Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 5, Issue 22, Pages 11597-11602Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am402669y
Keywords
carbon nanosheets; folic acid; oxygen reduction reaction; four-electron pathway; rotating ring-disk electrode
Funding
- Natural Science Foundation of Jilin Province [201215092]
- Chinese Academy of Sciences
- Youth Foundation of China [21105097]
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A novel porous carbon nanosheet was successfully fabricated by a one-step annealing process with folic acid as the carbon source in the absence of any other reagents or templates. The product exhibited a large specific surface area and good porosity. Meanwhile, the carbon nanosheets as a metal-free catalyst showed a high electrocatalytic activity toward the oxygen reduction reaction (ORR) in alkaline solution, including superior onset and reduction potentials as well as a nearly four-electron pathway.
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