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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Hazra, Arnab | - |
dc.date.accessioned | 2023-03-11T06:05:41Z | - |
dc.date.available | 2023-03-11T06:05:41Z | - |
dc.date.issued | 2018-10 | - |
dc.identifier.uri | https://ieeexplore.ieee.org/document/8502936 | - |
dc.identifier.uri | http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/9647 | - |
dc.description.abstract | Single-, double-, and triple-layered TiO 2 nanotubes (NTs) array were synthesized by using a voltage pulse-assisted anodic oxidation technique. Morphological and structural evolution of different NTs have been studied by field-emission scanning electron microscopy and X-ray diffraction spectroscopy. “Au/TiO 2 NT layer(s)/Ti” types vertical structured sensors were fabricated and characterized at room temperature (300 K) toward multiple volatile organic compounds (VOCs) and high sensitivity was observed at low concentration (40-160 ppm) of VOCs. Response magnitude was increased with increase of number of layer(s) and found maximum of ~96% at 160 ppm of ethanol for triple-layered NTs. Efficient sensing was achieved for multi-layered TiO 2 NTs due to the benefits of 1) incremental effective surface area and 2) Schottky barrier effect at interlayer junctions. | en_US |
dc.language.iso | en | en_US |
dc.publisher | IEEE | en_US |
dc.subject | EEE | en_US |
dc.subject | TiO $_{2}$ Nanotubes | en_US |
dc.subject | Multi-layered | en_US |
dc.subject | Room temperature sensing | en_US |
dc.subject | High sensitivity | en_US |
dc.title | Multi-Layered TiO2 Nanotubes Array-Based Highly Sensitive Room-Temperature Vapor Sensors | en_US |
dc.type | Article | en_US |
Appears in Collections: | Department of Electrical and Electronics Engineering |
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