期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 9, 期 14, 页码 5128-5137出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.1c00138
关键词
carbon nitride; metal-free catalyst; selective ethanol oxidation; acetaldehyde
资金
- National Academy of Sciences of Ukraine [0120U100182]
Graphitic carbon nitride (g-C3N4) is prepared via a simple method and shows promising catalytic performance for the selective oxidation of ethanol to yield acetaldehyde. High content of C-N=C species enhances selectivity towards acetaldehyde, while increased tertiary nitrogen content leads to intensified side product formation. The material demonstrates high productivity and excellent stability without deactivation.
Graphitic carbon nitride (g-C3N4) is obtained via a simple procedure consisting of melamine heating in air without any templates and additional treatments. The prepared g-C3N4, being a metal-free material, demonstrates a promising catalytic performance for the selective oxidation of ethanol yielding acetaldehyde (conversion of ethanol up to 100%, yield of acetaldehyde up to 69%). In the investigated reaction conditions, a large content of C-N=C species results in an enhanced selectivity toward acetaldehyde, while an increased content of tertiary nitrogen leads to the intensification of side product formation. Graphitic carbon nitride demonstrates high productivity for acetaldehyde and excellent stability without any deactivation.
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