Comparison of different photocatalysts reported for H₂ production.

S. no.	Photocatalyst	Sacrificial agent	Light source	H2 production rate	Ref.
1	TiO2/CuO	Methanol	Xe lamp	8.23 mmol h−1 g−1	37
2	AC–TiO2	Glycerol	Solar light	20 383 μmol g−1 h−1	38
3	TiO2/ACS	Glycerine	Solar light	203 μmol g−1 h−1	39
4	PtCu–TiO2	Methanol	LED irradiation	2383.9 μmol h−1	40
5	Pd–TiO2	Ethanol	Near-UV light	113 cm3 STP	16
6	Pd–TiO2	Ethanol	Visible light	29 cm3 STP	16
7	Ni/GO–TiO2	Methanol	UV light	2171 μmol h−1 g−1	41
8	CuO/TiO2NT	Methanol	Mercury lamp	64.2–71.6 mmol h−1 g−1	42
9	SnS2/TiO2	Methanol	Solar irradiation	195.55 μmol g−1	21
10	Pt–TiO2	Methanol	UV mercury lamp	38.0 mmol g−1 h−1	43
11	TiO2NTs–AC	Methanol	Solar light	18 000 μmol−1 g−1 h−1	Present work