| 活性纳米金颗料在介孔分子筛SBA-15上的分散 |
| |
| 引用本文： | 周丽绘,胡军,谢颂海,刘洪来.活性纳米金颗料在介孔分子筛SBA-15上的分散[J].中国化学工程学报,2007,15(4):507-511. |
| |
| 作者姓名： | 周丽绘 胡军 谢颂海 刘洪来 |
| |
| 作者单位： | [1]State Key Laboratory of Chemical Engineering and Department of Chemistry, Zast-China University of Scienceh and Technology, Shanghai 200237, China [2]Department of Chemistry, Fudan University, Shanghai 200433, China |
| |
| 基金项目： | 国家自然科学基金，Shanghai Municipal Science and Technology Commission of China，Shanghai Municipal Education Commission of China Fund |
| |
| 摘 要： | Chemical modification （CM） and deposition-precipitation （DP） methods were used for the dispersion of active Au nanoparticles on mesoporous silica materials in this work. XRD, TEM, N2 adsorption isotherms and UV-Vis absorption spectra were used to characterize in detail Au-SBA-15 materials prepared by the two methods. The analysis results showed that high loading （1.7%, by mass） and uniform Au nanoparticles （approximately 3 nm） were dispersed in the channels of mesoporous SBA-15 by the CM method. While for the DP method, most of Au nanoparticles with the size of 10—15nm were aggregated outside of the channels of SBA-15 and the actual loading of Au was only 0.38% （by mass）.
|
| 关 键 词： | 化学药品修饰 沉积物沉淀 金毫微粒 介孔分子筛 分子筛合成 |
| 收稿时间： | 26 October 2006 |
| 修稿时间： | 2006-10-26 |
Dispersion of active Au nanoparticles on mesoporous SBA-15 materials |
| |
| ZHOU Lihui,HU Jun,XIE Songhai,LIU Honglai.Dispersion of active Au nanoparticles on mesoporous SBA-15 materials[J].Chinese Journal of Chemical Engineering,2007,15(4):507-511. |
| |
| Authors: | ZHOU Lihui HU Jun XIE Songhai LIU Honglai |
| |
| Affiliation: | a State Key Laboratory of Chemical Engineering and Department of Chemistry, East China University of Science and Technology, Shanghai 200237, China b Department of Chemistry, Fudan University, Shanghai 200433, China |
| |
| Abstract: | Chemical modification (CM) and deposition-precipitation (DP) methods were used for the dispersion of active Au nanoparticles on mesoporous silica materials in this work. XRD, TEM, N2 adsorption isotherms and UV-Vis absorption spectra were used to characterize in detail Au-SBA-15 materials prepared by the two methods.The analysis results showed that high loading (1.7%, by mass) and uniform Au nanoparticles (approximately 3 nm)were dispersed in the channels of mesoporous SBA-15 by the CM method. While for the DP method, most of Au nanoparticles with the size of 10-15 nm were aggregated outside of the channels of SBA-15 and the actual loading of Au was only 0.38% (by mass). |
| |
| Keywords: | SBA-15 Au-SBA-15 Au nanoparticles deposition-precipitation chemical modification |
| 本文献已被 CNKI 维普 万方数据 ScienceDirect 等数据库收录！ |
| 点击此处可从《中国化学工程学报》浏览原始摘要信息 |
|
点击此处可从《中国化学工程学报》下载全文 |
