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Mechanically flexible films of the highly crystalline core-cyanated perylenediimide (PDIF-CN) molecular semiconductor are achieved via a novel grain boundary plasticization strategy in which a specially designed polymeric binder (PB) is used to connect crystallites at the grain boundaries. The new PB has a naphthalenediimide-dithiophene π-conjugated backbone end-functionalized with PDI units. In contrast to conventional polymer-small molecule blends, where distinct phase separation occurs, this blend film with plasticized grain boundaries exhibits a morphology typical of homogeneous PDIF-CN films which is preserved upon bending at radii as small as 2 mm. Thin-film transistors fabricated with PB/PDIF-CN blends exhibit substantial electron mobilities even after repeated bending. This design represents a new approach to realizing flexible and textured semiconducting π-electron films with good mechanical properties and charge transport properties.
This article was published in the following journal.
Name: Journal of the American Chemical Society
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Works consisting of nonfiction films and video designed to teach, instruct, or train. (From Moving Image Materials: Genre Terms, 1988)
SEEDS used as a major nutritional source, most often the grain from the POACEAE family.
Methods and techniques used to modify or select cells and develop conditions for growing cells for biosynthetic production of molecules (METABOLIC ENGINEERING), for generation of tissue structures and organs in vitro (TISSUE ENGINEERING), or for other BIOENGINEERING research objectives.
A hardy grain crop, rye, grown in northern climates. It is the most frequent host to ergot (CLAVICEPS), the toxic fungus. Its hybrid with TRITICUM is TRITICALE, another grain.
Works consisting of films, videos, and programs which depict actual persons or actual events. They do not include frank historical re-creations and do not attempt to judge the truth of the depiction in a film purporting to be factual or documentary in character. (From Moving Image Materials: Genre Terms, 1988)