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Phosphate-Modified Carbon Nanotubes in the Oxidative Dehydrogenation of Isopentanes
R. Huang; H. Y. Liu; B. S. Zhang; X. Y. Sun; C. H. Liang; D. S. Su; B. N. Zong; J. F. Rong
2014
Source PublicationChemsuschem
ISSN1864-5631
Volume7Issue:12Pages:3476-3482
AbstractKetonic/quinonic C=O groups on the surface of a carbon matrix are capable of abstracting hydrogen in C-H bonds from hydrocarbons and enable them to selectively convert into corresponding unsaturated hydrocarbons; this process is the oxidative dehydrogenation (ODH) reaction. However, a variety of inevitable defects or graphene edges and other oxygen-containing groups on the carbon matrix are detrimental to the selective production of alkenes due to their high activity towards overoxidation. Herein, we show that phosphate can not only impede the total oxidation but also cover the selective C=O groups, hence allowing its use as a modulator to defects and oxygen-containing functional groups on the multiwalled carbon nanotubes, regulating the distribution of active sites and related catalytic targets.
description.department[huang, rui ; liang, chang hai] dalian univ technol, lab adv mat & catalyt engn, dalian 116024, peoples r china. [huang, rui ; liu, hong yang ; zhang, bing sen ; sun, xiao yan ; su, dang sheng] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. [zong, bao ning ; rong, jun feng] sinopec res inst petr proc, beijing 100083, peoples r china. ; huang, r (reprint author), dalian univ technol, lab adv mat & catalyt engn, 2 linggong rd, dalian 116024, peoples r china. ; dangsheng@fhi-berlin.mpg.de
KeywordActive Sites Carbon Nanotubes Dehydrogenation Hydrocarbons Phosphorous Containing Functional-groups Mg-o Catalysts Surface-chemistry Activated Carbon Phosphoric-acid N-butane Oxygen Graphene Inhibition Graphite
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73248
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
R. Huang,H. Y. Liu,B. S. Zhang,et al. Phosphate-Modified Carbon Nanotubes in the Oxidative Dehydrogenation of Isopentanes[J]. Chemsuschem,2014,7(12):3476-3482.
APA R. Huang.,H. Y. Liu.,B. S. Zhang.,X. Y. Sun.,C. H. Liang.,...&J. F. Rong.(2014).Phosphate-Modified Carbon Nanotubes in the Oxidative Dehydrogenation of Isopentanes.Chemsuschem,7(12),3476-3482.
MLA R. Huang,et al."Phosphate-Modified Carbon Nanotubes in the Oxidative Dehydrogenation of Isopentanes".Chemsuschem 7.12(2014):3476-3482.
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