Table 1. Comparison of Photocatalytic Performance for the As-prepared TiO₂ Samples under UV and Visible Light^a,b,c,d.

UV light					visible light
samples	k (10–2 × min–1)	Ik	RH (μmol/(g h))	IH	k′ (10–2 × min–1)	I′k	R′H (μmol/(g h))	I′H
TiO2-001	0.545	3.18	1100.46	1.34	1.02	4.03	1.87	8.90
R-TiO2-001	1.734		1475.38		4.11		16.65
TiO2-101	2.101	1.42	446.89	2.65	1.88	2.85	0.95	13.47
R-TiO2-101	2.985		1185.98		5.35		12.80
TiO2-100	0.526	2.17	165.22	3.39	0.84	1.58	0.54	8.72
R-TiO2-100	1.142		560.83		1.33		4.71

^ak and k′ is the apparent rate constant of MO degradation under UV and visible light irradiation.

^bI_k and I′_k is the k and k′ value ratio of TiO₂ after and before Ti³⁺ doping under UV and visible light irradiation, respectively.

^cR_H and R′_H is the hydrogen evolution rates for the as-prepared TiO₂ samples under UV and visible light irradiation, respectively.

^dI_H and I′_H is the hydrogen evolution rate ratio of TiO₂ after and before Ti³⁺ doping under UV and visible light irradiation, respectively.