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Syntheses and catalytic applications of the high-N-content, the cup-stacking and the macroscopic nitrogen doped carbon nanotubes
Wang, Qi; Wang, Haihua; Zhang, Yajie; Wen, Guodong; Liu, Hongyang; Su, Dangsheng; Su, DS (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
2017-08-01
Source PublicationJOURNAL MATER SCI TECHNOL
ISSN1005-0302
Volume33Issue:8Pages:843-849
AbstractThe high-N-content, the cup-stacking and the macroscopic nitrogen doped carbon nanotubes (NCNT) were synthesized via an easily manufactured catalytic chemical vapor deposition (CCVD) method. Nitrogen physisorption, transmission electron microscopy (TEM), thermogravimetric analysis (TGA), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) were used to characterize the as-obtained NCNTs. High reaction temperatures were found to be the key point to the formation of inner-cup-stacking NCNTs. However, the synthesis of the outer-cup-stacking NCNT needs special demands not only to the reaction temperature but also to the catalyst and the carrier gas. The possibility of CO oxidation by NCNT was proved to be very small, and the outer-cup-stacking NCNT showed obvious advantage in the oxidative dehydrogenation (ODH) of butene to butadiene compared to a bamboo-like NCNT with an even higher N content. (C) 2017 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.; The high-N-content, the cup-stacking and the macroscopic nitrogen doped carbon nanotubes (NCNT) were synthesized via an easily manufactured catalytic chemical vapor deposition (CCVD) method. Nitrogen physisorption, transmission electron microscopy (TEM), thermogravimetric analysis (TGA), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) were used to characterize the as-obtained NCNTs. High reaction temperatures were found to be the key point to the formation of inner-cup-stacking NCNTs. However, the synthesis of the outer-cup-stacking NCNT needs special demands not only to the reaction temperature but also to the catalyst and the carrier gas. The possibility of CO oxidation by NCNT was proved to be very small, and the outer-cup-stacking NCNT showed obvious advantage in the oxidative dehydrogenation (ODH) of butene to butadiene compared to a bamboo-like NCNT with an even higher N content. (C) 2017 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
description.department[wang, qi ; zhang, yajie] univ sci & technol china, sch mat sci & engn, hefei 230026, anhui, peoples r china ; [wang, qi ; wang, haihua ; zhang, yajie ; wen, guodong ; liu, hongyang ; su, dangsheng] chinese acad sci, inst met res, shenyang 110016, peoples r china
KeywordHigh-n-content Ncnt Cup-stacking Ncnt Macroscopic Ncnt Co Oxidation Oxidative Dehydrogenation
Subject AreaMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [21133010, 21473223, 51221264, 21261160487, 21411130120, 21503241, 91545119, 91545110]; Chinese Academy of Sciences [XDA09030103]; CAS/SAFEA
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79161
Collection中国科学院金属研究所
Corresponding AuthorSu, DS (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Wang, Qi,Wang, Haihua,Zhang, Yajie,et al. Syntheses and catalytic applications of the high-N-content, the cup-stacking and the macroscopic nitrogen doped carbon nanotubes[J]. JOURNAL MATER SCI TECHNOL,2017,33(8):843-849.
APA Wang, Qi.,Wang, Haihua.,Zhang, Yajie.,Wen, Guodong.,Liu, Hongyang.,...&Su, DS .(2017).Syntheses and catalytic applications of the high-N-content, the cup-stacking and the macroscopic nitrogen doped carbon nanotubes.JOURNAL MATER SCI TECHNOL,33(8),843-849.
MLA Wang, Qi,et al."Syntheses and catalytic applications of the high-N-content, the cup-stacking and the macroscopic nitrogen doped carbon nanotubes".JOURNAL MATER SCI TECHNOL 33.8(2017):843-849.
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