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Resonant multiple-phonon absorption causes efficient anti-Stokes photoluminescence in CsPbBr nanocrystals
Zhuoming Zhang, Sushrut Ghonge, Yang Ding +5
Lead-halide perovskite nanocrystals such as CsPbBr, exhibit efficient photoluminescence (PL) up-conversion, also referred to as anti-Stokes photoluminescence (ASPL). This is a…
A thermodynamic band gap model for photoinduced phase segregation in mixed-halide perovskites
Anthony Ruth, Halyna Okrepka, Prashant Kamat +1
Provided is a comprehensive description of a band gap thermodynamic model, which predicts and explains key features of photosegregation in lead-based, mixed-halide perovskites. The…
Photoluminescent cooling with incoherent light
Sushrut Ghonge, Masaru Kuno, Boldizsár Jankó
Optical refrigeration using anti-Stokes photoluminescence is now well established, especially for rare-earth-doped solids where cooling to cryogenic temperatures has recently been…