Electrochemical growth of self-organized TiO2-WO3 composite nanotube layers: Effects of applied voltage and time

Yoon Chae Nah; Nabeen K. Shrestha; Doohun Kim; Patrik Schmuki

doi:10.1007/s10800-012-0498-x

Electrochemical growth of self-organized TiO₂-WO₃ composite nanotube layers: Effects of applied voltage and time

Yoon Chae Nah, Nabeen K. Shrestha, Doohun Kim, Patrik Schmuki

Division of System Semiconductor

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

18 Scopus citations

Abstract

The present work demonstrates that morphology of TiO₂-WO ₃ composite nanotubes formed by alloy anodization can be tuned by controlling applied voltages and time. Distinctive tube morphology can be formed by applying a voltage of more than 80 V. Nanotube diameter and length have a linear relationship with the anodization voltage with a current efficiency of almost 100 %. Furthermore, compared to pure TiO₂, the composite nanotubes show a very uniform tube diameter along the tube axis even at the extended anodization time.

Original language	English
Pages (from-to)	9-13
Number of pages	5
Journal	Journal of Applied Electrochemistry
Volume	43
Issue number	1
DOIs	https://doi.org/10.1007/s10800-012-0498-x
State	Published - Jan 2013

Keywords

Anodization
Composite nanotubes
Self-organized
Ti-W alloy

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10.1007/s10800-012-0498-x

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title = "Electrochemical growth of self-organized TiO2-WO3 composite nanotube layers: Effects of applied voltage and time",

abstract = "The present work demonstrates that morphology of TiO2-WO 3 composite nanotubes formed by alloy anodization can be tuned by controlling applied voltages and time. Distinctive tube morphology can be formed by applying a voltage of more than 80 V. Nanotube diameter and length have a linear relationship with the anodization voltage with a current efficiency of almost 100 %. Furthermore, compared to pure TiO2, the composite nanotubes show a very uniform tube diameter along the tube axis even at the extended anodization time.",

keywords = "Anodization, Composite nanotubes, Self-organized, Ti-W alloy",

author = "Nah, {Yoon Chae} and Shrestha, {Nabeen K.} and Doohun Kim and Patrik Schmuki",

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AU - Shrestha, Nabeen K.

AU - Kim, Doohun

AU - Schmuki, Patrik

PY - 2013/1

Y1 - 2013/1

N2 - The present work demonstrates that morphology of TiO2-WO 3 composite nanotubes formed by alloy anodization can be tuned by controlling applied voltages and time. Distinctive tube morphology can be formed by applying a voltage of more than 80 V. Nanotube diameter and length have a linear relationship with the anodization voltage with a current efficiency of almost 100 %. Furthermore, compared to pure TiO2, the composite nanotubes show a very uniform tube diameter along the tube axis even at the extended anodization time.

AB - The present work demonstrates that morphology of TiO2-WO 3 composite nanotubes formed by alloy anodization can be tuned by controlling applied voltages and time. Distinctive tube morphology can be formed by applying a voltage of more than 80 V. Nanotube diameter and length have a linear relationship with the anodization voltage with a current efficiency of almost 100 %. Furthermore, compared to pure TiO2, the composite nanotubes show a very uniform tube diameter along the tube axis even at the extended anodization time.

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KW - Composite nanotubes

KW - Self-organized

KW - Ti-W alloy

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ER -

Electrochemical growth of self-organized TiO₂-WO₃ composite nanotube layers: Effects of applied voltage and time

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Keywords

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