Efficient blue electroluminescence from reduced-dimensional perovskites
Perovskite light-emitting diodes (LEDs) show promises for next-generation displays owing to
their excellent luminescent properties and low cost. Despite substantial progress with green-
and red-emitting devices, the development of efficient blue perovskite LEDs has lagged
behind. Here we demonstrate efficient blue perovskite LEDs based on a mixed two-
dimensional–three-dimensional perovskite and a multifunctional ionic additive that enables
control over the reduced-dimensional phases, non-radiative recombination channels and …
their excellent luminescent properties and low cost. Despite substantial progress with green-
and red-emitting devices, the development of efficient blue perovskite LEDs has lagged
behind. Here we demonstrate efficient blue perovskite LEDs based on a mixed two-
dimensional–three-dimensional perovskite and a multifunctional ionic additive that enables
control over the reduced-dimensional phases, non-radiative recombination channels and …
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