(Linköping University) Efficient near-infrared (NIR) light-emitting diodes of perovskite have been produced in a laboratory at Linköping University. The external quantum efficiency is 21.6%, which is a record. The results have been published in Nature Photonics.

Original source: https://www.eurekalert.org/pub_releases/2019-03/lu-ref032819.php