Abstract
AbstractWe show in this paper how zinc oxide (ZnO)/silver (Ag) composite microspheres can be prepared by the reduction of Ag(NH3)2+ with the reducing agent formaldehyde in aqueous solution on the surface of ZnO microspheres. During the preparation, Sn2+ was absorbed on the surface of ZnO microspheres for sensitization and activation, and then Ag(NH3)2+ was reduced to Ag nanoparticles by the reducing agent to obtain ZnO/Ag composite microspheres. SEM and TEM images revealed silver nanoparticles with a diameter ranging from tens to 100 nm. X‐Ray photoelectron spectra (XPS), X‐ray diffraction (XRD) patterns and UV‐vis spectra were used to characterize the structure of the ZnO/Ag composite microspheres. The origin of the surface‐enhanced Raman scattering properties was traced to the surface of the ZnO/Ag composite microspheres. The enhancement factor was estimated in detail, and the enhancement mechanism for the SERS effect was also investigated. Copyright © 2007 John Wiley & Sons, Ltd.
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Dates
Type | When |
---|---|
Created | 18 years, 2 months ago (June 12, 2007, 6:17 a.m.) |
Deposited | 1 year, 10 months ago (Oct. 18, 2023, 3:48 a.m.) |
Indexed | 1 year ago (Aug. 7, 2024, 1:21 p.m.) |
Issued | 18 years, 2 months ago (June 12, 2007) |
Published | 18 years, 2 months ago (June 12, 2007) |
Published Online | 18 years, 2 months ago (June 12, 2007) |
Published Print | 17 years, 10 months ago (Oct. 1, 2007) |
@article{Song_2007, title={Fabrication of surface‐enhanced Raman scattering‐active ZnO/Ag composite microspheres}, volume={38}, ISSN={1097-4555}, url={http://dx.doi.org/10.1002/jrs.1769}, DOI={10.1002/jrs.1769}, number={10}, journal={Journal of Raman Spectroscopy}, publisher={Wiley}, author={Song, Wei and Wang, Yanfei and Hu, Hailong and Zhao, Bing}, year={2007}, month=jun, pages={1320–1325} }