Quantum-Cutting Ytterbium-Doped CsPb(Cl1-xBrx)3 Perovskite Thin Films with Photoluminescence Quantum Yields over 190%
Picosecond Quantum Cutting Generates Photoluminescence Quantum Yields Over 100% in Ytterbium-Doped CsPbCl3 Nanocrystals
Interplay of Mobile Ions and Injected Carriers Creates Recombination Centers in Metal Halide Perovskites Under Bias