Journal of Alloys and Compounds, volume 769, pages 521-531

Preparation of anatase/rutile TiO2/SnO2 hollow heterostructures for gas sensor

Changchao Jia 1
Tao Dong 1
Meng Li 1
Peng Wang 1
Ping Yang 1
1
 
School of Material Science and Engineering, University of Jinan, Jinan, 250022, PR China
Publication typeJournal Article
Publication date2018-11-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor6.2
ISSN09258388
Materials Chemistry
Metals and Alloys
Mechanical Engineering
Mechanics of Materials
Abstract
TiO2 hollow hierarchical architectures with anatase and rutile phases are fabricated. The hierarchical structure uniformly decorated with SnO2 nanoparticles endows a fascinating sensing performance for detecting triethylamine (TEA). Hierarchical structure provides a close connection between anatase/rutile TiO2 and SnO2, which is in favor of efficient electrons transfer. It is found that TiO2@SnO2 as a novel sensing material has high response at low level of TEA and rapid responding speed in comparison with individual TiO2 components. In the case of 5 ppm TEA gas under the operation temperature of 240 °C, the response value of TiO2@SnO2 sample is up to 21.6, which is three times higher than that of TiO2 sample. The responding speed of TiO2@SnO2 sensors elevates 28% in comparison with TiO2. This result is utilizable for developing the high efficiency gas sensors using hollow hierarchical architecture.

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GOST Copy
Jia C. et al. Preparation of anatase/rutile TiO2/SnO2 hollow heterostructures for gas sensor // Journal of Alloys and Compounds. 2018. Vol. 769. pp. 521-531.
GOST all authors (up to 50) Copy
Jia C., Dong T., Li M., Wang P., Yang P. Preparation of anatase/rutile TiO2/SnO2 hollow heterostructures for gas sensor // Journal of Alloys and Compounds. 2018. Vol. 769. pp. 521-531.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.jallcom.2018.08.035
UR - https://doi.org/10.1016/j.jallcom.2018.08.035
TI - Preparation of anatase/rutile TiO2/SnO2 hollow heterostructures for gas sensor
T2 - Journal of Alloys and Compounds
AU - Jia, Changchao
AU - Dong, Tao
AU - Li, Meng
AU - Wang, Peng
AU - Yang, Ping
PY - 2018
DA - 2018/11/01 00:00:00
PB - Elsevier
SP - 521-531
VL - 769
SN - 0925-8388
ER -
BibTex
Cite this
BibTex Copy
@article{2018_Jia,
author = {Changchao Jia and Tao Dong and Meng Li and Peng Wang and Ping Yang},
title = {Preparation of anatase/rutile TiO2/SnO2 hollow heterostructures for gas sensor},
journal = {Journal of Alloys and Compounds},
year = {2018},
volume = {769},
publisher = {Elsevier},
month = {nov},
url = {https://doi.org/10.1016/j.jallcom.2018.08.035},
pages = {521--531},
doi = {10.1016/j.jallcom.2018.08.035}
}
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