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Comparison transmittance spectra obtained from Fourier transform infrared spectroscopy-attenuated total reflectance. (a) Characterize poly(3-hexylthiophene)-alkyne (P3HT-A), polyethylene glycol (PEG), and their block copolymer (BCP). (b) Depicted spectra of BCP, supramolecular block copolymer (SBCP), and carboxyl-functionalized perylene diimide butyric acid (PDIBA).
