Table 1 The parameter of the decay kinetics of NPB/Alq3/PBD and NPB/Alq3/PBD/Ag

τ ₁ (nm)

τ ₂ (nm)

k

Ag NP film(0 nm)

3.28

11.68

1.181

Ag NP film(4 nm)

3.68

13.10

1.156