2.7 Experimental Section
39
Table 2.2 Photophysical properties of 3/solvent
Φ em , % (λ ex , nm)
τ av , ∞s a,b
(λ em , nm)
τ 1 , ∞s a (A, −)
τ 2 , ∞s a (A, −)
3/CHCl 3
2.90 (393)
6.90 (494)
1.29 (0.85)
10.71 (0.15)
3/Py
20.3 (439)
5.37 (530)
1.02 (0.85)
8.21 (0.15)
3/CH 2 Cl 2
17.9 (437)
5.93 (537)
1.12 (0.82)
8.69 (0.18)
3/CH 2 Br 2
7.10 (421)
5.38 (544)
1.12 (0.88)
9.08 (0.12)
3/DMA
25.6 (412)
5.86 (546)
1.72 (0.79)
8.91 (0.21)
3/AcH
13.1 (413)
5.49 (552)
1.29 (0.86)
9.21 (0.14)
3/CH 3 CN
18.0 (394)
5.23 (556)
0.94 (0.80)
7.39 (0.20)
3/DMF
22.0 (371)
4.75 (560)
1.28 (0.84)
7.78 (0.16)
3/SPO
16.1 (394)
4.89 (566)
1.13 (0.87)
8.28 (0.13)
3/racPO
18.5 (466)
5.31 (574)
1.12 (0.88)
9.14 (0.12)
3/acetone
10.1 (447)
4.73 (580)
1.10 (0.87)
7.97 (0.13)
3 ground
12.6 (436)
4.88 (575)
1.46 (0.87)
8.75 (0.13)
All emission decay was fitted by tail fitting
a λ ex = 370 nm
b τ av = (τ 1 A 2
1 + τ 2 A 2
2 )/(τ 1 A 1 + τ 2 A 2 )
2.7.5 Solvents Response of 3 ground
See Figs. 2.17, 2.18 and 2.19.
2.7.6 Changes of 3/solvent in Response to Mechanical
Stimulation
See Figs. 2.20, 2.21, 2.22, 2.23, 2.24 and Table 2.3.
2.7.7 Changes of 3/solvent upon Heating Under Reduced
Pressure
See Fig. 2.25.