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Abstract Recent developments have introduced bimetallic nanoparticles as effective cocatalysts for photocatalytic systems. This review explores the rapidly expanding research on bimetallic cocatalysts for photocatalytic production of hydrogen, emphasizing the creation of carrier‐selective contacts, localized surface plasmon resonance effects, methodologies for their preparation, promising metal combinations as cocatalyst materials and operando studies of bimetallic cocatalysts in order to study how the metallic components of the cocatalyst reorganize in real‐time under light exposure during the photocatalytic reactions and, hence, to establish structure‐property relationships that could explain the observed photocatalytic performance. The goal of this review is to furnish readers with a comprehensive overview of photocatalytic hydrogen production boosted by bimetallic nanoparticles and to inspire further innovative studies on bimetallic cocatalytic materials, which can potentially revolutionize applications in energy and materials science.
Chen et al. (Fri,) studied this question.