From: Regulating the surface of anion-doped TiO2 nanorods by hydrogen annealing for superior photoelectrochemical water oxidation
Sample
Angle (degree)
γL (mN/m)
γS (mN/m)
γSL (mN/m)
Air
DI water
61.8
72.8
22.97
− 14.31
H2
38.57
25.83
− 21.30
NaOH
30.23
59.36
16.95
− 5.44
18.10
22.79
− 20.66