Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 13, Issue 27, Pages 12554-12558Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cp21148j
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Funding
- NSFC/HK-RGC [N_HKUST609/09]
- HK-RGC GRF [604809, 605710]
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Thermal nitridation of reduced graphene oxide sheets yields highly conductive (similar to 1000-3000 S m(-1)) N-doped graphene sheets, as a result of the restoration of the graphene network by the formation of C-N bonded groups and N-doping. Even without carbon additives, supercapacitors made of the N-doped graphene electrodes can deliver remarkable energy and power when operated at higher voltages, in the range of 0-4 V.
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