Study of titanate nanotubes by X-ray and electron diffraction and electron microscopy

被引：8

作者：

Brunatova, Tereza ^{[1
]}

Popelkova, Daniela ^{[2
]}

Wan, Wei ^{[3
,4
]}

Oleynikov, Peter ^{[4
]}

Danis, Stanislav ^{[1
]}

Zou, Xiaodong ^{[3
,4
]}

Kuzel, Radomir ^{[1
]}

机构：

[1] Charles Univ Prague, Fac Math & Phys, Dept Condensed Matter Phys, Prague, Czech Republic

[2] Acad Sci Czech Republ, Inst Macromol Chem, Prague, Czech Republic

[3] Stockholm Univ, Berzelii Ctr EXSELENT Porous Mat, SE-10691 Stockholm, Sweden

[4] Stockholm Univ, Dept Mat & Environm Chem, SE-10691 Stockholm, Sweden

来源：

MATERIALS CHARACTERIZATION | 2014年 / 87卷

基金：

瑞典研究理事会;

关键词：

Computer simulations; Transmission electron microscopy; Electron diffraction; Titanate nanotubes; X-ray powder diffraction; Debye formula; TIO2;

D O I：

10.1016/j.matchar.2013.11.010

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The structure of titanate nanotubes (Ti-NTs) was studied by a combination of powder X-ray diffraction (PXRD), electron diffraction and high resolution transmission electron microscopy (HRTEM). Ti-NTs are prepared by hydrothermal treatment of TiO2 powder. The structure is identified by powder X-ray diffraction as the one based on the structure of H2Ti2O5 center dot H2O phase. The same structure is obtained by projected potential from HRTEM through-focus image series. The structure is verified by simulated PXRD pattern with the aid of the Debye formula. The validity of the model is tested by computing Fourier transformation of a single nanotube which is proportional to measured electron diffraction intensities. A good agreement of this calculation with measured precession electron diffraction data is achieved. (C) 2013 Elsevier Inc. All rights reserved.

引用

页码：166 / 171

页数：6

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