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Here, we report two-dimensional (2D) Ni-Co hydroxide monolayers (NiCo-HMs) as a highly active cocatalyst for enhancing the photocatalytic H2 evolution of 2D g-C3N4 nanosheets. The NiCo-HMs can expand the interface… Click to show full abstract
Here, we report two-dimensional (2D) Ni-Co hydroxide monolayers (NiCo-HMs) as a highly active cocatalyst for enhancing the photocatalytic H2 evolution of 2D g-C3N4 nanosheets. The NiCo-HMs can expand the interface of electron migration, promote the separation of photogenerated carriers, provide synergistic Co-Ni active sites, and optimize atomic hydrogen adsorption to improve the kinetics of the catalytic reaction. The resulting 2D/2D NiCo-HMs/g-C3N4 heterojunction displays a high photocatalytic H2 evolution of 3.58 mmol g-1 h-1.
Journal Title: Chemical communications
Year Published: 2022
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