초록 |
We provide a new methodology for preparing such nanoparticles based on the formation of phase-separated films of conjugated polymers and phospholipids, followed by shattering the films in aqueous media. A benzodithiadiazole–dithiophene copolymer can form macro/nanomorphologies in films with phospholipids because the lipid tail lengths are comparable to the side chain lengths of the polymer and because of the phase separation between polar lipid heads and non-polar lipid tails/polymers. The films can be disassembled to nanoparticles in aqueous media owing to penetration of water molecules into the polar region in the films. On the basis of morphological characterization using spectroscopic data and time-dependent density functional theory calculations, our results suggest the versatility of the nanoparticles for cellular imaging, photothermal therapy, and bioconjugation. |