Researchers have set a new efficiency record for LEDs based on perovskite semiconductors, rivalling that of the best organic LEDs (OLEDs).
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2018/11/181105122537.htm
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2018/11/181105122537.htm
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