Table 1 Photoluminescence lifetimes of green emission (540 nm) and red emission (656 nm) for NaYF4 samples, with different Gd3+ molar concentration.

From: Tuning the upconversion photoluminescence lifetimes of NaYF4:Yb3+, Er3+ through lanthanide Gd3+ doping

Samples

0% Gd3+

30% Gd3+

50% Gd3+

70% Gd3+

Lifetime 540 nm

194.44 µs ± 0.38 µs

209.62 µs ± 0.62 µs

211.61 µs ± 0.82 µs

232.43 µs ± 0.43 µs

Lifetime 656 nm

442.69 µs ± 3.14 µs

495.13 µs ± 2.62 µs

499.84 µs ± 3.04 µs

503.69 µs ± 2.43 µs

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