Synthesis of Sodium Titanate Nanotubes by Microwave Hydrothermal Method

Abstract

Abstract:

The effects of raw material, reaction time, NaOH concentration were studied on the synthesis of sodium titanate nanotubes via a microwave hydrothermal method. Sodium titanate nanotubes with a uniform
morphology were synthesized in NaOH solution (8--12mol/L), heated by a microwave power of 195W over 70min. The samples were investigated by means of TEM, XRD, BET, EDAX and N₂
adsorption/desorption technique. The nanotubes derived from the microwave hydrothermal method features shortened reaction time and higher thermal stability, with the tube structure collapsed
at a temperature over 500℃, 100℃ higher than that synthesized by the ordinary hydrothermal method. Furthermore, the samples after calcination at 300℃ will convert into
single crystalline sodium titanate nanotubes.

Key words: sodium titanate nanotubes, microwave hydrothermal synthesis, thermal stability

CLC Number:

TB383
O612

FU Min,JIANG Zhi-Dong,MA Zi-Feng,SHANGGUAN Wen-Feng. Synthesis of Sodium Titanate Nanotubes by Microwave Hydrothermal Method[J]. Journal of Inorganic Materials.

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Synthesis of Sodium Titanate Nanotubes by Microwave Hydrothermal Method

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