Journal Article Polymers conjugated polymer nanoparticles Antibodies, Monoclonal Contrast Media Förster resonance energy transfer Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. acceptor alloys biosensors cell detection cell imaging chiral co‐assembly circularly polarized electroluminescence energy-level modulation gene expression living cells multiple resonance nonfullerene acceptors organic light‐emitting diodes photothermal conversion power conversion efficiency ternary organic solar cells thermogenetics