Jonathan Rivnay, Michael F. Toney, Yan Zheng, Isaac V. Kauvar, Zhihua Chen, Veit Wagner, Antonio Facchetti and Alberto Salleo Unconventional Face-On Texture and Exceptional In-Plane Order of a High Mobility n-Type Polymer Advanced Materials 22
Substantial in-plane crystallinity and dominant face-on stacking are observed in thin films of a high-mobility n-type rylene-thiophene copolymer. Spun films of the polymer, previously thought to have little or no order are found to exhibit an ordered microstructure at both interfaces, and in the bulk. The implications of this type of packing and crystalline morphology are discussed as they relate to thin-film transistors.
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