Novel non-aggregated unsymmetrical metallophthalocyanines for second-order non-linear optics
- 1 January 1997
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of Materials Chemistry
- Vol. 7 (6) , 861-863
- https://doi.org/10.1039/a701606i
Abstract
Novel soluble unsymmetrical metallophthalocyanines with twelve 2,2,2-trifluoroethoxy groups as donor substituents and a mono-nitro or an exocyclic conjugated nitro group as an acceptor substituent have been synthesized and characterized. A study of the concentration dependence of UV–VIS absorption spectra showed they were non-aggregated phthalocyanines in solution and in doped polymer films. Second harmonic generation of spin-coated thin films of poly(methyl methacrylate) doped with these metallophthalocyanines was observed after electric poling at 110 °C for 30 min at a fundamental wavelength of 1.064 µm.Keywords
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