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Controlled Deposition of Highly Ordered Soluble Acene Thin Films: Effect of Morphology and Crystal Orientation on Transistor Performance
Author(s) -
Sele Christoph W.,
Kjellander B. K. Charlotte,
Niesen Bjoern,
Thornton Martin J.,
van der Putten J. Bas P. H.,
Myny Kris,
Wondergem Harry J.,
Moser Armin,
Resel Roland,
van Breemen Albert J. J. M.,
van Aerle Nick,
Heremans Paul,
Anthony John E.,
Gelinck Gerwin H.
Publication year - 2009
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200901548
Subject(s) - materials science , acene , transistor , characterization (materials science) , thin film transistor , semiconductor , organic semiconductor , deposition (geology) , morphology (biology) , nanotechnology , optoelectronics , thin film , crystal (programming language) , molecule , layer (electronics) , organic chemistry , paleontology , chemistry , physics , genetics , quantum mechanics , voltage , sediment , computer science , biology , programming language
Controlling the morphology of soluble small molecule organic semiconductors is crucial for the application of such materials in electronic devices. Using a simple dip‐coating process we systematically vary the film drying speed to produce a range of morphologies, including oriented needle‐like crystals. Structural characterization as well as electrical transistor measurements show that intermediate drying velocities produce the most uniformly aligned films.