Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Improved Second Harmonic Generation from Langmuir-Blodgett Monolayers of an Ionically Combined Bis-chromophore Zinc Complex
Dejian ZhouGeoffrey J. AshwellChunhui Huang
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1997 Volume 26 Issue 1 Pages 7-8

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Abstract

Strong second harmonic generation (SHG) from LB monolayers of a new ionically combined nonlinear optical bis-chromophore zinc complex, bis(E)-N-octadecyl-4-[2-(4-dibutylaminophenyl)ethenyl] pyridinium bis (2-thione-1,3-dithiol-4,5-dimercapto) zinc (1), was observed even when the film was transferred at 5 mN/m. The second-order susceptibility (χ(2)ZZZ) is evaluated to be about 140 pmV−1, which is 2.8 times that of the corresponding dye iodide.

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© 1997 The Chemical Society of Japan
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