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Carbon nitride modified nanocarbon materials as efficient non-metallic catalysts for alkane dehydrogenation
Shi, L; Qi, W; Liu, W; Yan, PQ; Li, F; Sun, JM; Su, DS; Su, DS (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110000, Liaoning, Peoples R China.; Sun, JM (reprint author), Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Harbin 150080, Heilongjiang, Peoples R China.
2018-03-01
Source PublicationCATALYSIS TODAY
ISSN0920-5861
Volume301Pages:48-54
AbstractCarbon nitride modified carbon nanotubes (CN-OCNT) was prepared through simple electrostatic-dispersion and carbonization process using melamine and oxidized CNTs (oCNTs) as precursors. The stable electrostatic interactions between melamine and oCNTs enable a homogeneous dispersion of the precursor melamine on oCNTs surface. Carbon nitride (CNx) layers formed in-situ and dispersed evenly on oCNTs surface after thermal treatment. The modification with CNx layers increased the surface area and basicity of nanocarbon materials. And the electron rich CNx layers effectively increased the nucleophilicity, and thus promoted the CeH bond activation ability of nanocarbon catalysts. CNx modified nanocarbon exhibited an obviously higher intrinsic activity than unmodified ones.; Carbon nitride modified carbon nanotubes (CN-OCNT) was prepared through simple electrostatic-dispersion and carbonization process using melamine and oxidized CNTs (oCNTs) as precursors. The stable electrostatic interactions between melamine and oCNTs enable a homogeneous dispersion of the precursor melamine on oCNTs surface. Carbon nitride (CNx) layers formed in-situ and dispersed evenly on oCNTs surface after thermal treatment. The modification with CNx layers increased the surface area and basicity of nanocarbon materials. And the electron rich CNx layers effectively increased the nucleophilicity, and thus promoted the CeH bond activation ability of nanocarbon catalysts. CNx modified nanocarbon exhibited an obviously higher intrinsic activity than unmodified ones.
description.department[shi, lei] liaoning shihua univ, coll chem chem engn & environm engn, fushun 113001, peoples r china ; [shi, lei ; qi, wei ; liu, wei ; yan, pengqiang ; li, fan ; su, dangsheng] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110000, liaoning, peoples r china ; [sun, jianmin] harbin inst technol, state key lab urban water resource & environm, harbin 150080, heilongjiang, peoples r china
KeywordSteam-free Dehydrogenation Oxygen Reduction Reaction Oxidative Dehydrogenation Active-sites In-situ Ethylbenzene Dehydrogenation Electrocatalytic Activity Energy-conversion Styrene Synthesis Nitrogen
Subject AreaChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
Funding OrganizationNSFC of China [21573256, 91645114, 2161101164, 51521091]; Joint Research Program of Natural Science Foundation of Liaoning Province-Shenyang National Laboratory for Materials Science [2015021010]; Youth Innovation Promotion Association, CAS; talent scientific research fund of LSHU [2016XJJ-080]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79483
Collection中国科学院金属研究所
Corresponding AuthorQi, W; Su, DS (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110000, Liaoning, Peoples R China.; Sun, JM (reprint author), Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Harbin 150080, Heilongjiang, Peoples R China.
Recommended Citation
GB/T 7714
Shi, L,Qi, W,Liu, W,et al. Carbon nitride modified nanocarbon materials as efficient non-metallic catalysts for alkane dehydrogenation[J]. CATALYSIS TODAY,2018,301:48-54.
APA Shi, L.,Qi, W.,Liu, W.,Yan, PQ.,Li, F.,...&Sun, JM .(2018).Carbon nitride modified nanocarbon materials as efficient non-metallic catalysts for alkane dehydrogenation.CATALYSIS TODAY,301,48-54.
MLA Shi, L,et al."Carbon nitride modified nanocarbon materials as efficient non-metallic catalysts for alkane dehydrogenation".CATALYSIS TODAY 301(2018):48-54.
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