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Structure and catalytic activities of ferrous centers confined on the interface between carbon nanotubes and humic acid
Wang B(汪冰); Zhou XY(周晓艳); Wang DQ(王东琪); Chen HQ(陈汉清); Gao XF(高兴发); Zhang J(张静); Kui RX(奎热西); Chai ZF(柴之芳); Feng WY(丰伟悦); Zhao YL(赵宇亮); Wang, B; Zhou, XY; Wang, DQ; Yin, JJ; Chen, HQ; Gao, XF; Zhang, J; Ibrahim, K; Chai, ZF; Feng, WY; Zhao, YL
2015
发表期刊NANOSCALE
卷号7期号:6页码:2651-2658
通讯作者王东琪 ; 丰伟悦
文章类型Article
摘要Preparation of heterogeneous catalysts with active ferrous centers is of great significance for industrial and environmental catalytic processes. Nanostructured carbon materials (NCM), which possess free-flowing p electrons, can coordinate with transition metals, provide a confinement environment for catalysis, and act as potential supports or ligands to construct analogous complexes. However, designing such catalysts using NCM is still seldom studied to date. Herein, we synthesized a sandwich structured ternary complex via the coordination of Fe-loaded humic acid (HA) with C=C bonds in the aromatic rings of carbon nanotubes (CNTs), in which the O/N-Fe-C interface configuration provides the confinement environment for the ferrous sites. The experimental and theoretical results revealed octahedrally/tetra-hedrally coordinated geometry at Fe centers, and the strong hybridization between CNT C pi* and Fe 3d orbitals induces discretization of the atomic charges on aromatic rings of CNTs, which facilitates O-2 adsorption and electron transfer from carbon to O-2, which enhances O-2 activation. The O-2 activation by the novel HA/Fe-CNT complex can be applied in the oxidative degradation of phenol red (PR) and bisphenol A (BPA) in aqueous media.
学科领域Chemistry; Science & Technology - Other Topics; Materials Science; Physics
DOI10.1039/c4nr06665k
收录类别SCI ; EI ; CA ; MEDLINE
WOS类目Chemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS记录号WOS:000349472300057
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228168
专题院士
多学科研究中心
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GB/T 7714
Wang B,Zhou XY,Wang DQ,et al. Structure and catalytic activities of ferrous centers confined on the interface between carbon nanotubes and humic acid[J]. NANOSCALE,2015,7(6):2651-2658.
APA 汪冰.,周晓艳.,王东琪.,陈汉清.,高兴发.,...&Zhao, YL.(2015).Structure and catalytic activities of ferrous centers confined on the interface between carbon nanotubes and humic acid.NANOSCALE,7(6),2651-2658.
MLA 汪冰,et al."Structure and catalytic activities of ferrous centers confined on the interface between carbon nanotubes and humic acid".NANOSCALE 7.6(2015):2651-2658.
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