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Polypyrrole-Coated SnO2 Hollow Spheres and Their Application for Ammonia Sensor

Zhang, Jun, Wang, Shurong, Xu, Mijuan, Wang, Yan, Xia, Huijuan, Zhang, Shoumin, Guo, Xianzhi, Wu, Shihua·2009·The Journal of Physical Chemistry C

Abstract

Polypyrrole-coated SnO 2 hollow spheres hybrid materials have been synthesized through an in situ polymerization of pyrrole monomers in the presence of preprepared SnO 2 hollow spheres. The hybrids were characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared spectrometer (FTIR), and thermogravimetric analysis (TG). Experimental data showed certain synergetic interaction existed in the hybrids, probably resulting in the enhanced thermal stability of polypyrrole coatings. Gas sensing tests showed that the hybrids possessed very fast response and high sensitivity to ammonia gas at room temperature, implying its potential application for gas sensors.

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Metadata

Authors
Zhang, J., Wang, S., Xu, M., Wang, Y., Xia, H., Zhang, S., Guo, X., & Wu, S.
Venue
The Journal of Physical Chemistry C
Published
2009-01-13
Volume
113
Issue
5
Pages
1662-1665
ISSN
  • 1932-7447 (ISSN-L)
  • 1932-7455
OpenAlex
W2091391879
Cited by
230
References
0
FWCI
11.62
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Polypyrrole-Coated SnO2 Hollow Spheres and Their Application for Ammonia Sensor. https://app.cochat.ai/papers/10.1021/jp8096633
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Zhang, J., Wang, S., Xu, M., Wang, Y., Xia, H., Zhang, S., Guo, X., & Wu, S. (2009). Polypyrrole-Coated SnO2 Hollow Spheres and Their Application for Ammonia Sensor. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp8096633

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