A NIR-II-absorbing quinoidal benzodifurandione-conjugated polymer for efficient photothermal therapy

A quinoidal conjugated polymer was successfully synthesized. Its nanoparticles exhibit a ε of 52.7 L g −1 cm −1 at 1064 nm and a remarkable photothermal conversion efficiency of 82.2%, representing a promising platform for NIR-II photothermal therapy.