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Proceedings Paper

Metallophthalocyanine: aggregation and nonlinear optics
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Paper Abstract

Novel two-dimensional conjugated systems have been developed for second- and third-order nonlinear optics. Four types of asymmetrically substituted macrocycles and non-aggregated phthalocyanines were synthesized and their second- and third-order nonlinear optical properties were characterized: meso-monosubstituted octaethyl metalloporphyrins, (beta) - monosubstituted tetraphenyl metalloporphyrins, mono (tert-butyl) vanadyl phthalocyanine, tris (tert-butyl) mononitro metallophthalocyanines, and hexadeca (trifluoroethoxy) metallophthalocyanines. Control of molecular packing in asymmetric vanadyl phthalocyanine was described in terms of the enhancement of the third-order nonlinear optical susceptibility. No evidence of molecular aggregation was observed in optical absorption and electroabsorption spectra for hexadeca (trifluoroethoxy) metal-free and vanadyl phthalocyanines. The effects of the substituents and metallation on the dipole moment for asymmetric porphyrins is discussed. A preliminary investigation of the second-order nonlinear optical responses for Z-type Langmuir-Blodgett films and poled molecularly doped polymer is presented.

Paper Details

Date Published: 15 May 1994
PDF: 8 pages
Proc. SPIE 2143, Organic, Metallo-Organic, and Polymeric Materials for Nonlinear Optical Applications, (15 May 1994); doi: 10.1117/12.173816
Show Author Affiliations
Tatsuo Wada, Institute of Physical and Chemical Research (Japan)
Hiroyuki Sasabe, Institute of Physical and Chemical Research (Japan)


Published in SPIE Proceedings Vol. 2143:
Organic, Metallo-Organic, and Polymeric Materials for Nonlinear Optical Applications
Seth R. Marder; Joseph W. Perry, Editor(s)

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