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

被引：7

作者：

Zhao, Xiyu ^{[1
]}

Lu, Changrui ^{[1
]}

Li, Jing ^{[1
]}

Liu, Caiyun ^{[1
]}

Cao, Cheng ^{[1
]}

Wu, Tianli ^{[2
]}

机构：

[1] Hexi Univ, Sch Chem & Chem Engn, Key Lab Hexi Corridor Resources Utilizat Gansu, Zhangye, Peoples R China

[2] Henan Univ, Henan Key Lab Photovolta Mat, Kaifeng, Peoples R China

来源：

CARBON LETTERS | 2023年 / 33卷 / 01期

关键词：

3D graphene nanoribbons; Fe3O4; CoO; Electro-catalyst; ORR; X ACTIVE-SITES; HYDROTHERMAL SYNTHESIS; CARBON NANOTUBES; ANODE MATERIAL; ELECTROCATALYST; PERFORMANCE; CATALYSTS; ARCHITECTURES;

D O I：

10.1007/s42823-022-00412-z

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页码：155 / 162

页数：8

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