Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 20, Issue 35, Pages 7491-7496Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0jm00782j
Keywords
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Funding
- Laboratory Directed Research
- Pacific Northwest National Laboratory (PNNL)
- China Scholarship Council
- ARRA/AFOSR [FA9550-09-1-0523]
- ARO MURI [W911NF-04-1-0178]
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Nitrogen-doped graphene (N-graphene) is obtained by exposing graphene to nitrogen plasma. N-graphene exhibits much higher electrocatalytic activity toward oxygen reduction and H2O2 reduction than graphene, and much higher durability and selectivity than the widely-used expensive Pt for oxygen reduction. The excellent electrochemical performance of N-graphene is attributed to nitrogen functional groups and the specific properties of graphene. This indicates that N-graphene is promising for applications in electrochemical energy devices (fuel cells, metal-air batteries) and biosensors.
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