586462.fig.002a
(a)
586462.fig.002b
(b)
Figure 2: TCL of the BSB/LDH UTF at 20 and 100°C. (a) Fluorescence spectra (inset: the reversible fluorescence response over five consecutive cycles, and photographs of the UTF before and after heating). (b) Fluorescence decay curve (inset: fluorescence lifetimes over five consecutive cycles) [24].