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Journal of Sol-Gel Science and Technology
Published in: Journal of Sol-Gel Science and Technology 1/2015

01-01-2015 | Original Paper

Preparation and gas sensing activity of La and Y co-doped titania nanoparticles

Authors: Zhihong Jing, Baoping Ling, Yang Yu, Wei Qi, Shufang Zhang

Published in: Journal of Sol-Gel Science and Technology | Issue 1/2015

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Abstract

A novel gas sensing material, La–Y co-doped TiO2 nanoparticles, was synthesized by sol–gel method and applied to detect organic pollutants 2-chlorophenol. The products have been characterized through XRD, FESEM, TEM, HRTEM and ICPOES technologies. The sensor fabricated by 0.2 mol% La and 0.2 mol% Y co-doped TiO2 nanoparticles presented good gas sensing activity to 2-chlorophenol with short response-recovery time and long stability. The results demonstrated that the co-doping of La–Y and ratio of rutile to anatase in TiO2 nanoparticles, which play a key role in high sensitivity to 2-chlorophenol. It suggested that the rare earth ions La–Y co-doped TiO2 nanoparticles might be a capable gas sensing material to evaluation organic pollutants in future.
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Metadata
Title
Preparation and gas sensing activity of La and Y co-doped titania nanoparticles
Authors
Zhihong Jing
Baoping Ling
Yang Yu
Wei Qi
Shufang Zhang
Publication date
01-01-2015
Publisher
Springer US
Published in
Journal of Sol-Gel Science and Technology / Issue 1/2015
Print ISSN: 0928-0707
Electronic ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-014-3501-7

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