Passivation with a bifunctional fluorinated ligand stabilizes mixed-halide perovskite nanocrystals, enabling high-color-purity deep-blue emission (460–470 nm) in LEDs with improved efficiency and ...

In 1877, the newly-incorporated Borough of Lansford decided it needed a jail, commonly called a lock-up, and a place for the town's council to meet. Community leaders picked a spot at the corner of ...