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Graphene quantum dots decorated 3D transitional metal (Fe, Co) oxide graphene nanoribbons for oxygen reduction reaction

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2023, 33(1), pp.155-162
  • DOI : 10.1007/s42823-022-00412-z
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : July 22, 2022
  • Accepted : September 21, 2022
  • Published : February 1, 2023

Zhao Xiyu 1 Lu Changrui 1 Li Jing 1 Liu Caiyun 1 Cao Cheng 1 Wu Tianli 2

1School of Chemistry and Chemical Engineering, Key Laboratory of Hexi Corridor Resources Utilization of Gansu, Hexi University, Zhangye, China
2Henan Key Laboratory of Photovoltaic Materials, Henan University, Kaifeng, China

Accredited

ABSTRACT

In this paper, we presented a hybrid composite of graphene quantum dots (GQDs)-modified three-dimensional graphene nanoribbons (3D GNRs) composite linked by Fe3O4 and CoO nanoparticles through reflux and ultrasonic treatment with GQDs, denoted as 3D GQDs-Fe3O4/CoO@GNRs (3D GFCG). In this hybrid, the 3D GNRs framework strengthened the electrical conductivity and the synergistic effects between GQDs and 3D GFCG enhanced the oxygen reduction reaction (ORR) activity of the nanocomposite. The results imply that decorating GQDs with other electro-catalysts is an effective strategy to synergistically improve their ORR activity.

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Scopus Citation Counts (1) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-07-01)

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