Journal Article circularly polarized luminescence Review energy transfer self-assembly Research Support, Non-U.S. Gov't chirality transfer organogels perovskite nanocrystals active optical waveguide active sites aggregation-induced emissions chiral liquid crystals chirality chirality transfers chiroptical switches clusters dynamic evolution in situ and operando characterization techniques liquid crystalline elastomer luminescence dissymmetry factor metal-organic frameworks nanoparticles photon upconversion self‐adaptive single atoms supramolecular chemistry triplet energy migration triplet-triplet annihilation ultra‐low optical loss