articleSmallFeb 3, 2017Closed access

Hierarchical Porous O‐Doped g‐C 3 N 4 with Enhanced Photocatalytic CO 2 Reduction Activity

JFJunwei FuBZBicheng ZhuCJChuanjia JiangBCBei ChengWYWei You

Wuhan University of Technology · King Abdulaziz University

PubMed
Indexed incrossrefpubmed

Abstract

Artificial photosynthesis of hydrocarbon fuels by utilizing solar energy and CO 2 is considered as a potential route for solving ever‐increasing energy crisis and greenhouse effect. Herein, hierarchical porous O‐doped graphitic carbon nitride (g‐C 3 N 4 ) nanotubes (OCN‐Tube) are prepared via successive thermal oxidation exfoliation and curling‐condensation of bulk g‐C 3 N 4 . The as‐prepared OCN‐Tube exhibits hierarchically porous structures, which consist of interconnected multiwalled nanotubes with uniform diameters of 20–30 nm. The hierarchical OCN‐Tube shows excellent photocatalytic CO 2 reduction performance under visible light, with methanol evolution rate of 0.88 µmol g −1 h −1 , which is five times…

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1,261
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Authors

6

Topics & keywords

Topics
Keywords
  • Materials science
  • Photocatalysis
  • Band gap
  • Nanotube
  • Chemical engineering
  • Doping
  • Mesoporous material
  • Graphitic carbon nitride
UN Sustainable Development Goals
  • Affordable and clean energy
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