103817.fig.002a
(a)
103817.fig.002b
(b)
103817.fig.002c
(c)
103817.fig.002d
(d)
Figure 2: Transient absorption spectra at 500 ns obtained upon 266 nm laser pulsing in cyclohexane solutions of pyrene (a), BuEPy (b), TMSEPy (c), and TMSBPy (d) at 295 K.