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Table 2 Parameters of the TRPL spectra

From: Enhanced Power Conversion Efficiency of Perovskite Solar Cells with an Up-Conversion Material of Er3+-Yb3+-Li+ Tri-doped TiO2

Samples

τ1/ns

% of τ1

τ2/ns

% of τ2

30NR-D/perovskite

3.6

94

31.7

6.0

30NR-D with UC-TiO2/perovskite

2.8

98.2

31.0

1.8

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