Decreased optical nonlinearities upon CF3 substitution on tricyanofuran acceptors.
Org Lett
; 10(21): 4963-6, 2008 Nov 06.
Article
em En
| MEDLINE
| ID: mdl-18839961
ABSTRACT
Replacement of the tricyanofuran (TCF) acceptor by its stronger analogue CF 3-TCF results in decreased second-order optical nonlinearities in merocyanines bearing a proaromatic 1,3-dithiole donor. The TCF-containing derivatives display exceptionally high mu beta values up to 31,000 x 10(-48) esu, unprecedented for 1,3-dithiole-based NLO-phores.
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MEDLINE
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En
Ano de publicação:
2008
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Article