Enzyme-Mediated Two-Dimensional Polymerization of Aromatic Derivatives on aLangmuir Trough

摘要

An examination of the assembly and biocatalytic polymerization of mixed aromaticmonomeric systems was undertaken using the Langmuir-Blodgett technique. Pressure-area isotherms of 4-(tetradecyloxy)phenol, 4-(hexadecyloxy)phenol, 4-(hexadecyl) aniline, 4-ethylphenol, pyrrole, aniline and phenol in various ratios were determined. Polymerizations on the Langmuir trough were carried out using the enzymes horseradish peroxidase and laccase. UV-Vis spectroscopy revealed that the polymerized monolayers possess extensive electronic conjugation in the polymer backbone. Fourier-transformed IR, attenuated total reflection-Fourier-transformed IR, thermal gravimetric analysis, conductivity and non-linear optical properties were measured to characterize the monolayers, to determine the extent of conjugation, to assess the orientation of the alkyl chains with respect to the substrate surface for LB films with multilayers, and to assess electrical and optical properties.