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- Title
Porous Graphitic Carbon Nitride Nanosheets by Pre-polymerization for Enhanced Hydrogen Evolution from Water Splitting under Solar Light.
- Authors
Fan, H. Q.; Wang, C.; Ren, X. H.; Wang, W. J.
- Abstract
A facile and green method was developed to fabricate porous graphitic carbon nitride (g-C3N4) nanosheets by simple pre-polymerizing melamine. Porous structures were formed in polymerized g-C3N4 at 350°C for 2h, which greatly enhanced the specific surface area and pore volume, resulting in superior photocatalytic evolution. The hydrogen evolution rate was 11.2 higher than that of bulk g-C3N4 under visible light. The porous structure not only provided abundant active catalytic sites and cross-plane diffusion channels to facilitate the charge and mass transportation, but also promoted the charge separation in the photocatalytic reaction. This g-C3N4 is suitable for mass-production to generate hydrogen from water splitting.
- Subjects
CARBON &; graphite products; HYDROGEN evolution reactions; POROUS materials; WATER electrolysis; PHOTOCATALYSIS; COOLING systems
- Publication
KnE Materials Science, 2018, p66
- ISSN
2519-1438
- Publication type
Article
- DOI
10.18502/kms.v4i2.3039