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Very large second order non-linear optical activity shown by heterocycle-based dicyanomethanide zwitterions

Materials Research Society Symposium - Proceedings, ISSN: 0272-9172, Vol: 488, Page: 819-822
1997
  • 12
    Citations
  • 0
    Usage
  • 1
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    12
    • Citation Indexes
      12
  • Captures
    1

Conference Paper Description

The new series of recently synthesized chromophores 2 - 6 in which a positively charged N-alkylpyridinium acceptor and a negatively charged dicyanomethanide donor are spaced by thiophene-based and/or ethylenic bridging units show dramatically enhanced first molecular hyperpolarizabilities (μβ as high as 27000×10 esu), in comparison with some of the best recently reported neutral systems 7 and 8.

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