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Selective nitrogen doping of graphene oxide by laser irradiation for enhanced hydrogen evolution activity
- Zheng, Wenjing;
- Zhang, Yan;
- Niu, Kaiyang;
- Liu, Tao;
- Bustillo, Karen;
- Ercius, Peter;
- Nordlund, Dennis;
- Wu, Junqiao;
- Zheng, Haimei;
- Du, Xiwen
Published Web Location
https://doi.org/10.1039/c8cc07725hAbstract
Selective nitrogen-doping of graphene oxide with a high pyridinic N ratio (51%; L-GO) was achieved by laser irradiation of graphene oxide with ammonia. The resulting L-GO exhibited enhanced electrocatalytic properties; specifically, the overpotential of the hydrogen evolution reaction (HER) was improved by over 400 mV at 10 mA cm-2 compared to the pristine graphene oxide.
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