Themed collection Photocatalytic hydrogen production – Topic Highlight

Measuring and interpreting the efficiency of a thermo–photocatalytic reaction is key in the quest to define synergy for chemical reactions taking place under dual thermo–photo excitation.

Nanostructural engineering of TiO₂ is an effective strategy to enhance its photoactivity. The different dimensional structured TiO₂ and the effect of dimensionality on its photocatalytic performance were summarized.

Oxygenate photo-reforming: A process of harnessing the redox ability of a photocatalyst to simultaneously drive the reduction of H⁺ into H₂ and oxidation of organics.

A novel iridium complex modified MOF was designed, which enhances the photocatalytic activity of MOFs by 2.5 times with only 0.2% of iridium complex, and exhibits good stability. It can be conductive to efficient and stable photocatalysis.

A noble bimetallic nanoparticle-modified UiO-66-NH₂ MOF (Ag/Pd@UiO-66-NH₂) composite photocatalyst for efficient hydrogen peroxide and hydrogen production.

This study investigates Pd–SrO@TiO₂/gCN photocatalysts for eco-friendly H₂ generation through water splitting.

Schematic illustration of photocatalytic hydrogen evolution of Mo-doped g-C₃N₄.

New water reduction catalysts containing secondary amines in the backbones show turnover numbers for photochemical hydrogen evolution up to 2237.

We report a facile method for the preparation of nanocomposites of molybdenum sulfo-selenide (MoS_xSe_1−x) with carbon nanotubes (CNTs) and reduced graphene oxide (RGO) via a solvothermal approach.

Hot injection induced heterostructured nanocomposite substantially boosts photocatalytic hydrogen evolution performance.

A P–N heterostructure composed of CuGaO₂ and GaN shows outstanding photocatalytic water splitting.

Band structure engineering of polymide for enhanced photocatalytic water splitting has been demonstrated by tuning the donor/acceptor ratios in the polymer skeleton.

New trinuclear water reduction catalysts show turnover numbers for photochemical water splitting of up to 8899, a turnover frequency of 2737 h⁻¹ and an incident photon conversion efficiency of 2.1%, thus outperforming mononuclear analogues.

Efficacious H₂ and O₂ evolution over mediator free direct Z-scheme oriented 0D-2D CIS-BOI heterostructure photocatalyst.

Novel, brown H₄Nb₆O₁₇, was synthesised and a composite heterojunction with g-C₃N₄ was formed, showing enhanced photocatalytic activity for H₂O₂ production.

The band edges of GeI₂/C₂N vdW are favourable to generate H₂ at pH 0 to 9 with transition from a type-II indirect to type-I direct bandgap semiconductor under tensile biaxial strain.