15 July 2026
Blue light-emitting diodes (LEDs) are needed for high-definition displays with wide colour range. Efficient, stable and colour-saturated blue LEDs containing emitters made of perovskites have now been fabricated by adding isomeric molecules that generate a network of hydrogen bonds, stabilizing the octahedral structure of the perovskite crystal.
This is a summary of: Wang, Y. et al. Isomeric multi-hydrogen-bonding enables blue perovskite LEDs. Nature 655, 617–623 (2026).
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