Hydrogen sensing performance of TiO2 nanotubes at room temperature

J. Y. Moon; I. Tuokko; A. Suominen; A. Tuominen; D. S. Oh; B. K. Park; H. Kim

doi:10.1109/BEC.2010.5631500

Hydrogen sensing performance of TiO₂ nanotubes at room temperature

J. Y. Moon, I. Tuokko, A. Suominen, A. Tuominen, D. S. Oh, B. K. Park, H. Kim

Not published at VTT

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

Abstract

We report the hydrogen sensing properties of a sensor using TiO₂ nanotube arrays. The TiO₂ nanotube arrays were fabricated by anodization on titanium foil, in an electrolyte containing 0.5 wt% hydrofluoric acid mixed with water, the electric potential being 15V. TiO₂ nanotube arrays were annealed at 600 Celsius for 1 h. The sensors were equipped with platinum electrodes. These two were connected with a metal wire using silver paste. The measurements of the sensor's electrical resistance were performed in NTP. The hydrogen sensor using TiO₂ nanotube arrays shows a linear sensitivity with various hydrogen concentrations. After repeating exposure to hydrogen at room temperature, the sensor's resistance indicated a stable recovery to its initial resistance. The reproducibility of this exam is reliable.

Original language	English
Title of host publication	BEC 2010 - 2010 12th Biennial Baltic Electronics Conference, Proceedings of the 12th Biennial Baltic Electronics Conference
Pages	73-76
Number of pages	4
DOIs	https://doi.org/10.1109/BEC.2010.5631500
Publication status	Published - 1 Dec 2010
MoE publication type	A4 Article in a conference publication
Event	2010 12th Biennial Baltic Electronics Conference, BEC 2010 - Tallinn, Estonia Duration: 4 Oct 2010 → 6 Oct 2010

Conference

Conference	2010 12th Biennial Baltic Electronics Conference, BEC 2010
Country/Territory	Estonia
City	Tallinn
Period	4/10/10 → 6/10/10

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10.1109/BEC.2010.5631500

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title = "Hydrogen sensing performance of TiO2 nanotubes at room temperature",

abstract = "We report the hydrogen sensing properties of a sensor using TiO2 nanotube arrays. The TiO2 nanotube arrays were fabricated by anodization on titanium foil, in an electrolyte containing 0.5 wt% hydrofluoric acid mixed with water, the electric potential being 15V. TiO2 nanotube arrays were annealed at 600 Celsius for 1 h. The sensors were equipped with platinum electrodes. These two were connected with a metal wire using silver paste. The measurements of the sensor's electrical resistance were performed in NTP. The hydrogen sensor using TiO2 nanotube arrays shows a linear sensitivity with various hydrogen concentrations. After repeating exposure to hydrogen at room temperature, the sensor's resistance indicated a stable recovery to its initial resistance. The reproducibility of this exam is reliable.",

author = "Moon, {J. Y.} and I. Tuokko and A. Suominen and A. Tuominen and Oh, {D. S.} and Park, {B. K.} and H. Kim",

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doi = "10.1109/BEC.2010.5631500",

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pages = "73--76",

booktitle = "BEC 2010 - 2010 12th Biennial Baltic Electronics Conference, Proceedings of the 12th Biennial Baltic Electronics Conference",

note = "2010 12th Biennial Baltic Electronics Conference, BEC 2010 ; Conference date: 04-10-2010 Through 06-10-2010",

}

Moon, JY, Tuokko, I, Suominen, A, Tuominen, A, Oh, DS, Park, BK & Kim, H 2010, Hydrogen sensing performance of TiO₂ nanotubes at room temperature. in BEC 2010 - 2010 12th Biennial Baltic Electronics Conference, Proceedings of the 12th Biennial Baltic Electronics Conference., 5631500, pp. 73-76, 2010 12th Biennial Baltic Electronics Conference, BEC 2010, Tallinn, Estonia, 4/10/10. https://doi.org/10.1109/BEC.2010.5631500

Hydrogen sensing performance of TiO₂ nanotubes at room temperature. / Moon, J. Y.; Tuokko, I.; Suominen, A. et al.

BEC 2010 - 2010 12th Biennial Baltic Electronics Conference, Proceedings of the 12th Biennial Baltic Electronics Conference. 2010. p. 73-76 5631500.

Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

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T1 - Hydrogen sensing performance of TiO2 nanotubes at room temperature

AU - Moon, J. Y.

AU - Tuokko, I.

AU - Suominen, A.

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AU - Oh, D. S.

AU - Park, B. K.

AU - Kim, H.

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AB - We report the hydrogen sensing properties of a sensor using TiO2 nanotube arrays. The TiO2 nanotube arrays were fabricated by anodization on titanium foil, in an electrolyte containing 0.5 wt% hydrofluoric acid mixed with water, the electric potential being 15V. TiO2 nanotube arrays were annealed at 600 Celsius for 1 h. The sensors were equipped with platinum electrodes. These two were connected with a metal wire using silver paste. The measurements of the sensor's electrical resistance were performed in NTP. The hydrogen sensor using TiO2 nanotube arrays shows a linear sensitivity with various hydrogen concentrations. After repeating exposure to hydrogen at room temperature, the sensor's resistance indicated a stable recovery to its initial resistance. The reproducibility of this exam is reliable.

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T2 - 2010 12th Biennial Baltic Electronics Conference, BEC 2010

Y2 - 4 October 2010 through 6 October 2010

ER -

Hydrogen sensing performance of TiO₂ nanotubes at room temperature

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