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Emission spectra of the polymer in acetonitrile (red), chloroform (blue), dichloromethane (green), dimethylformamide (black), dimethyl sulfoxide (orange) and tetrahydrofuran (purple) following excitation at 530 nm (A). 3-D Emission map of polymer in dichloromethane, recorded at room temperature. Fixed wavelength axis indicates the various excitation wavelengths used (B). All spectra recorded in at room temperature.
