Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/28545
Title: Fast and highly-sensitive hydrogen sensing of Nb2O5 nanowires at room temperature
Authors: Wang, Z
Hu, Y
Wang, W
Zhang, X
Wang, B
Tian, H
Wang, Y 
Guan, J
Gu, H
Issue Date: 2012
Source: International journal of hydrogen energy, 2012, v. 37, no. 5, p. 4526-4532
Abstract: The single-crystalline Nb2O5 nanowires with tetragonal phase structures were synthesized through thermal oxidation process. The Nb2O5 nanowires were grown along [001] orientation and formed a layer of free-standing nanowire membrane. A pair of platinum electrodes was deposited on the surface of the nanowire layer to fabricate a Pt/Nb2O5 nanowire hydrogen sensor. The Pt/Nb 2O5 nanowire hydrogen sensor exhibited fast, highly-sensitive and selective hydrogen response at room temperature, which may be attributed to the hydrogen induced interface and surface effects together with the high specific surface area of the Nb2O5 nanowires.
Keywords: Hydrogen sensor
Nanowires
Niobium pentaoxide
Room temperature
Sensing mechanism
Publisher: Pergamon Press
Journal: International journal of hydrogen energy 
ISSN: 0360-3199
EISSN: 1879-3487
DOI: 10.1016/j.ijhydene.2011.12.004
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