Fig. 3. Temperature-dependent transient emission spectra ((a) enol-form emission at 434 nm; (b) keto-form emission at 530 nm) of a doped film (7 wt% 1 in TBCPF); and temperature-dependent transient emission spectra ((c) enol-form emission at 436 nm; (d) keto-form emission at 534 nm) of a doped film (2 wt% 2 in CBZ2-F1).
