Triethanolamine - Solution for rapid hydrothermal synthesis of titanate nanotubes

Muhamad, M. R. and An'amt, M. N. and Huang, N. M. and Radiman, S. and Lim, H. M. (2014) Triethanolamine - Solution for rapid hydrothermal synthesis of titanate nanotubes. Sains Malaysiana, 43 (1). pp. 137-144. ISSN 0126-6039

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Abstract

Titanate nanotubes were prepared by a rapid hydrothermal method in the presence of triethanolamine (TEA) using TiO2 nanoparticles as a precursor. The addition of TEA significantly reduced the formation time of the titanate nanotubes from 24 to 6 h. The crystalline structure of the titanate nanotubes was revealed to be H2Ti2O5 through the X-ray diffraction (XRD) measurement. The morphology of the titanate nanotubes was confirmed using transmission electron microscopy (TEM) while the surface area was characterized using Brunauer-Emmett-Teller (BET) surface area analysis. The titanate nanotubes produced were several hundred nanometers in length and had an average outer diameter of ~ 11.5 nm, inner diameter of ~5.0 nm, interlayer spacing of 0.93 nm and surface area of >250 m2/g. The photocatalytic activity of the titanate nanotubes was studied using methylene blue as a model dye; the titanate nanotubes showed better photocatalytic performance as compared to TiO2 nanoparticles.

Item Type: Article
Subjects: T Technology > TP Chemical technology
Depositing User: Ms Nurul Iqtiani Ahmad
Date Deposited: 10 Mar 2014 08:50
Last Modified: 10 Mar 2014 08:50
URI: http://shdl.mmu.edu.my/id/eprint/5330

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