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Nanoscale SnO2 Hollow Spheres and Their Application as a Gas-Sensing Material
Abstract
The use of nanoscale SnO 2 hollow spheres as a redox-active sensor is investigated. The underlying hollow spheres are prepared via a microemulsion approach and exhibit an outer diameter of about 15−25 nm, a highly crystalline shell with a thickness of 3−5 nm and an inner cavity of 10−20 nm in diameter. Subsequent to materials characterization based on SEM, STEM, TEM, IR, TG, BET, and XRD the applicability of as-prepared hollow spheres as highly porous layers in sensor operation is tested. Accordingly, SnO 2 hollow spheres deposited on common sensor substrates show a good response to CO in a concentration range of 50 to 300 ppm. Moreover, the material turned out to be useful as a model system to study the conduction model of a porous layer with small grains.
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Citations
Cited by
Synthesis, Properties, and Applications of Hollow Micro-/Nanostructures
Wang, X., Feng, J., Bai, Y., Zhang, Q., & Yin, Y. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00731 · Cited by 1,456
Multi-shelled hollow micro-/nanostructures
Qi, J., Lai, X., Wang, J., Tang, H., Ren, H., Yang, Y., Jin, Q., Zhang, L., Yu, R., Ma, G., et al. (2015) · Chemical Society Reviews · doi:10.1039/c5cs00344j · Cited by 676
Synthesis of Prussian Blue Nanoparticles with a Hollow Interior by Controlled Chemical Etching
Hu, M., Furukawa, S., Ohtani, R., Sukegawa, H., Nemoto, Y., Reboul, J., Kitagawa, S., & Yamauchi, Y. (2012) · Angewandte Chemie International Edition · doi:10.1002/anie.201105190 · Cited by 532
Li, G. L., Möhwald, H., & Shchukin, D. G. (2013) · Chemical Society Reviews · doi:10.1039/c3cs35517a · Cited by 314
Metadata
- Authors
- Gyger, F., Hübner, M., Feldmann, C., Barsan, N., & Weimar, U.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-07-22
- Volume
- 22
- Issue
- 16
- Pages
- 4821-4827
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W1988790765
- Cited by
- 194
- References
- 0
- FWCI
- 14.45
- Type
- journal article
- Language
- en
- Open access
- closed
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- Gyger, F., Hübner, M., Feldmann, C., Barsan, N., & Weimar, U. (2010). Nanoscale SnO2 Hollow Spheres and Their Application as a Gas-Sensing Material. Chemistry of Materials. https://doi.org/10.1021/cm1011235
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