Facile microwave-assisted hydrothermal synthesis of TiO 2 nanotubes

L. Cui; K. N. Hui; K. S. Hui; S. K. Lee; W. Zhou; Z. P. Wan; Chi-Nhan Ha Thuc

doi:10.1016/j.matlet.2012.02.004

Facile microwave-assisted hydrothermal synthesis of TiO ₂ nanotubes

L. Cui, K. N. Hui, K. S. Hui, S. K. Lee, W. Zhou, Z. P. Wan, Chi-Nhan Ha Thuc

Research output: Contribution to journal › Article › peer-review

78 Citations (Scopus)

Abstract

Anatase TiO ₂ nanotubes grown on Ni foam substrates were successfully synthesized by treating TiO ₂ nanocrystals coated on an Ni foam in alkaline solution using a facile microwave-assisted hydrothermal method. The as-synthesized TiO ₂ nanotubes were characterized by SEM, TEM, and XRD. The effects of NaOH concentration, reaction time, hydrothermal temperature, and calcination temperature on the morphology, as well as crystal structure, of the nanotubes were investigated. TiO ₂ nanotubes synthesized under the optimal conditions were polycrystalline anatases with 4 to 5 multilayers, approximately 10 nm wide, and several tens of nanometers long. The possible formation mechanism for TiO ₂ nanotubes was also discussed in the current paper.

Original language	English
Pages (from-to)	175-178
Number of pages	4
Journal	Materials Letters
Volume	75
Early online date	8 Feb 2012
DOIs	https://doi.org/10.1016/j.matlet.2012.02.004
Publication status	Published - 15 May 2012

Keywords

Anatase
Microwave-assisted hydrothermal synthesis
TiO nanotubes

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10.1016/j.matlet.2012.02.004

Cite this

@article{fe029265f37440068ae0992df2a9c08f,

title = "Facile microwave-assisted hydrothermal synthesis of TiO 2 nanotubes",

abstract = "Anatase TiO 2 nanotubes grown on Ni foam substrates were successfully synthesized by treating TiO 2 nanocrystals coated on an Ni foam in alkaline solution using a facile microwave-assisted hydrothermal method. The as-synthesized TiO 2 nanotubes were characterized by SEM, TEM, and XRD. The effects of NaOH concentration, reaction time, hydrothermal temperature, and calcination temperature on the morphology, as well as crystal structure, of the nanotubes were investigated. TiO 2 nanotubes synthesized under the optimal conditions were polycrystalline anatases with 4 to 5 multilayers, approximately 10 nm wide, and several tens of nanometers long. The possible formation mechanism for TiO 2 nanotubes was also discussed in the current paper.",

keywords = "Anatase, Microwave-assisted hydrothermal synthesis, TiO nanotubes",

author = "L. Cui and Hui, {K. N.} and Hui, {K. S.} and Lee, {S. K.} and W. Zhou and Wan, {Z. P.} and Thuc, {Chi-Nhan Ha}",

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T1 - Facile microwave-assisted hydrothermal synthesis of TiO 2 nanotubes

AU - Cui, L.

AU - Hui, K. N.

AU - Hui, K. S.

AU - Lee, S. K.

AU - Zhou, W.

AU - Wan, Z. P.

AU - Thuc, Chi-Nhan Ha

PY - 2012/5/15

Y1 - 2012/5/15

N2 - Anatase TiO 2 nanotubes grown on Ni foam substrates were successfully synthesized by treating TiO 2 nanocrystals coated on an Ni foam in alkaline solution using a facile microwave-assisted hydrothermal method. The as-synthesized TiO 2 nanotubes were characterized by SEM, TEM, and XRD. The effects of NaOH concentration, reaction time, hydrothermal temperature, and calcination temperature on the morphology, as well as crystal structure, of the nanotubes were investigated. TiO 2 nanotubes synthesized under the optimal conditions were polycrystalline anatases with 4 to 5 multilayers, approximately 10 nm wide, and several tens of nanometers long. The possible formation mechanism for TiO 2 nanotubes was also discussed in the current paper.

AB - Anatase TiO 2 nanotubes grown on Ni foam substrates were successfully synthesized by treating TiO 2 nanocrystals coated on an Ni foam in alkaline solution using a facile microwave-assisted hydrothermal method. The as-synthesized TiO 2 nanotubes were characterized by SEM, TEM, and XRD. The effects of NaOH concentration, reaction time, hydrothermal temperature, and calcination temperature on the morphology, as well as crystal structure, of the nanotubes were investigated. TiO 2 nanotubes synthesized under the optimal conditions were polycrystalline anatases with 4 to 5 multilayers, approximately 10 nm wide, and several tens of nanometers long. The possible formation mechanism for TiO 2 nanotubes was also discussed in the current paper.

KW - Anatase

KW - Microwave-assisted hydrothermal synthesis

KW - TiO nanotubes

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