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Ru and RuOx decorated carbon nitride for efficient ammonia photosynthesis.

Authors
  • Wang, Hui1
  • Li, Xiyi1
  • Ruan, Qiushi1
  • Tang, Junwang1
  • 1 Solar Energy & Advanced Materials Research Group, Department of Chemical Engineering, UCL, Torrington Place, London, WC1E 7JE, UK. [email protected]
Type
Published Article
Journal
Nanoscale
Publisher
The Royal Society of Chemistry
Publication Date
Jun 04, 2020
Identifiers
DOI: 10.1039/d0nr02527e
PMID: 32494798
Source
Medline
Language
English
License
Unknown

Abstract

Photocatalytic ammonia synthesis is a promising strategy for sustainable development compared to the energy-intensive industrial Haber-Bosch approach. Herein, a ternary heterostructure that consists of ruthenium species and carbon nitride (C3N4) was rationally explored for ammonia photosynthesis. Compared to the small ammonia yield from the g-C3N4 and Ru/g-C3N4 system, the Ru/RuO2/g-C3N4 system represents 6 times higher activity with excellent stability under full-spectrum irradiation. Such an enhancement is not only due to efficient transfer of electrons and holes to Ru and RuO2, respectively, facilitating both the reduction and oxidation reaction, but also taking advantage of Ru for N[triple bond, length as m-dash]N activation.

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