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Carbonization mechanism of tetrapropylammonium-hydroxide in channels of AlPO4-5 single crystals
Zhai J.P.1; Tang Z.K.1; Li Z.M.1; Li I.L.2; Jiang F.Y.1; Sheng P.1; Hu X.1
2006-03-21
Source PublicationChemistry of Materials
ISSN08974756
Volume18Issue:6Pages:1505-1511
AbstractWe studied the carbonization mechanism of tetrapropylammonium-hydroxide (TPAOH) carbon precursors in the channels of AlPO-5 crystal, with the aim of producing higher-density and better-quality 4 A carbon nanotubes. The conversion process of TPAOH was investigated by using a combination of Fourier transform infrared (FTIR) spectra, mass spectrometry, and micro-Raman spectroscopy under various pyrolysis temperatures. During the pyrolysis process, the TPAOH molecules decomposed into lighter amines with the abstraction of propylene, with the stepwise formation of tripropylamine, dipropylamine, and n-propylamine. This leads to the formation of 0.4 nm single-walled carbon nanotubes (SWNTs) at about 723 K. The SWNTs density was found to be higher than that resulting from the carbon precursor of tripropylamine (TPA), because of the larger number of carbon atoms in the unit cell. Thermogravimetry (TG) measurements also indicated a higher loading density (in AlPO-5 crystals) for the TPAOH carbon precursors. © 2006 American Chemical Society.
DOI10.1021/cm0526821
URLView the original
Language英語
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Cited Times [WOS]:10   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Hong Kong University of Science and Technology
2.Shenzhen University
Recommended Citation
GB/T 7714
Zhai J.P.,Tang Z.K.,Li Z.M.,et al. Carbonization mechanism of tetrapropylammonium-hydroxide in channels of AlPO4-5 single crystals[J]. Chemistry of Materials,2006,18(6):1505-1511.
APA Zhai J.P..,Tang Z.K..,Li Z.M..,Li I.L..,Jiang F.Y..,...&Hu X..(2006).Carbonization mechanism of tetrapropylammonium-hydroxide in channels of AlPO4-5 single crystals.Chemistry of Materials,18(6),1505-1511.
MLA Zhai J.P.,et al."Carbonization mechanism of tetrapropylammonium-hydroxide in channels of AlPO4-5 single crystals".Chemistry of Materials 18.6(2006):1505-1511.
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