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Thiophene based hyperbranched polymers with tunable branching using direct arylation methods

Polymer Chemistry, ISSN: 1759-9962, Vol: 4, Issue: 12, Page: 3499-3506
2013
  • 84
    Citations
  • 0
    Usage
  • 64
    Captures
  • 0
    Mentions
  • 4
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    84
    • Citation Indexes
      84
  • Captures
    64
  • Social Media
    4
    • Shares, Likes & Comments
      4
      • Facebook
        4

Article Description

An efficient one-pot synthesis of branched poly(3-alkylthiophene)s (b-P3ATs) is achieved via a dehydrohalogenative polycondensation reaction. The structures of the b-P3ATs are assigned based on H NMR spectra by comparing them to a model dendritic polymer and oligo(3-hexylthiophene-2,4-diyl) . The palladium-catalyzed dehydrohalogenative polycondensation of 2-bromo-3-alkylthiophenes was found to provide P3AT with tunable degree of branching (DB = 0-0.42) and high molecular weights. Viscosity measurements of the different b-P3ATs indicate that they display a more globular morphology compared to regiorandom P3AT and regioregular P3AT in solution, thereby confirming the branched structure. © 2013 The Royal Society of Chemistry.

Bibliographic Details

Ken Okamoto; Jeremy B. Housekeeper; Christine K. Luscombe; Forrest E. Michael

Royal Society of Chemistry (RSC)

Chemical Engineering; Biochemistry, Genetics and Molecular Biology; Materials Science; Chemistry

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