Thermal and FTIR spectroscopic analysis of the interactions of aniline adsorbed on to MCM-41 mesoporous material

被引：31
|
作者：
Eimer, GA [1 ]
Costa, MBG [1 ]
Pierella, LB [1 ]
Anunziata, OA [1 ]
机构：
[1] Natl Univ Cordoba, Fac Reg Cordoba, Grp Fisicoquim Nuevos Mat, CITeQ, RA-5016 Cordoba, Argentina
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2003年 / 263卷 / 02期
关键词：
aniline; adsorption; MCM-41; mesoporous materials; nanomaterials; FT-IR spectroscopy; thermal analysis;
D O I：
10.1016/S0021-9797(03)00038-9
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：
The adsorption of aniline on Na-AlMCM-41 synthesized by us has been characterized by infrared spectroscopy, temperature programmed desorption (TPD), and differential thermal analysis methods. Aniline would be mostly bound to the mesostructure through weak pi interactions. On the mesostructure containing adsorbed water, the co-adsorption of aniline could occur by weak hydrogen bonding through surface water molecules. For water, two possible modes of adsorption have been identified. Different associations between aniline and hydrated and nonhydrated mesostructures have been evaluated in order to favor the posterior in situ polymerization of adsorbed aniline. (C) 2003 Elsevier Inc. All rights reserved.
引用
收藏
页码：400 / 407
页数：8
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