Table 8 Energy transfer efficiency in La2O3:Tm/Ho/Eu.

From: Energy transfer and multicolour photoluminescence in phosphors La2O3 doped by Tm3⁺, Ho3⁺, and Eu3⁺ for white LED and security applications

sr

Name

IEr

IEro

Efficiency (%)

1

La2O3: Tm3+(1.5 mol%)/Ho3+(1.0 mol%)/Eu3+(1.0 mol%)

237.6543

133.4

43.86804

2

La2O3: Tm3+(1.5 mol%)/Ho3+(1.0 mol%)/Eu3+(2.0 mol%)

671.6266

152.7964

77.2498

3

La2O3: Tm3+(1.5 mol%)/Ho3+(1.0 mol%)/Eu3+(3.0 mol%)

735.1859

206.1564

71.95861

4

La2O3: Tm3+(1.5 mol%)/Ho3+(1.0 mol%)/Eu3+(4.0 mol%)

1353.832

266.8

80.29298

5

La2O3: Tm3+(1.5 mol%)/Ho3+(1.0 mol%)/Eu3+(5.0 mol%)

842.2185

333.5

60.4022

Back to article page