Mixed mono- and multilayers of poly(isocyanide)s with non-linear optically active side chains

M.N. Teerenstra, J.G. Hagting, G.T. Oostergetel, A.J. Schouten, M.A.C. Devillers, R.J.M. Nolte

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Abstract

The properties and structure of Langmuir-Blodgett mono- and multilayers of several poly(isocyanide)s with non-linear optically active side-chains were studied. These polymers formed very rigid layers or layers which appeared to be unstable. To circumvent this problem they were mixed with other poly(isocyanide)s or with amylose-butyrate. Transmission electron microscopy studies of the polymeric mixtures revealed that phase separation occurred in all cases and that only poly(isocyanide)s substituted with hydrophilic side chains formed monomolecular layers. Depending on the nature of the polymer which was used for mixing, the dye polymers could be deposited with Y- or Z-type transfer. Second-harmonic intensities generated from these films were small in the case of the Y-type multilayered films and moderately high in the case of the Z-type films.
Original languageEnglish
Number of pages5
JournalThin Solid Films
Volume248
Issue number1
DOIs
Publication statusPublished - 1994

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