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Journal of Materials Science: Materials in Electronics
Erschienen in: Journal of Materials Science: Materials in Electronics 1/2018

30.10.2017

Surface characterization and gas sensing performance of yttrium doped TiO2 nanofilms prepared by automated nebulizer spray pyrolysis (ANSP)

verfasst von: V. Gopala Krishnan, P. Elango, V. Ganesan

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 1/2018

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Abstract

YxTi1−xO2 nanofilms were deposited on glass substrate at 500 °C by automated nebulizer spray pyrolysis route. The influence of yttrium concentration on XRD shows the stabilized anatase tetragonal polycrystalline nature and *(222), *(400) plane orientation of Y2O3 were revealed by Y = 10%. An XPS spectrum reveals the primary elements such as O 1s, Ti 2p, Y 3d, Ti 3p and C 1s with a binding energy respectively. The morphological study of FESEM shows the modification from granular spherical to honeycomb structure based on yttrium concentration. Optical study shows the blue shift of sharp absorption edge with increased band gap values (E g  = 3.20 eV–3.78 eV) is depends upon Y concentration. Notably, gas sensing performance of YxTi1−xO2 shows the highest sensitivity response to Y = 10% (Y0.10Ti9.90O2) of NH3 at 150 °C with 300 ppm gas concentration and all the films exhibits better sensitivity response in order to NH3 > C2H6O > C3H6O> CH4O > C3H8O.
Vorheriger Artikel Facile synthesis of polypyrrole/carbon-coated MoO3 nanoparticle/graphene nanoribbon nanocomposite with high-capacitance applied in supercapacitor electrode
Nächster Artikel Improved dielectric properties of polyetherimide and polyaniline-coated few-layer graphene based nanocomposites

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Metadaten
Titel
Surface characterization and gas sensing performance of yttrium doped TiO2 nanofilms prepared by automated nebulizer spray pyrolysis (ANSP)
verfasst von
V. Gopala Krishnan
P. Elango
V. Ganesan
Publikationsdatum
30.10.2017
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 1/2018
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-017-7928-9

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