Binding of Coumarin 334 with β-Cyclodextrin and with C-Hexylpyrogallol[4]arene: Opposite Fluorescence Behavior

Figure 2

(a) Absorbance spectra of C334 with varying concentrations of β-CD. (b) 1/(𝐴−𝐴₀) versus 1/[β-CD] plot of C334-β-CD complex. (c) Fluorescence spectra of C334 with varying concentrations of β-CD. (d) Stern-Volmer plot of C334-β-CD complex.

(a)

(b)

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(d)