Issue 20, 2003

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

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

Article information

Article type
Paper
Submitted
19 मई 2003
Accepted
20 अगस्त 2003
First published
03 सितम्बर 2003

Dalton Trans., 2003, 3898-3901

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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