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The first observation of titanate nanotubes by spherical aberration corrected high-resolution transmission electron microscopy
Miao, L.1,2; Tanemura, S.1,2; Jiang, T.3; Tanemura, M.3; Yoshida, K.1,5; Tanaka, N.4; Xu, G.2
2009-07-01
Source PublicationSUPERLATTICES AND MICROSTRUCTURES
Volume46Issue:1-2Pages:357-364
AbstractMulti-wall titanate nanotubes (MW-TNNTs) with high aspect ratio, large surface area and good uniformity were produced by alkaline hydrothermal treatment of grounded TiO(2) aerogels and further by applying freeze-drying. Not only the crystal phase and diameter, but also morphology of the starting materials impact on the aspect ratio and transformation efficiency of the obtained nanotubes. Other parameters, such as pH value during neutralization process and drying method for the final products, are important to control length and dispersion of MW-TNNTs. By spherical aberration corrected high-resolution transmission-electron-microscopy (Cs-corrected HRTEM) with lateral space resolution of 0.14 nm at 200 W accelerating voltage and electron energy loss spectrum (EELS), the detailed structural analysis of MW-TNNTs reveals that (1) diameters of inner and outer tubes are about 4-7 nm and 10 nm, respectively, (2) numbers of layers are different from part to part along the longitudinal tube axis, (3) the walls of the tubes have interlayer spacing of 0.70-0.80 nm and the lateral fringes which are vertical to the walls have spacing of 0.32 nm, (4) each layer of MW-TNNT is the nanosheet composed by the arrayed TiO(6) octahedrons, and respective octahedron being slightly strained, and (5) no chirality of MW-TNNT tubular structure is observed. (C) 2009 Published by Elsevier Ltd
SubtypeArticle
KeywordHydrothermal Method Titanium Dioxide And Titanate Nanotubes Spherical Aberration Corrected Tem Chirality Eels
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.spmi.2008.12.017
WOS Subject ExtendedPhysics
WOS KeywordCRYSTALLINE TIO2 NANOTUBES ; FABRICATION ; TITANIUM ; WATER ; HYDROGEN ; FILMS
Indexed BySCI ; ISTP
Language英语
WOS SubjectPhysics, Condensed Matter
WOS IDWOS:000267444900061
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Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10304
Collection中国科学院广州能源研究所
Affiliation1.Japan Fine Ceram Ctr, Mat R&D Lab, Atsuta Ku, Nagoya, Aichi 4568587, Japan
2.Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Gangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
3.Nagoya Inst Technol, Dept Environm Technol, Grad Sch Engn, Showa Ku, Nagoya, Aichi 4668555, Japan
4.Nagoya Univ, EcoTopia Sci Inst, Chikusa Ku, Nagoya, Aichi 4648603, Japan
5.Nagoya Univ, Dept Crystalline Mat Sci, Chikusa Ku, Nagoya, Aichi 4648603, Japan
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GB/T 7714
Miao, L.,Tanemura, S.,Jiang, T.,et al. The first observation of titanate nanotubes by spherical aberration corrected high-resolution transmission electron microscopy[J]. SUPERLATTICES AND MICROSTRUCTURES,2009,46(1-2):357-364.
APA Miao, L..,Tanemura, S..,Jiang, T..,Tanemura, M..,Yoshida, K..,...&Xu, G..(2009).The first observation of titanate nanotubes by spherical aberration corrected high-resolution transmission electron microscopy.SUPERLATTICES AND MICROSTRUCTURES,46(1-2),357-364.
MLA Miao, L.,et al."The first observation of titanate nanotubes by spherical aberration corrected high-resolution transmission electron microscopy".SUPERLATTICES AND MICROSTRUCTURES 46.1-2(2009):357-364.
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