The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Equilibrium Potential of Free Charge Carriers in a Bent Piezoelectric Semiconductive Nanowire
Abstract
We have investigated the behavior of free charge carriers in a bent piezoelectric semiconductive nanowire under thermodynamic equilibrium conditions. For a laterally bent n-type ZnO nanowire, with the stretched side exhibiting positive piezoelectric potential and the compressed side negative piezoelectric potential, the conduction band electrons tend to accumulate at the positive side. The positive side is thus partially screened by free charge carriers while the negative side of the piezoelectric potential preserves as long as the donor concentration is not too high. For a typical ZnO nanowire with diameter 50 nm, length 600 nm, donor concentration N(D) = 1 x 10(17) cm(-3) under a bending force of 80 nN, the potential in the positive side is <0.05 V and is approximately -0.3 V at the negative side. The theoretical results support the mechanism proposed for a piezoelectric nanogenerator. Degeneracy in the positive side of the nanowire is significant, but the temperature dependence of the potential profile is weak for the temperature range of 100-400 K.
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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
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Self-citationOne-dimensional ZnO nanostructures: Solution growth and functional properties
Xu, S., & Wang, Z. L. (2011) · Nano Research · doi:10.1007/s12274-011-0160-7 · Cited by 1,361
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Yang, Y., Guo, W., Pradel, K. C., Zhu, G., Zhou, Y., Zhang, Y., Hu, Y., Lin, L., & Wang, Z. L. (2012) · Nano Letters · doi:10.1021/nl3003039 · Cited by 784
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Hu, Y., Lin, L., Zhang, Y., & Wang, Z. L. (2012) · Advanced Materials · doi:10.1002/adma.201103727 · Cited by 291
Self-citationPiezotronic and Piezophototronic Effects
Wang, Z. L. (2010) · The Journal of Physical Chemistry Letters · doi:10.1021/jz100330j · Cited by 277
Self-citationNovak, N., Keil, P., Frömling, T., Schader, F. H., Martin, A., Webber, K. G., & Rödel, J. (2019) · Acta Materialia · doi:10.1016/j.actamat.2018.10.008 · Cited by 34
Metadata
- Authors
- Gao, Y., & Wang, Z. L.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-02-03
- Volume
- 9
- Issue
- 3
- Pages
- 1103-1110
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2104002694
- Cited by
- 357
- References
- 1
- FWCI
- 14.95
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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