The DOI matches its Crossref record; 28 of the 28 references it cites were found in a registry or an index.
Near Room Temperature, Fast-Response, and Highly Sensitive Triethylamine Sensor Assembled with Au-Loaded ZnO/SnO2 Core–Shell Nanorods on Flat Alumina Substrates
Abstract
Chemiresistive gas sensors with low power consumption, fast response, and reliable fabrication process for a specific target gas have been now created for many applications. They require both sensitive nanomaterials and an efficient substrate chip for heating and electrical addressing. Herein, a near room working temperature and fast response triethylamine (TEA) gas sensor has been fabricated successfully by designing gold (Au)-loaded ZnO/SnO2 core-shell nanorods. ZnO nanorods grew directly on Al2O3 flat electrodes with a cost-effective hydrothermal process. By employing pulsed laser deposition (PLD) and DC-sputtering methods, the construction of Au nanoparticle-loaded ZnO/SnO2 core/shell nanorod heterostructure is highly controllable and reproducible. In comparison with pristine ZnO, SnO2, and Au-loaded ZnO, SnO2 sensors, Au-ZnO/SnO2 nanorod sensors exhibit a remarkably high and fast response to TEA gas at working temperatures as low as 40 °C. The enhanced sensing property of the Au-ZnO/SnO2 sensor is also discussed with the semiconductor depletion layer model introduced by Au-SnO2 Schottky contact and ZnO/SnO2 N-N heterojunction.
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Cited by
Li, Z., Liu, X., Zhou, M., Zhang, S., Cao, S., Lei, G., Lou, C., & Zhang, J. (2021) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2021.125757 · Cited by 245
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Metadata
- Authors
- Ju, D.-X., Xu, H.-Y., Qiu, Z.-W., Zhang, Z.-C., Xu, Q., Zhang, J., Wang, J.-Q., & Cao, B.-Q.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-08-24
- Volume
- 7
- Issue
- 34
- Pages
- 19163-19171
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W1144529698
- Cited by
- 298
- References
- 28
- FWCI
- 10.10
- Type
- journal article
- Language
- en
- Open access
- closed
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