The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Surface free-carrier screening effect on the output of a ZnO nanowire nanogenerator and its potential as a self-powered active gas sensor
Abstract
The output of a piezoelectric nanogenerator (NG) fabricated using ZnO nanowire arrays is largely influenced by the density of the surface charge carriers at the nanowire surfaces. Adsorption of gas molecules could modify the surface carrier density through a screening effect, thus, the output of the NG is sensitive to the gas concentration. Based on such a mechanism, we first studied the responses of an unpackaged NG to oxygen, H2S and water vapor, and demonstrated its sensitivity to H2S to a level as low as 100 ppm. Therefore, the piezoelectric signal generated by a ZnO NWs NG can act not only as a power source, but also as a response signal to the gas, demonstrating a possible approach as a self-powered active gas sensor.
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Citations
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
Self-citationFlexible High-Output Nanogenerator Based on Lateral ZnO Nanowire Array
Zhu, G., Yang, R., Wang, S., & Wang, Z. L. (2010) · Nano Letters · doi:10.1021/nl101973h · Cited by 805
Self-citationPiezoelectric-nanowire-enabled power source for driving wireless microelectronics
Xu, S., Hansen, B. J., & Wang, Z. L. (2010) · Nature Communications · doi:10.1038/ncomms1098 · Cited by 546
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Safaei, M., Sodano, H. A., & Anton, S. R. (2019) · Smart Materials and Structures · doi:10.1088/1361-665x/ab36e4 · Cited by 874
Recent advances in energy-saving chemiresistive gas sensors: A review
Majhi, S. M., Mirzaei, A., Kim, H. W., Kim, S. S., & Kim, T. W. (2021) · Nano Energy · doi:10.1016/j.nanoen.2020.105369 · Cited by 653
Evolution of breath analysis based on humidity and gas sensors: Potential and challenges
Tai, H., Wang, S., Duan, Z., & Jiang, Y. (2020) · Sensors and Actuators B: Chemical · doi:10.1016/j.snb.2020.128104 · Cited by 412
Multidirection Piezoelectricity in Mono- and Multilayered Hexagonal α-In2Se3
Xue, F., Zhang, J., Hu, W., Hsu, W.-T., Han, A., Leung, S.-F., Huang, J.-K., Wan, Y., Liu, S., Zhang, J., et al. (2018) · ACS Nano · doi:10.1021/acsnano.8b02152 · Cited by 319
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Metadata
- Authors
- Xue, X., Nie, Y., He, B., Xing, L., Zhang, Y., & Wang, Z. L.
- Venue
- Nanotechnology
- Publisher
- IOP Publishing
- Published
- 2013-04-30
- Volume
- 24
- Issue
- 22
- Pages
- 225501
- ISSN
- 0957-4484 (ISSN-L)
- 1361-6528
- OpenAlex
- W2036934428
- Cited by
- 200
- References
- 3
- FWCI
- 11.16
- Type
- journal article
- Language
- en
- Open access
- closed
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- Xue, X., Nie, Y., He, B., Xing, L., Zhang, Y., & Wang, Z. L. (2013). Surface free-carrier screening effect on the output of a ZnO nanowire nanogenerator and its potential as a self-powered active gas sensor. Nanotechnology. https://doi.org/10.1088/0957-4484/24/22/225501
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