Unraveling exciton–phonon coupling in individual FAPbI3 nanocrystals emitting near-infrared single photons

Abstract

Here, the authors perform spectroscopic investigations of individual Formamidinium lead iodide nanocrystals, demonstrate single-photon emission and unravel the mechanisms of carrier–phonon interactions. These results will guide the development of next-generation devices for photovoltaics and quantum technologies.