscovite(0 0 1)