Optical anisotropy and strong H-aggregation of poly(3-alkylthiophene) in a surface monolayer.

Wang, Fanji; Hashimoto, Kazuhito; Tajima, Keisuke · Adv Mater · 2015

basic_science · Level V

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Abstract

Slab optical waveguide absorption spectra reveal that surface segregated monolayers of a vertically oriented poly(3-buthylthiophene) derivative have large optical anisotropy, and that confinement of the polymer chains in the isolated monolayer causes strong H-aggregation.