5 papers
Radiation-Triggered Superfluorescent Scintillation in Quantum-Ordered Perovskite Nanocrystal Superlattices
Matteo L. Zaffalon, Andrea Fratelli, Taras Sekh +8
Superfluorescence, a cooperative emission phenomenon arising from the coherent coupling of excited dipoles, has historically been observed under optical excitation in carefully eng…
Harnessing self-sensitized scintillation by supramolecular engineering of CsPbBr3 nanocrystals in dense mesoporous template nanospheres
Xiaohe Zhou, Matteo L. Zaffalon, Emanuele Mazzola +12
Perovskite-based nanoscintillators, such as CsPbBr3 nanocrystals (NCs), are emerging as promising candidates for ionizing radiation detection, thanks to their high emission efficie…
Ultrafast Superradiant Scintillation from Weakly Confined CsPbBr3 Nanocrystals
Matteo L. Zaffalon, Andrea Fratelli, Zhanzhao Li +7
Efficiency and emission rate are two traditionally conflicting parameters in radiation detection, and achieving their simultaneous maximization could significantly advance ultrafas…
Size-dependent multiexciton dynamics governs scintillation from perovskite quantum dots
Andrea Fratelli, Matteo L. Zaffalon, Emanuele Mazzola +10
The recent emergence of quantum confined nanomaterials in the field of radiation detection, in particular lead halide perovskite nanocrystals, offers potentially revolutionary scal…
Ultrasmall CsPbBr3 Blue Emissive Perovskite Quantum Dots using K-alloyed Cs4PbBr6 Nanocrystals as Precursors
Clara Otero Martinez, Matteo L. Zaffalon, Yurii Ivanov +11
We report a colloidal synthesis of blue emissive, stable cube-shaped CsPbBr3 quantum dots (QDs) in the strong quantum confinement regime via a dissolution-recrystallization startin…