Issue 20, 2003
From the journal:

Dalton Transactions

Study on composition, structure and formation process of nanotube Na2Ti2O4(OH)2

Jianjun Yang,a   Zhensheng Jin,*a   Xiaodong Wang,a   Wei Li,a   Jingwei Zhang,a   Shunli Zhang,a   Xinyong Guoa  and  Zhijun Zhang*a  

* Corresponding authors

a Key Lab of Special Functional Materials, Henan University, Kaifeng, 475001, China
E-mail: zhenshengjin@henu.edu.cn

Abstract

A nanotube material is obtained by the reaction of polycrystalline TiO2 with concentrated NaOH solution for 20 h at 110 °C. From the contents of Na, Ti and the structural water determined, it is concluded that the nanotube material is Na2Ti2O4(OH)2, rather than TiO2, TiOx or H2TiO3. After treating with an HCl solution of pH 1, nanotube Na2Ti2O4(OH)2 can be converted to nanotube H2Ti2O4(OH)2. The crystalline structure of such nanotube materials belongs to an orthorhombic crystalline system. TEM results indicate that nanotube Na2Ti2O4(OH)2 is formed in the reaction stage of TiO2 with concentrated NaOH solution. The formation process is discussed.

Graphical abstract: Study on composition, structure and formation process of nanotube Na2Ti2O4(OH)2

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Article information

DOI
https://doi.org/10.1039/B305585J
Article type
Paper
Submitted
19 May 2003
Accepted
20 Aug 2003
First published
03 Sep 2003

Dalton Trans., 2003, 3898-3901

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Study on composition, structure and formation process of nanotube Na2Ti2O4(OH)2

J. Yang, Z. Jin, X. Wang, W. Li, J. Zhang, S. Zhang, X. Guo and Z. Zhang, Dalton Trans., 2003, 3898 DOI: 10.1039/B305585J

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