Simultaneous Photoreduction and Nitrogen Doping of Graphene Oxide for Supercapacitors by Direct Laser Writing

  • Xiuyan Fu
  • Shuai Xu
  • Yang Luo
  • Aiwu LiEmail author
  • Han YangEmail author


Graphene-based supercapacitors have attracted tremendous attention owing to their outstanding electro-chemical performance. In terms of material, nitrogen(N)-doped graphene(NDG) displays enhanced specific capaci- tance and rate performance compared with bare graphene used as a supercapacitor electrode. However, it still remains a challenge to develop a facile and simple method of NDG in cost-effective manner. Here, we used a simple direct laser writing technique to accomplish the simultaneous photoreduction and N-doping of graphene oxide(GO) using urea as a N source. The N content of the resultant reduced N-doped graphene oxide(NGO) reached a maximum value of 6.37%. All reduced NGO(NRGO)-based supercapacitors exhibited a higher specific capacitance than those based on pure reduced GO(RGO). Interestingly, the electrochemical performance of NRGO-based supercapacitors varied with different contents of N species. Therefore, we can control the properties of the obtained NRGOs by adjusting the doping ratios, an important step in developing effective graphene-based energy storage devices.


Simultaneous photoreduction and nitrogen-doping Graphene based supercapacitor Direct laser writing 


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Copyright information

© Jilin University, The Editorial Department of Chemical Research in Chinese Universities and Springer-Verlag GmbH 2019

Authors and Affiliations

  1. 1.State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and EngineeringJilin UniversityChangchunP. R. China

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