Silver nanoparticles synthesized from mesoporous Ag/SBA-15 composites

被引：55
|
作者：
Zhu, WP [1 ]
Han, YC [1 ]
An, LJ [1 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Grad Sch, Changchun 130022, Peoples R China
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 2005年 / 80卷 / 1-3期
基金：
中国国家自然科学基金;
关键词：
mesoporous materials; ag nanoparticles; Ag/SBA-15; materials;
D O I：
10.1016/j.micromeso.2004.12.018
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
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 2.5-5.5 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. 438 nm. (c) 2005 Elsevier Inc. All rights reserved.
引用
收藏
页码：221 / 226
页数：6
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