Large Modulation of Charge Transport Anisotropy by Controlling the Alignment of π–π Stacks in Diketopyrrolopyrrole‐Based Polymers

ADVANCED MATERIALS INTERFACES(2015)

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Abstract
Solvent-assistant room-temperature nanoimprinting lithography is used to fabricate field effect transistors composed of nanostrip arrays as active channels. The nanostrips comprise highly ordered nanocrystalline diketopyrrolopyrrole–polymer lamellae, in which the b-axis is aligned essentially parallel to the long axis of nanostrips. The charge mobility is increased by a factor of 20, compared to those of homogeneous thin films. As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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Key words
charge carrier mobility,field-effect transistors,modulation,nanoimprint lithography,semiconducting polymers
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