Journal
CATALYSIS COMMUNICATIONS
Volume 153, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2021.106294
Keywords
Ru atoms; Cyano groups; Nitrogen photofixation; Hole-scavengers
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Funding
- National Science Foundation of China [21972103]
- Natural Science Basic Research Plan in Shaanxi Province of China [2019JQ-276]
- Research Starting Foundation of Shaanxi University of Science and Technology [2018XSGG-04, 2019BJ-02]
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In this study, ruthenium (Ru) single atoms were successfully decorated on the surface of graphitic carbon nitride (g-C3N4), leading to improved efficiency in photocatalytic nitrogen fixation.
Ruthenium (Ru) single atoms were decorated on the surface of the graphitic carbon nitride (g-C3N4) successfully in this work. By varieties of characterization, the existence of Ru single atoms and the defects (cyano groups) caused in the process of synthesis have been confirmed. The catalyst decorated by Ru atoms (Ru-CCN-0.05) had better absorption capacity and a wider absorption range of light than the catalyst with no Ru atoms loading on (Ru-CCN-0). Without the help of hole-scavengers, the rate of photocatalytic nitrogen fixation of Ru-CCN-0.05 in ultra-pure water was 2.26 mg L-1 g(cat) (-1) h(-1), 1.5 times that of bare g-C3N4.
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