A review of nanostructured non-titania photocatalysts and hole scavenging agents for CO2 photoreduction processes

Abstract

Non-titania photocatalysts, including metal sulphides, oxides, oxynitrides and nitrides, have been deployed as the photocatalyst for CO₂ photoreduction since last century. The nanostructured non-titania photocatalysts and the introduction of hole scavenging agents into the CO₂ photoreduction system have revealed some key characteristics to stimulate the conversion of CO₂ to hydrocarbons.