Langmuir-Blodgett films of preformed copolymers of N-alkylacrylamides with vinylcarbazole

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Copolymers of N-dodecylacrylamide and N-octylacrylamide with N-vinylcarbazole give stable monolayers on pure water. The copolymer monolayers can be transfered onto solid supports successively using the Langmuir-Blodgett (LB) method. The photoinduced electron transfer from carbazole in the copolymer monolayer to a viologen acceptor in the adjacent monolayer at the same interface was studied using the emission quenching method. It is concluded that the carbazole chromophore can be incorporated into the polymer LB film as a comonomer of alkylacrylamides which have excellent monolayer formation ability. This method is useful for obtaining a photofunctional polymer LB film.