186
6 Thermo-Responsive Phosphorescence Control Mediated …
Fig. 6.21 Variable temperature (VT) solid-state CP-MAS 13 C NMR spectra of the crystal 2. *
indicates peaks from the methyl group of tetra-methyl phenyl moiety
Fig. 6.22 UV/vis absorption (black solid line), excitation (green dotted line, λ em = 488 nm), and
emission spectra (green solid line, λ ex = 327 nm) of 1 in CHCl 3 (c = 4.6 × 10 −6 M) at room
temperature. The solution of 1 in CHCl 3 exhibited very weak emission under UV light
6 Thermo-Responsive Phosphorescence Control Mediated …
Fig. 6.21 Variable temperature (VT) solid-state CP-MAS 13 C NMR spectra of the crystal 2. *
indicates peaks from the methyl group of tetra-methyl phenyl moiety
Fig. 6.22 UV/vis absorption (black solid line), excitation (green dotted line, λ em = 488 nm), and
emission spectra (green solid line, λ ex = 327 nm) of 1 in CHCl 3 (c = 4.6 × 10 −6 M) at room
temperature. The solution of 1 in CHCl 3 exhibited very weak emission under UV light