Simultaneous light emissions from two different types of fluorophores in diblock copolymer micellar films

We report a simple strategy to realize simultaneous light emissions from a single layer of poly(styrene-block-2-vinyl pyridine) (PS-b-P2VP) copolymer micelles incorporated with a fluorescent dye in the P2VP core and a conjugated polymer in the PS corona. The fluorescence resonance energy transfer between the dye and the conjugated polymer is effectively inhibited due to the isolation of micelles. This study may offer an effective way to facilitate the ongoing exploration of white light emission in optics and optoelectronics.