NDLI: Ferric carbide nanocrystals encapsulated in nitrogen-doped carbon nanotubes as an outstanding environmental catalyst

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Back cover

Environmental Science: Nano Vol -3

Environmental Science: Nano Vol -2

Environmental Science: Nano Vol -1

Ferric carbide nanocrystals encapsulated in nitrogen-doped carbon nanotubes as an outstanding environmental catalyst

Content Provider	Royal Society of Chemistry (RSC)
Author	Liang, Ping Zhang, Huayang Tadé, Moses O. Wang, Shaobin Wang, Chen Sun, Hongqi Kang, Jian
Copyright Year	2017
Abstract	Nitrogen-doped carbon nanotubes encapsulating iron carbide (Fe3C) nanocrystals (Fe3C@NCNT) were fabricated by a simple and direct pyrolysis method using melamine and ferric chloride as the C, N and Fe precursors. The surface morphology, structure and composition of the Fe3C@NCNT materials were thoroughly investigated. The nanomaterials were employed as novel catalysts for peroxymonosulfate (PMS) activation; outstanding efficiency, high stability and excellent reusability were observed in the catalytic oxidation of organics. The encapsulated Fe3C nanoparticles played a key role in the emerging synergetic effects of the carbide and the protective graphitic layers. In addition, the quaternary N and trace amounts of iron on the CNT surface acted as the active sites. Various quenching experiments were carried out to elucidate the catalytic mechanism of Fe3C@NCNT. It was found that singlet oxygen, superoxide, sulfate and hydroxyl radicals worked together to degrade phenol solutions. Due to their simple synthesis method, low-cost precursors, unique structure and excellent catalytic activity and stability, these novel iron-carbide-based composites have great potential as new strategic materials for environmental catalysis.
Starting Page	170
Ending Page	179
Page Count	10
File Format	HTM / HTML PDF
ISSN	20518153
Volume Number	4
Issue Number	1
Journal	Environmental Science: Nano
DOI	10.1039/c6en00397d
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Subscribed
Subject Keyword	CNT Carbon nanotube Pyrolysis Melamine Iron(III) chloride Nanomaterials Singlet oxygen Superoxide Sulfuric acid Hydroxy group Phenol
Content Type	Text
Resource Type	Article
Subject	Environmental Science Materials Science

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