Synthesis and energy transfer in original poly(3-alkylthiophene)-g-poly(fluorene) toothbrush copolymers

A series of P3AT-g-PF brush copolymers are prepared by grafting PF sidechains to different P3AT blockcopolymers. UV-vis spectra are recorded to probe the effect of the covalent attachment of the PF sidechains on their aggregation. Fluorescence spectra in pure chloroform are measured and subsequent calculations are performed to study the energy funneling from the sidechains to the backbone.145