Abstract

Porous BiOCl microflowers with oxygen vacancies have been large-scaled synthesized by a facile one-step solvothermal method. The products exhibit excellent CO2 photoreduction activity under visible light irradiation, which can be ascribed to the extending visible light absorption, enhancing photo-generated electron-hole pairs separation, and increasing specific surface area due to the introduction of oxygen vacancies and the formation of porous microstructures. This work provides a new route for synthesizing efficient porous photocatalysts for the photoreduction of CO2.

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