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Synthesis and Two-Photon Spectrum of a Bis(Porphyrin)-Substituted Squaraine
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, Stephen Barlow†, Jean-Luc Brédas†, Harry L. Anderson
, David J. Hagan‡, Eric W. Van Stryland‡ and Seth R. Marder*†Georgia Institute of Technology.
, ‡University of Central Florida.
, §Institute of Physics, Kiev.
, Institute of Organic Chemistry, Kiev.
, University of Oxford.
Section:Abstract
A chromophore in which zinc porphyrin donors are linked through their meso positions by ethynyl bridges to a bis(indolinylidenemethyl) squaraine core has been synthesized using Sonogashira coupling. The chromophore exhibits a two-photon absorption spectrum characterized by a peak cross section of 11 000 GM and, more unusually, also exhibits a large cross section of >780 GM over a photon-wavelength window 750 nm in width.
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This article has been cited by 7 ACS Journal articles (5 most recent appear below).
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Combining Very Large Quadratic and Cubic Nonlinear Optical Responses in Extended, Tris-Chelate Metallochromophores with Six π-Conjugated Pyridinium Substituents
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Benjamin J. Coe, John Fielden, Simon P. Foxon, Bruce S. Brunschwig, Inge Asselberghs, Koen Clays, Anna Samoc and Marek SamocJournal of the American Chemical Society2010 132 (10), 3496-3513We describe a series of nine new complex salts in which electron-rich RuII or FeII centers are connected via π-conjugated bridges to six electron-accepting N-methyl-/N-arylpyridinium groups. This work builds upon our previous preliminary studies (Coe, ...
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History
- Published In Issue June 10, 2009
- Article ASAPMay 12, 2009
- Received: February 25, 2009
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