Table 1

Ligands used for modification of TiO2 nanoparticles, Benesi–Hildebrand binding constants, and bandgaps upon binding
Ligand Structural formula Kb(M−1)a Bandgap (eV)
Catechol 2490 ± 120 1.96
Pyrogallol 3130 ± 120 1.89
Gallic acid 1700 ± 100 1.92

a The absorption wavelengths at which the stability constants were determined are 400 nm (catechol), 475 nm (gallic acid), and 425 nm (pyrogallol)

Janković et al.

Janković et al. Nanoscale Research Letters 2009 5:81-88   doi:10.1007/s11671-009-9447-y

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