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Table 1 Parameters of the three-exponential fit of the decay curve of Tb3+ luminescence band at 543 nm for Ce0.85Tb0.15F3 NP in the presence of 0.05 mg/mL CTAB and Ce0.85Tb0.15F3 NP-CTAB-chlorin e6 nanosystem (2, 5, or 10 μM of chlorin e6; 0.05 mg/mL CTAB)

From: Energy Transfer in Ce0.85Tb0.15F3 Nanoparticles-CTAB Shell-Chlorin e6 System

Chlorin e6 concentration

τ 1, ms

A 1, a.u.

B 1

E Tb−Ce6 1 )

τ 2, ms

A 2, a.u.

B 2

E Tb−Ce6 2 )

τ 3, ms

A 3, a.u.

B 3

E Tb−Ce6 3 )

0 μM

0.69

34

0.02

2.35

81

0.17

6.13

147

0.81

2 μM

0.40

48

0.04

0.42

1.71

84

0.29

0.27

5.18

64

0.67

0.15

5 μM

0.31

47

0.06

0.54

1.32

63

0.36

0.44

4.51

29

0.58

0.27

10 μM

0.27

44

0.10

0.61

1.06

46

0.42

0.55

3.98

14

0.48

0.35

  1. τ 1, τ 2, and τ 3 are the decay times; A 1, A 2, and A 3 are the amplitudes; B 1, B 2, and B 3 are the relative intensities (calculated as B i  = A i  × τ i A i  × τ i , i = 1, 2, 3) of the three-exponential fit; E Tb−Ce6(τ i ) is the EEET efficiency calculated for the corresponding decay component according to the expression (3)

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