Table 2. Fluorescence Lifetimes of the Synthesized Pyrene Derivatives and the Corresponding NJs.

system	lifetimes (ns)	average lifetime (ns)
HL1	2.1 ± 0.2 (3.3%), 11.70 ± 0.04 (96.7%)	11.4
L1-NJ	2.0 ± 0.1 (6.8%), 11.60 ± 0.06 (93.2%)	10.9
HL2	3.24 ± 0.08 (19.6%), 14.4 ± 0.1 (80.4%)	12.2
L2-NJ	0.34 ± 0.04 (49.0%), 3.5 ± 0.2 (22.9%), 12.1 ± 0.1 (28.1%)	4.40
HL3	3.4 ± 0.1 (12.0%), 14.60 ± 0.08 (88.0%)	13.3
L3-NJ	0.14 ± 0.04 (32.4%), 3.0 ± 0.1 (33.3%), 12.8 ± 0.1 (34.3%)	5.4