Unconventional Face‐On Texture and Exceptional In‐Plane Order of a High Mobility n‐Type Polymer
Jonathan Rivnay(Stanford University), Michael F. Toney(Stanford Synchrotron Radiation Lightsource), Yan Zheng, Isaac Kauvar(Stanford University), Zhihua Chen, V. Wagner(Constructor University), Antonio Facchetti, Alberto Salleo(Stanford University)
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Abstract
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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