Large-scale hierarchically structured conjugated polymer assemblies with enhanced electrical conductivity

Wei Han, Ming He, Myunghwan Byun, Bo Li, Zhiqun Lin

Research output: Contribution to journalArticlepeer-review

76 Scopus citations

Abstract

Stripes on a plane: A set of highly ordered microscopic stripes (purple; see scheme) were produced over a large area by using controlled evaporative self-assembly in a cylinder-on-Si geometry of conjugated homopolymers or all-conjugated diblock copolymer (P3BHT). The crystallinity of the as-prepared assemblies of P3BHT was greatly improved following chloroform vapor annealing, resulting in a fourfold increase in electrical conductivity.

Original languageEnglish
Pages (from-to)2564-2568
Number of pages5
JournalAngewandte Chemie - International Edition
Volume52
Issue number9
DOIs
StatePublished - 25 Feb 2013

Keywords

  • block copolymers
  • conjugated polymers
  • electrical conductivity
  • evaporative self-assembly
  • self-assembly

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