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Table 1 Emission decay times for Y 2 O 3 :Yb 3+ , Er 3+ nanoparticles upon 978-nm excitation

From: Color-tunable up-conversion emission in Y2O3:Yb3+, Er3+ nanoparticles prepared by polymer complex solution method

 

Green emission lifetime (ms)

Red emission lifetime (ms)

Y1.97Yb0.02Er0.01O3

0.36

0.71

Y1.94Yb0.05Er0.01O3

0.38

0.60

Y1.89Yb0.10Er0.01O3

0.34

0.35

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