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Updated: Feb 6, 2026

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes
Published on: November 16, 2018
Sunlike White-Light-Emitting Diodes Based on Zero-Dimensional Organic Metal Halide Hybrids
Michael Worku, Yu Tian, Chenkun Zhou1
1Department of Chemical and Biomedical Engineering , FAMU-FSU College of Engineering , Tallahassee , Florida 32310 , United States.
Abstract:
Here we report ultraviolet (UV)-pumped white-light-emitting diodes (WLEDs) with sunlike full spectrum emissions, by using a commercially available blue phosphor (BaMgAl10O17:Eu2+) and a series of broadband zero-dimensional (0D) organic metal halide hybrids as down conversion phosphors. By controlling the blend ratio of phosphors, we have achieved high-quality WLEDs with excellent general color rendering index (CRI Ra) of up to 99 and deep-red rendering index (R9) of up to 99. These WLEDs exhibiting white emissions with correlated color temperatures (CCTs) ranging from 3000 to 6000 K perfectly mimic sunlight at different times of day.
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