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High pressure study of nitrogen doped carbon nanotubes using Raman spectroscopy and synchrotron X-ray diffraction
Shi, WG; Liu, H; Dong, ZH; Mi, ZY; Shieh, SR; Sun, XL; Liu, XY
2020
Source PublicationARABIAN JOURNAL OF CHEMISTRY
ISSN1878-5352
Volume13Issue:1Pages:3008-3016
Subtype期刊论文
AbstractIn this study, nitrogen-doped carbon nanotubes (CNx-NTs) with a 8.4% nitrogen content were investigated under high pressure using Raman spectroscopy as well as X ray diffraction (XRD) with synchrotron radiation. For comparison purpose, high pressure behaviors of carbon nanotubes (CNTs) without nitrogen were studied as well. Two phase transformations were identified in CNx-NTs, which can be assigned to tube shape change from circular to ellipse-like and then to flatten shape. In strong contrast, no obvious phase transition was found in CNTs. In addition to the tube shape change, a high pressure M-carbon phase was also evidenced by XRD. Both CNTs and CNx-NTs showed axial dependent compressibility under high pressure. Furthermore, this study found the CNx-NTs acted more complexly than carbon in other forms such as single wall CNTs, multiwall CNTs, and graphite, suggesting the doping of nitrogen in addition to the wall thickness affect the properties of CNx-NTs under high pressure. Especially the doping of nitrogen could also help to extend the appearance of M-carbon phase to lower pressure range. Finally, the TEM images also show the retrieved CNx-NTs were partially amorphousized, which was believed due to the high pressure M-carbon phase formed at high pressure. (C) 2018 Production and hosting by Elsevier B.V. on behalf of King Saud University.
KeywordSTRUCTURAL PHASE-TRANSITION GRAPHITE
DOI10.1016/j.arabjc.2018.08.010
Indexed BySCI ; EI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32904
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Northeast Petr Univ, Coll Chem & Chem Engn, Daqing 163318, Peoples R China
2.Chengdu Green Energy & Green Mfg Technol R&D Ctr, Chengdu 610207, Sichuan, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China
4.Univ Western Ontario, Dept Earth Sci, London, ON N6A 5B7, Canada
5.Univ Western Ontario, Dept Mech & Mat Engn, London, ON N6A 5B7, Canada
6.Jilin Univ, Coll Chem, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130023, Jilin, Peoples R China
Recommended Citation
GB/T 7714
Shi, WG,Liu, H,Dong, ZH,et al. High pressure study of nitrogen doped carbon nanotubes using Raman spectroscopy and synchrotron X-ray diffraction[J]. ARABIAN JOURNAL OF CHEMISTRY,2020,13(1):3008-3016.
APA Shi, WG.,Liu, H.,Dong, ZH.,Mi, ZY.,Shieh, SR.,...&Liu, XY.(2020).High pressure study of nitrogen doped carbon nanotubes using Raman spectroscopy and synchrotron X-ray diffraction.ARABIAN JOURNAL OF CHEMISTRY,13(1),3008-3016.
MLA Shi, WG,et al."High pressure study of nitrogen doped carbon nanotubes using Raman spectroscopy and synchrotron X-ray diffraction".ARABIAN JOURNAL OF CHEMISTRY 13.1(2020):3008-3016.
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