| Ag/SiO_2复合颗粒的溶胶-凝胶法制备与表征 |
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| 引用本文： | 李贵安,邓仲勋,焦飞,张亚娟,朱庭良.Ag/SiO_2复合颗粒的溶胶-凝胶法制备与表征[J].硅酸盐通报,2010,29(1):17-20. |
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| 作者姓名： | 李贵安 邓仲勋 焦飞 张亚娟 朱庭良 |
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| 作者单位： | 陕西师范大学物理学与信息技术学院,西安,710062 |
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| 基金项目： | 国家自然科学基金资助项目(60678005);;陕西省自然科学基础研究计划资助项目(2006F39) |
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| 摘 要： | 采用溶胶-凝胶法(Sol-gel)制备了不同形貌结构的纳米掺银复合颗粒.分析了掺银二氧化硅复合颗粒的形成机理,并采用透射电子显微镜(TEM)、扫描电子显微镜(SEM)、X射线衍射仪(XRD)、红外(FT-IR)及紫外可见(UV-Vis)光谱仪等手段对Ag/SiO_2复合颗粒的形貌结构进行了表征和分析.结果表明:复合颗粒(290 nm)尺寸均匀,近似球状,银颗粒(4 nm)均匀分布在二氧化硅表面,硅烷偶联剂KH-550影响了银粒子在复合颗粒中的分布状态,对Si-O-Si网络结构也有一定的影响,同时有效抑制了复合颗粒的团簇程度.
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| 关 键 词： | 银 二氧化硅 硅烷偶联剂 纳米复合颗粒 |
Preparation and Characterization of Ag/SiO_2 Composite Grains by Sol-gel Technology |
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| LI Gui-an,DENG Zhong-xun,JIAO Fei,ZHANG Ya-juan,ZHU Ting-liang.Preparation and Characterization of Ag/SiO_2 Composite Grains by Sol-gel Technology[J].Bulletin of the Chinese Ceramic Society,2010,29(1):17-20. |
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| Authors: | LI Gui-an DENG Zhong-xun JIAO Fei ZHANG Ya-juan ZHU Ting-liang |
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| Affiliation: | College of Physics and Information Technology;Shaanxi Normal University;Xi'an 710062;China |
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| Abstract: | The silver-silica composite grains with different structures were prepared by Sol-gel technology. The formation mechanism was analyzed,the structures of composite grains were characterized by transmission electron microscope (TEM),scan electron microscope (SEM),X-ray diffraction (XRD),Fourier transform infrared spectrometer(FT-IR) and ultraviolet-visible spectroscopy(UV-Vis). The results indicated that the average size of composite grains(290 nm) was homogeneous and the form was similar to sphericity; and A... |
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| Keywords: | Ag silica silane coupling agent composite nanoparticles |
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