| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 9617759 | Microporous and Mesoporous Materials | 2005 | 6 Pages |
Abstract
Silver nanoparticles were prepared by removing silica from mesoporous Ag/SBA-15 composites. The results of nitrogen adsorption-desorption isotherms, X-ray diffraction, transmission electron microscopy and UV-vis spectroscopy indicated that Ag nanoparticles existed in the pore channels of SBA-15. Ag nanoparticles with diameters in the range of 2.5-5.5Â nm and a narrow size distribution were confirmed by atomic force microscope images and energy-dispersive X-ray spectroscopy. UV-vis spectroscopy showed a broad emission peak of Ag nanoparticles centered at ca. 438Â nm.
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Authors
Weiping Zhu, Yanchun Han, Lijia An,