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Controlled Deposition of Highly Ordered Soluble Acene Thin Films: Effect of Morphology and Crystal Orientation on Transistor Performance

Christoph Sele, Charlotte Kjellander, Bjoern Niesen, Martin Thornton, Bas van der Putten, Kris Myny, Harry Wondergem, Armin Moser, Roland Resel, Albert van Breemen, Nick van Aerle, Paul Heremans, John Anthony and Gerwin Gelinck, Weinheim (2009)

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.

Partners : TNO, imec

Place of Publication : Weinheim

Date of Publication : 2009/12/28

Additional Data : Adv. Mater. 2009, 21, 4926-4931

Link to the online version of the article.