Isolation of single Pt atoms in a silver cluster: forming highly efficient silver-based cocatalysts for photocatalytic hydrogen evolution.

The atomically controlled transition of nanohybrids and their effects on charge-carrier dynamics are highly desirable for fundamental studies in photocatalysis. Herein, for the first time, a method combining atomic monodispersity and single-atom alloy was used to prepare a new form of highly efficient silver-based cocatalysts (Ag & PtAg) on graphitic carbon nitride, representing a novel photocatalytic system for hydrogen evolution.

Controllable Synthesis of Hexagonal WO Nanoplates for Efficient Visible-Light-Driven Photocatalytic Oxygen Production.

Facilitating charge-carrier separation and transfer is fundamentally important to improve the photocatalytic performance of semiconductor materials. Herein, two-dimensional hexagonal WO nanoplates were synthesized by a two-step route: rapid evaporation and solid-phase sintering. The as-prepared WO exhibits an enhanced activity of photocatalytic water oxidation compared to bulk monoclinic WO .

One-step fabrication of porous oxygen-doped g-CN with feeble nitrogen vacancies for enhanced photocatalytic performance.

Porous oxygen-doped graphitic carbon nitride (g-CN) with feeble nitrogen vacancies was fabricated through thermal polycondensation of melamine with an appropriate amount of polyvinylpyrrolidone. After optimization, the bandgap of g-CN can be narrowed by 0.2 eV and the specific surface area expanded, which contribute to increasing the utilization of solar energy.