Enhanced gas sensitivity in TiO2 nanoneedles grown on upright SnO2 nanoplates

In situ growth of upright-standing SnO2 nanoplates connected to horizontally pointed TiO2 nanoneedles to form a new, high surface area hierarchical nanostructure is proposed for the first time and envisaged in ammonia and liquid petroleum gas sensors. The increased surface area due to a hierarchical...

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Bibliographic Details
Published in:Scripta materialia 2013-05, Vol.68 (9), p.735-738
Main Authors: Waghmare, Shivaji D., Shinde, Dipak V., Zate, Manohar K., Konda, Ravinder, Mane, Rajaram S., Han, Sung-Hwan
Format: Article
Language:English
Subjects:
Gas sensor
Raman analysis
SnO2 nanoplates
Structural elucidation
Tio2 nanoneedles
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Summary:In situ growth of upright-standing SnO2 nanoplates connected to horizontally pointed TiO2 nanoneedles to form a new, high surface area hierarchical nanostructure is proposed for the first time and envisaged in ammonia and liquid petroleum gas sensors. The increased surface area due to a hierarchical nanostructure accounts for enhanced gas sensitivity.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2013.01.007