Nature CommunicationsEfficient up-conversion in CsPbBr3 nanocrystals via phonon-driven exciton-polaron formationAbdullah S. AbbasBeiye C. LiRichard D. SchallerVitali B. PrakapenkaStella CharitonDaqian BianGregory S. EngelA. Paul Alivisatos2025-07-01Full textDOI https://doi.org/10.1038/s41467-025-60992-y