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Growth of Rubrene thin film, spherulites and nanowires on SiO 2
Author(s) -
Luo Y.,
Brun M.,
Rannou P.,
Grevin B.
Publication year - 2007
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.532
H-Index - 104
eISSN - 1862-6319
pISSN - 1862-6300
DOI - 10.1002/pssa.200675340
Subject(s) - rubrene , nucleation , materials science , thin film , crystallite , substrate (aquarium) , amorphous solid , scanning electron microscope , nanowire , nanotechnology , atomic force microscopy , optical microscope , optoelectronics , crystallography , chemistry , composite material , metallurgy , oceanography , organic chemistry , geology
The growth of rubrene thin films thermally evaporated under ultra‐high vacuum (UHV) on SiO 2 has been investigated by combining atomic force microscopy (AFM), scanning electron microscopy (SEM), and polarized optical microscopy (POM) techniques. A mode of thin film growth in which an amorphous continuous holy film first covers the substrate, and acts afterwards as a template for the nucleation of polycrystalline rubrene spherulites, has been identified. Additionally, rubrene one‐dimensional structures have been observed with a catalyst‐free growth process. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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