Modifying lewis base on TiO2 nanosheets for enhancing CO2 adsorption and the separation of photogenerated charge carriers

[Display omitted] •TiO2/[WO4]2− composites were prepared via in-situ ion exchange strategy for the first time.•[WO4]2− as a lewis base was used to improve the CO2 adsorption.•[WO4]2− as a lewis base was used to promote the carriers’ separation.•TiO2/[WO4]2− significantly improved the CO yield compar...

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