ICCAS OpenIR
Diameter controlled growth of single-walled carbon nanotubes from SiO2 nanoparticles
Chen, Yabin; Zhang, Jin
2011-08-01
Source PublicationCARBON
ISSN0008-6223
Volume49Issue:10Pages:3316-3324
AbstractA rational approach is reported for the growth of single-walled carbon nanotubes (SWCNTs) with controlled diameters using SiO2 nanoparticles in a chemical vapor deposition system. The SiO2 nanoparticles with different sizes were prepared by thermal oxidation of 3-aminopropyltriethoxysilane (APTES) with different number of layers which were assembled on Si substrates. It was found that the size of SiO2 nanoparticles increased with the number of assembled APTES layers. Using these SiO2 nanoparticles as nucleation centers, the diameter distribution of as-grown SWCNTs were correlated with the size of SiO2 particles. In addition, both the classical longitudinal optical or transverse optical bands of SiC in in situ Raman spectra during the whole growth process and the Si 2p peak of SiC in the X-ray photoelectron spectra were not observed, suggesting that the carbon sources did not react with the SiO2 nanoparticles during the growth. Comparing to vapor-liquid-solid mechanism for metallic catalysts, vapor-solid mechanism is proposed which results in a lower growth rate when using SiO2 nanoparticles as nucleation centers. (C) 2011 Elsevier Ltd. All rights reserved.
DOI10.1016/j.carbon.2011.04.016
Indexed BySCI
Language英语
WOS IDWOS:000291959300021
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:49[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/73564
Collection中国科学院化学研究所
Corresponding AuthorZhang, Jin
AffiliationPeking Univ, State Key Lab Struct Chem Unstable & Stable Speci, Key Lab Phys & Chem Nanodevices,Ctr Nanochem, Beijing Natl Lab Mol Sci,Coll Chem & Mol Engn, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Chen, Yabin,Zhang, Jin. Diameter controlled growth of single-walled carbon nanotubes from SiO2 nanoparticles[J]. CARBON,2011,49(10):3316-3324.
APA Chen, Yabin,&Zhang, Jin.(2011).Diameter controlled growth of single-walled carbon nanotubes from SiO2 nanoparticles.CARBON,49(10),3316-3324.
MLA Chen, Yabin,et al."Diameter controlled growth of single-walled carbon nanotubes from SiO2 nanoparticles".CARBON 49.10(2011):3316-3324.
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