Graphitic Carbon Nitride as a Sustainable Catalyst for Selective Ethanol Oxidation
2021
Shcherban, Nataliya D. | Diyuk, Olena A. | Zazhigalov, Valery A. | Murzin, Dmitry Yu
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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