Conductivity and Third-Order Nonlinear Optical Measurements of Polymers with Distyrylbenzene and Diphenylbutadiene Segments

Thomas E. Mates, Christopher K. Ober, Robert Norwood

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

New polymers were synthesized with discrete conjugated hydrocarbon segments alternating with flexible spacer groups. These processable polymers were designed for third-order nonlinear optical and conductivity studies for comparison with “fully-conjugated” polymers. The present materials contain distyrylbenzene or diphenylbutadiene units and have the advantages of solubility and melt processibility over “fully-conjugated” systems such as poly (acetylene). They were found in degenerate four-wave mixing experiments to have third-order optical susceptibilities in the range of 3 × 10−12 esu. These values are within an order of magnitude of the χ(3) value reported for unaligned poly(phenylenevinylene). Electrical conductivity measurements using I2 and H2SO4 dopants, however, provided materials with conductivities from 2 × 10−5 to 7 × 10−5 × 10−5 S/cm, far lower than poly(phenylenevinylene).

Original languageEnglish (US)
Pages (from-to)217-221
Number of pages5
JournalChemistry of Materials
Volume5
Issue number2
DOIs
StatePublished - Jan 1 1993
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

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