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通过sp碳氢化合物辅助的碳纳米管生长实现结构转变

Structure transformation by sp hydrocarbon assisted carbon nanotube growth.

作者信息

Moon Sook Young, Kim Woo Sik, Kim Chung Soo

机构信息

Institute of Advanced Composite Materials, Korea Institute of Science and Technology (KIST) Jeonbuk 55324 Republic of Korea

Ceramic Fiber & Composite Center, Korea Institute of Ceramic Engineering & Technology Gyeongsangnam-do 52851 Republic of Korea.

出版信息

RSC Adv. 2018 Jul 18;8(45):25815-25818. doi: 10.1039/c8ra04244f. eCollection 2018 Jul 16.

DOI:10.1039/c8ra04244f
PMID:35539813
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9082629/
Abstract

In this study, we investigated the effect of hydrocarbon species composition on carbon nanotube (CNT) growth using an iron catalyst by chemical vapor deposition. The atomic hydrogen and active carbon species from hydrocarbon affect to the nucleation and growth of CNT arrays. With increasing atomic hydrogen content, the interface layer distance of the CNTs decreased from 3.7 to 3.4 Å. The shifts in the G-band in the Raman spectra of the CNTs indicated that the hydrogen atoms affected the generation of C-C bonds in graphene layers.

摘要

在本研究中，我们通过化学气相沉积法，研究了烃类物种组成对使用铁催化剂生长碳纳米管（CNT）的影响。来自烃类的原子氢和活性碳物种会影响CNT阵列的成核和生长。随着原子氢含量的增加，CNT的界面层间距从3.7 Å减小到3.4 Å。CNT拉曼光谱中G带的位移表明，氢原子影响了石墨烯层中C-C键的生成。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b59a/9082629/eaf7dd689a48/c8ra04244f-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b59a/9082629/5d7a02360978/c8ra04244f-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b59a/9082629/6bc8504e44c2/c8ra04244f-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b59a/9082629/254c684e0020/c8ra04244f-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b59a/9082629/eaf7dd689a48/c8ra04244f-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b59a/9082629/5d7a02360978/c8ra04244f-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b59a/9082629/6bc8504e44c2/c8ra04244f-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b59a/9082629/254c684e0020/c8ra04244f-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b59a/9082629/eaf7dd689a48/c8ra04244f-f4.jpg

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本文引用的文献

1
Extremely High Thermal Conductivity of Aligned Carbon Nanotube-Polyethylene Composites.取向碳纳米管-聚乙烯复合材料的极高热导率
Sci Rep. 2015 Nov 10;5:16543. doi: 10.1038/srep16543.
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A carbon nanotube optical rectenna.一种碳纳米管光整流天线。
Nat Nanotechnol. 2015 Dec;10(12):1027-32. doi: 10.1038/nnano.2015.220. Epub 2015 Sep 28.
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Mechanical properties of carbon nanotube/polymer composites.碳纳米管/聚合物复合材料的力学性能。
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Electrochemical activation of carbon nanotube/polymer composites.碳纳米管/聚合物复合材料的电化学活化
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Water-assisted highly efficient synthesis of impurity-free single-walled carbon nanotubes.水辅助高效合成无杂质单壁碳纳米管。
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Nanotechnology: spinning continuous carbon nanotube yarns.纳米技术：纺制连续碳纳米管纱线。
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Structural ( n, m) determination of isolated single-wall carbon nanotubes by resonant Raman scattering.通过共振拉曼散射确定孤立单壁碳纳米管的结构（n，m）
Phys Rev Lett. 2001 Feb 5;86(6):1118-21. doi: 10.1103/PhysRevLett.86.1118.
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