Lead-halide perovskite nanocrystals (NCs) are promising for fabricating deep-blue (<460 nm) light-emitting diodes (LEDs), but their development is plagued by low electroluminescent performance and ...

Rihanna’s maternity era? Yup, it's still undefeated. The soon-to-be mom of three showed up to the Smurfs premiere in Brussels looking part Cinderella, part Smurfette, in a transparent baby blue gown.