Graphene quantum dots decorated 3D transitional metal (Fe, Co) oxide graphene nanoribbons for oxygen reduction reaction
(주)코리아스칼라
- 최초 등록일
- 2023.05.22
- 최종 저작일
- 2023.02
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서지정보
ㆍ발행기관 : 한국탄소학회
ㆍ수록지정보 : Carbon letters / 33권 / 1호
ㆍ저자명 : Xiyu Zhao, Changrui Lu, Jing Li, Caiyun Liu, Cheng Cao, Tianli Wu
목차
Abstract
1 Introduction
2 Experimental
2.1 Synthesis of GNRs
2.2 Synthesis of GQDs
2.3 Synthesis of 3D GQDs-Fe3O4CoO@GNRs
2.4 Electrochemical measurement
2.5 Sample characterization
3 Results and Discussion
4 Conclusion
Acknowledgements
References
영어 초록
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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