Copper doped titanium dioxide as a low-cost visible light photocatalyst for water splitting

[Display omitted] •Cu doped TiO2 was synthesized to enhanced the photocatalytic water splitting.•Cu doped TiO2 exhibited excellent visible-light photocatalytic H2 generation (45.6 mmol/h)•Cu-TiO2 can reused five times without the loss of H2 production capacity.•Cu-TiO2-based photocatalyst has potent...

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