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Enhanced Catalytic Activity of Carbon Nanotubes for the Oxidation of Cyclohexane by Filling with Fe, Ni, and FeNi alloy Nanowires
Yang, Xixian1,2; Li, Yuhang2; Yu, Hao2; Gui, Xuchun3; Wang, Hongjuan2; Huang, Hongyu1; Peng, Feng2
2016
发表期刊AUSTRALIAN JOURNAL OF CHEMISTRY
卷号69期号:6页码:689-695
摘要Fe-, Ni-, and alloyed FeNi-filled carbon nanotubes (Fe@CNT, Ni@CNT, and FeNi@CNT) were prepared by a general strategy using a mixture of xylene and dichlorobenzene as carbon source, and ferrocene, nickelocene, and their mixture as catalysts. By tailoring the composition of the carbon precursor, the filling ratio and the wall thickness of metal@CNT could be controlled. For the catalytic oxidation of cyclohexane in liquid phase with molecular oxygen as oxidant, the highest activity was obtained over Fe@CNT synthesized from pure dichlorobenzene. However, Ni filling did not improve the activity of CNTs. The effects of metal filling, wall thickness, and defects on catalytic activity were investigated to determine the structure-activity relationship of the filled CNTs. The enhanced catalytic performance can be attributed to a combined contribution of thin walls of CNTs and confined electron-donating metals, which are favourable to electron transfer on the surfaces of CNTs. The modification of the electronic structure of CNTs upon Fe and Ni fillers insertion was elucidated through density functional theory calculations.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1071/CH15516
研究领域[WOS]Chemistry
关键词[WOS]AEROBIC OXIDATION ; LIQUID-PHASE ; IRON ; NANOPARTICLES ; CONFINEMENT ; OXYGEN ; REDUCTION ; GROWTH
收录类别SCI
语种英语
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000378606900012
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/11776
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Integrated Technol Ctr, Guangzhou 510640, Guangdong, Peoples R China
2.S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510640, Guangdong, Peoples R China
3.Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou 510640, Guangdong, Peoples R China
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Yang, Xixian,Li, Yuhang,Yu, Hao,et al. Enhanced Catalytic Activity of Carbon Nanotubes for the Oxidation of Cyclohexane by Filling with Fe, Ni, and FeNi alloy Nanowires[J]. AUSTRALIAN JOURNAL OF CHEMISTRY,2016,69(6):689-695.
APA Yang, Xixian.,Li, Yuhang.,Yu, Hao.,Gui, Xuchun.,Wang, Hongjuan.,...&Peng, Feng.(2016).Enhanced Catalytic Activity of Carbon Nanotubes for the Oxidation of Cyclohexane by Filling with Fe, Ni, and FeNi alloy Nanowires.AUSTRALIAN JOURNAL OF CHEMISTRY,69(6),689-695.
MLA Yang, Xixian,et al."Enhanced Catalytic Activity of Carbon Nanotubes for the Oxidation of Cyclohexane by Filling with Fe, Ni, and FeNi alloy Nanowires".AUSTRALIAN JOURNAL OF CHEMISTRY 69.6(2016):689-695.
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