Table 1.

Multiexponential analysis of NATA-doped PVA spin coated on metallized (Al) and unmetallized (Q) quartz slide^*

Conditions	⟨τ⟩† (ns)	τ‡ (ns)	α1	τ1 (ns)	α2	τ2 (ns)	α3	τ3 (ns)	${\chi }_R^2$
Q, no Al	2.55	4.02	0.335	0.50	0.398	2.30	0.267	5.49	0.8
Al, FS	1.82	2.68	0.276	0.32	0.366	1.35	0.358	3.39	0.9
Al, SPCE	1.36	2.29	0.362	0.28	0.486	1.44	0.152	3.69	0.9

^*I(t) = ∑_i α_i exp(−t/τ_i).

^†⟨τ⟩ = ∑_i α_iτ_i.

^‡$\overline{\tau }={\sum }_i{f}_i{\tau }_i$, where f_i = α_iτ_i/ ∑_j α_jτ_j.