4.7 Article

A nanogroove-guided slot-die coating technique for highly ordered polymer films and high-mobility transistors

Journal

CHEMICAL COMMUNICATIONS
Volume 52, Issue 2, Pages 358-361

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cc05247e

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Funding

  1. A*STAR SERC TSRP grant [102 170 0137]
  2. IMRE exploratory project fund [IMRE/14-1C0247]

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A nanogroove-guided slot-die coating technique has been developed to manipulate the alignment of polymer chains within a short processing time. A combination of directional movement of slot-die and uniaxial nanogrooves on the substrate for the unidirectional flow of solution suppresses the multiple degrees of conformational freedom, resulting in long-range oriented polymer films and a high field effect mobility of similar to 5 cm(2) V-1 s(-1).

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