Fig. 3. (a) Chemical structure of Azo-UPy modified polymer Azo-UPy-P, and the schematic representation of its photocontrolled macromolecular self-assembly behavior. The 2D DOSY spectra (600 MHz, 40 mg mL−1, CDCl3, 298 K) of polymer Azo-UPy-P under conditions of (b) before and (c) after irradiation with UV light (365 nm).
