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Porous SnO2 hierarchical nanosheets: hydrothermal preparation, growth mechanism, and gas sensing properties
Abstract
Porous SnO2 hierarchical architectures were synthesized by calcining the precipitates prepared through a facile one-step hydrothermal synthesis method. Field emission scanning electron microscopic and transmission electron microscopic results revealed that these hierarchical nanostructures were built from two-dimensional porous nanosheets. The morphology of the prepared products could be tailored by changing the precursor concentration and reaction time. On the basis of experimental results, a possible mechanism for the formation of the three-dimensional SnO2 hierarchical nanostructure was speculated. Moreover, gas sensing tests showed that the sensor using porous SnO2 hierarchical nanosheets after annealing at 600 °C for 2 h exhibited better gas sensing properties compared with the sensor based on conventionally prepared SnO2 nanoparticles. The enhancement in gas sensing properties was attributed to their unique structures.
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Cites
Piezoelectric Nanogenerators Based on Zinc Oxide Nanowire Arrays
Wang, Z. L., & Song, J. (2006) · Science · doi:10.1126/science.1124005 · Cited by 7,922
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Electrically-Transduced Chemical Sensors Based on Two-Dimensional Nanomaterials
Meng, Z., Stolz, R. M., Mendecki, L., & Mirica, K. A. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00311 · Cited by 773
Nanosheet-Assembled ZnFe2O4 Hollow Microspheres for High-Sensitive Acetone Sensor
Zhou, X., Li, X., Sun, H., Sun, P., Liang, X., Liu, F., Hu, X., & Lu, G. (2015) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.5b03537 · Cited by 285
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Metadata
- Authors
- Sun, P., Zhao, W., Cao, Y., Guan, Y., Sun, Y., & Lu, G.
- Venue
- CrystEngComm
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2011
- Volume
- 13
- Issue
- 11
- Pages
- 3718
- ISSN
- 1466-8033 (ISSN-L)
- OpenAlex
- W2055808094
- Cited by
- 186
- References
- 1
- FWCI
- 15.82
- Type
- journal article
- Language
- en
- Open access
- closed
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- Sun, P., Zhao, W., Cao, Y., Guan, Y., Sun, Y., & Lu, G. (2011). Porous SnO2 hierarchical nanosheets: hydrothermal preparation, growth mechanism, and gas sensing properties. CrystEngComm. https://doi.org/10.1039/c1ce05073g
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