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Hierarchical Assembly of ZnO Nanostructures on SnO2 Backbone Nanowires: Low-Temperature Hydrothermal Preparation and Optical Properties
Abstract
Hierarchical nanostructures with SnO(2) backbones and ZnO branches are successfully prepared in a large scale by combining the vapor transport and deposition process (for SnO(2) nanowires) and a hydrothermal growth (for ZnO). The ZnO nanorods grow epitaxially on the SnO(2) nanowire side faces mainly with a four-fold symmetry. The number density and morphology of the secondary ZnO can be tailored by changing the precursor concentration, reaction time, and by adding surfactants. Photoluminescence (PL) properties are studied as a function of temperature and pumping power. Such hybrid SnO(2)-ZnO nanostructures show an enhanced near-band gap emission compared with the primary SnO(2) nanowires. Under the optical excitation, a UV random lasing is observed which originates from the hierarchically assembled ZnO branches. These three-dimensional nanostructures may have application potentials as chemical sensors, battery electrodes, and optoelectronic devices.
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Cites
Single-nanowire electrically driven lasers
Duan, X., Huang, Y., Agarwal, R., & Lieber, C. M. (2003) · Nature · doi:10.1038/nature01353 · Cited by 2,447
Cited by
One-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
Liu, J., Jiang, J., Cheng, C., Li, H., Zhang, J., Gong, H., & Fan, H. J. (2011) · Advanced Materials · doi:10.1002/adma.201100058 · Cited by 1,311
Self-citationZhang, A., & Lieber, C. M. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00608 · Cited by 621
Electrospun Nanofibers of ZnO−SnO2 Heterojunction with High Photocatalytic Activity
Zhang, Z., Shao, C., Li, X., Zhang, L., Xue, H., Wang, C., & Liu, Y. (2010) · The Journal of Physical Chemistry C · doi:10.1021/jp100262q · Cited by 370
Zhu, T., Wu, H. B., Wang, Y., Xu, R., & Lou, X. W. (. (2012) · Advanced Energy Materials · doi:10.1002/aenm.201200269 · Cited by 344
Metadata
- Authors
- Cheng, C., Liu, B., Yang, H., Zhou, W., Sun, L., Chen, R., Yu, S. F., Zhang, J., Gong, H., Sun, H., & Fan, H. J.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-09-22
- Volume
- 3
- Issue
- 10
- Pages
- 3069-3076
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2169015358
- Cited by
- 268
- References
- 1
- FWCI
- 14.36
- Type
- journal article
- Language
- en
- Open access
- closed
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- Cheng, C., Liu, B., Yang, H., Zhou, W., Sun, L., Chen, R., Yu, S. F., Zhang, J., Gong, H., Sun, H., & Fan, H. J. (2009). Hierarchical Assembly of ZnO Nanostructures on SnO2 Backbone Nanowires: Low-Temperature Hydrothermal Preparation and Optical Properties. ACS Nano. https://doi.org/10.1021/nn900848x
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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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