. 2019 Dec 10;5(1):232–237. doi: 10.1021/acsenergylett.9b02437

Table 1. Solar-to-Fuel Efficiencies of State-of-the-Art Tandem Devices that Employ Immobilized Earth-Abundant Molecular H₂ Catalysts, a Bacterial Catalyst, and an Analogous Pt Device.

System	Tandem Cell^a	Solar-to-Fuel/%	Product	Ref
platinum	BiVO₄∥PVK\|Pt	0.35	H₂	(15)
synthetic	Ru\|OD\|TiO₂∥NiO\|OD\|Co	0.05	H₂	(42)
	TaON\|CoO_x∥CuGaO₂\|OD\|Co	0.0054	H₂	(47)
enzymatic	IO-TiO₂\|OD\|P_Os-PSII∥IO-ITO\|H₂ase	0.14 (0.3 V bias)	H₂	(31)
	BiVO₄∥p-Si\|IO-TiO₂\|H₂ase	0.006	H₂	(25)
	BiVO₄∥PVK\|IO-TiO₂\|H₂ase	1.1	H₂	this work
bacterial	TiO₂∥Si\|TiO₂\|S. Ovata	0.38	acetate	(48)

OD = organic dye. See Table S2 for details.

Table 1. Solar-to-Fuel Efficiencies of State-of-the-Art Tandem Devices that Employ Immobilized Earth-Abundant Molecular H2 Catalysts, a Bacterial Catalyst, and an Analogous Pt Device.