4.8 Article

Influence of Alkyl Chain Branching Positions on the Hole Mobilities of Polymer Thin-Film Transistors

Journal

ADVANCED MATERIALS
Volume 24, Issue 48, Pages 6457-6461

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201202689

Keywords

conjugated polymers; polymer field-effect transistors; alkyl chain effect; branched alkyl chains

Funding

  1. Ministry of Science and Technology [2009CB623601]
  2. National Natural Science Foundation of China

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Four polymers that contain alkyl chains branched at different positions on the polymer backbone are prepared. A polymer with 4-decyltetradecyl chains gives an impressive mobility of 3.62 cm(2) V-1 s(-1). This may arise from tighter polymer packing as well as stacking conformation change of the polymer backbone induced by the branching of the alkyl chains.

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