Blue-LED-excited Ce3+-doped Alkaline-Earth Sulfide Luminescent Nanocrystals for Selective and Sensitive Fe3+ Ions Sensing
2020
Abstract Novel blue LED excitable Ce3+-doped alkaline-earth sulfide nanocrystals are exploited for selective and sensitive Fe3+ ions sensing in this work. The detection limit is calculated to be as low as 92.5 nM, which is better than most previous ultra-violet light excited fluorescence probes. The decreased radiative probability of the Ce3+: 5d by the NC surface environmental variation activates the sensing capability.
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