Predictive Model for the Meniscus-Guided Coating of High-Quality Organic Single-Crystalline Thin Films

Predictive Model for the Meniscus-Guided Coating of High-Quality Organic Single-Crystalline Thin Films

A model that describes solvent evaporation dynamics in meniscus‐guided coating techniques is developed. In combination with a single fitting parameter, it is shown that this formula can accurately predict a processing window for various coating conditions. Organic thin‐film transistors (OTFTs), fabr...

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Veröffentlicht in:Advanced materials (Weinheim) 2016-09, Vol.28 (36), p.8007-8013
Hauptverfasser: Janneck, Robby, Vercesi, Federico, Heremans, Paul, Genoe, Jan, Rolin, Cedric
Format: Artikel
Sprache:eng
Schlagworte:
C8-BTBT
Coating
Evaporation
field-effect mobility
Fittings
Mathematical models
meniscus-guided coating
organic transistors
Semiconductor devices
single crystals
Solvents
Thin film transistors
Thin films
TIPS-pentacene
zone casting
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Beschreibung
Zusammenfassung:A model that describes solvent evaporation dynamics in meniscus‐guided coating techniques is developed. In combination with a single fitting parameter, it is shown that this formula can accurately predict a processing window for various coating conditions. Organic thin‐film transistors (OTFTs), fabricated by a zone‐casting setup, indeed show the best performance at the predicted coating speeds with mobilities reaching 7 cm2 V−1 s−1.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201602377