Abstract
AbstractBased on the predesigned self‐selective complexation, metallo‐supramolecular P3HT‐b‐PEO diblock copolymers with varying block ratios were synthesized, and their oriented polymer films generated during solvent evaporation in a 9 T magnetic field were investigated. An anisotropic, ordered layer structure was achieved using [P3HT20‐Zn‐PEO107] and carefully characterized by polarized optical microscopy (POM), AFM, polarized UV/Vis spectroscopy, and GI‐SAXS/WAXS. The PEO‐removed [P3HT20‐Zn‐PEO107] film was obtained after decomplexation with TEA‐EDTA under mild conditions, and the selective removal of PEO domains was evidenced by UV/Vis and ATR‐FTIR spectroscopy. Anisotropic photoconductivity of the magnetically aligned film was evaluated by flash‐photolysis time‐resolved microwave conductivity (FP‐TRMC) measurements. The results indicated that the presence of insulating crystalline PEO segments diminished the photoconductivity along the P3HT backbone direction.
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