Preparation and characterization of antibacterial silver-dispersed activated carbon aerogels

被引：154
|
作者：
Zhang, ST
Fu, RW [1 ]
Wu, DC
Xu, W
Ye, QW
Chen, ZL
机构：
[1] Zhongshan Univ, PCFM Lab, Mat Sci Inst, Guangzhou 510275, Peoples R China
[2] S China Agr Univ, Coll Sci, Guangzhou 510642, Peoples R China
[3] S China Agr Univ, Lab Vet Pharmacol, Guangzhou 510642, Peoples R China
来源：
CARBON | 2004年 / 42卷 / 15期
基金：
高等学校博士学科点专项科研基金;
关键词：
carbon aerogel; activation; BET surface area; X-ray diffraction; electron microscopy;
D O I：
10.1016/j.carbon.2004.08.004
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Silver-dispersed carbon aerogels (CAs) were obtained by direct immersion of organic aerogels prepared by ambient pressure drying technique in AgNO3 aqueous solution and then carbonization. The effect of preparation conditions such as the resorcinol/catalyst ratio, the feed AgNO3 concentration, the ratio of aerogel mass/solution volume, immersion time and carbonization temperature on the bulk density and silver content as well as the BET surface area of the dispersed CAs was studied. The dispersion and structure of silver nanoparticles in obtained materials were investigated by means of scanning electron microscopy, transmission electron microscopy and X-ray diffraction. The Ag-dispersed CAs prepared exhibit strong and long-term antibacterial activity. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3209 / 3216
页数：8
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