Fenton-Reaction-Derived Fe/N-Doped Graphene with Encapsulated Fe3C Nanoparticles for Efficient Photo-Fenton Catalysis

被引：12
作者：
Huang, Xiaoqin [1 ,2 ]
Feng, Bomin [1 ,2 ]
Niu, Yanli [1 ,2 ]
Zhao, Lei [1 ,2 ]
Hu, Weihua [1 ]
机构：
[1] Southwest Univ, Fac Mat & Energy, Inst Clean Energy & Adv Mat, Chongqing, Peoples R China
[2] Chongqing Key Lab Adv Mat & Technol Clean Energie, Chongqing, Peoples R China
来源：
CATALYSIS LETTERS | 2018年 / 148卷 / 08期
关键词：
Fenton-reaction-derived; Fe3C@Fe/N-G; Fenton catalyst; Polydopamine; Oxidative degradation; Activity; Recyclability; DEGRADATION; IRON; CARBON; OXIDATION; ELECTROCATALYST; DYE; NANOTUBES; HYBRIDS; H2O2;
D O I：
10.1007/s10562-018-2425-1
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
An excellent Fenton catalyst requires high activity, good stability and also convenience in separation for recycling. In this work we report Fenton-reaction-derived iron/nitrogen-doped graphene with encapsulated iron carbide nanoparticles (Fe3C@Fe/N-G) as an excellent heterogeneous Fenton catalyst. It was synthesized via Fe3+/H2O2-Fenton-reaction-driven oxidative polymerization of dopamine on graphene oxide surface, followed by carbonization process. Detailed characterizations unveil that as-prepared Fe3C@Fe/N-G is made up of Fe/N-doped graphene sheets with encapsulated dense and homogeneous Fe3C nanoparticles. Due to its unique microstructure and rationally-combined components, this catalyst exhibits appealing catalytic performance including high activity and excellent recoverability in photo-assisted Fenton reaction. This work may offer a valuable route to rational design and controllable synthesis of high-performance transition metal-based catalysts. [GRAPHICS] .
引用
收藏
页码：2528 / 2536
页数：9
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