Charge carrier

Irradiation

Physics

Nanotechnology

Organic chemistry

Crystallization

Photocatalysis

Dehydrogenation

Engineering

Catalysis

Composite material

Nuclear physics

Chemistry

Materials science

Condensation

Polymerization

Stacking

Chemical engineering

Optoelectronics

Polymer

Photochemistry

Thermal treatment

Thermodynamics

ACS Energy Letters

High-crystalline g-C3N4 nanosheets (HC−CN) with reduced structural defects have been constructed through Ni-foam-induced thermal condensation because Ni-foam not only serves as a template for deposition of the 2D g-C3N4 nanosheets with high surface area to prevent stacking of g-C3N4 nanosheets but also acts as a catalyst to promote the polymerization and crystallization of g-C3N4 via effective dehydrogenation of the −NH2 group. The obtained HC–CN exhibits superior photocatalytic performance for H2 evolution under visible light irradiation (λ > 400 nm), which significantly benefits from the prolonged lifetime of photogenerated charge carriers and the increase of the transfer path within 2D structures of high-crystalline g-C3N4 nanosheets.

Template-Induced High-Crystalline g-C3N4 Nanosheets for Enhanced Photocatalytic H2 Evolution