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- Title
Biopolymer-Activated Graphitic Carbon Nitride towards a Sustainable Photocathode Material.
- Authors
Yuanjian Zhang; Zoë Schnepp; Junyu Cao; Shuxin Ouyang; Ying Li; Jinhua Ye; Songqin Liu
- Abstract
Photoelectrochemical (PEC) conversion of solar light into chemical fuels is one of the most promising solutions to the challenge of sustainable energy. Graphitic carbon (IV) nitride polymer (g-CN) is an interesting sustainable photocathode material due to low-cost, visible-light sensitivity, and chemical stability up to 500°C in air. However, grain boundary effects and limited active sites greatly hamper g-CN activity. Here, we demonstrate biopolymer-activation of g-CN through simultaneous soft-templating of a sponge-like structure and incorporation of active carbon-dopant sites. This facile approach results in an almost 300% increase in the cathodic PEC activity of g-CN under simulated solar-irradiation.
- Subjects
BIOPOLYMERS; LIGHT elements; CRYSTAL grain boundaries; CRYSTAL growth; DISLOCATIONS in crystals
- Publication
Scientific Reports, 2013, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/srep02163