Helical Nanocavity-Driven Upconversion Circularly Polarized Luminescence with Efficient Triplet Dynamics in Poly(methyl methacrylate) Stereocomplexes
Triplet–triplet annihilation photon upconversion circularly polarized luminescence (TTA-UC-CPL) in solid-state materials remains challenging because the molecular ordering required for chirality often compromises triplet energy transfer and oxygen tolerance. Herein, we report a poly(methyl methacrylate) stereocomplex...