Fig. 2: Amphiphilic self-assembly and photophysical studies of two compounds (25 °C, 20 μM).
a, d UV–Vis absorption spectra and b, e fluorescence spectra of the compounds in various solvents (black line: dichloromethane, blue line: dimethyl sulfoxide, red line: water), λex = 380 nm. c, f Corresponding time-resolved fluorescence decay (fitting) curves of the compound (black line: dimethyl sulfoxide, red line: water), λex = 380 nm. g DLS data of PY16 in an aqueous solution (25 °C, 0.1 mM). h TEM image of PY16, which self-assembles to form vesicles in an aqueous solution (25 °C, 0.1 mM). i Synchrotron radiation SAXS pattern of the vesicles.
