Table 3 PL decay and kinetic constants of the Cu-doped specimens.

From: Oxidation suppression of Cu in alkaline aluminophosphate glass and the effects for radiation-induced luminescence characteristics

Glass specimens

PL decay constant τ (μs)

Kinetic constant kr (s−1)

1st

2nd

1st

2nd

Cu(0.01%)-Ar

20.3

42.3

9.359

4.491

Cu(0.05%)-Ar

21.0

45.1

13.476

6.274

Cu(0.10%)-Ar

22.3

47.1

13.946

6.603

Cu(0.01%)-air

21.7

43.4

2.534

1.267

Cu(0.05%)-air

20.4

41.2

2.352

1.165

Cu(0.10%)-air

17.6

36.7

1.306

0.626

  1. The excitation wavelength was 260 nm which was cut off from light source by using optical filter.
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