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Direct Printing of Solution-Processed Polymer Transistor Circuits

Henning Sirringhaus *

Cavendish Laboratory, Cambridge

Polymer transistor circuits offer new opportunities for the controlled manufacturing of active electronic circuits by a combination of solution processing and direct printing. Control over the morphology of the polymer semiconductor is obtained by making use of self-organisation mechanisms, such as liquid-crystalline phase behaviour. Accurate definition of the transistor channel and other circuit components can be achieved by high resolution printing techniques such as surface energy-assisted inkjet printing. We will discuss recent progress towards new architectures for both planar-channel and vertical-channel polymer transistors with submicrometer channel length, as well as current understanding of charge transport and charge injection in polymer field-effect devices. We will also give an overview over applications of printed transistor circuits, such as active matrix displays or low-cost radifrequency identification labels.


Wednesday Seminars

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