Oxygen Vacancy-Mediated Selective C–N Coupling toward Electrocatalytic Urea Synthesis
Hunan University · Shenzhen University · +5 more institutions
Abstract
The electrocatalytic C–N coupling for one-step urea synthesis under ambient conditions serves as the promising alternative to the traditional urea synthetic protocol. However, the hydrogenation of intermediate species hinders the efficient urea synthesis. Herein, the oxygen vacancy-enriched CeO2 was demonstrated as the efficient electrocatalyst with the stabilization of the crucial intermediate of *NO via inserting into vacant sites, which is conducive to the subsequent C–N coupling process rather than protonation, whereas the poor selectivity of C–N coupling with protonation was observed on the vacancy-deficient catalyst. The oxygen vacancy-mediated selective C–N coupling was distinguished and validated by…
Citation impact
- FWCI
- 23.73
- Percentile
- 100%
- References
- 47
Authors
15Topics & keywords
- Chemistry
- Electrocatalyst
- Catalysis
- Protonation
- Urea
- Oxygen
- Vacancy defect
- Selectivity