Laser-induced fluorescence of quinoline adsorbed on acidic zeolites

被引：9
|
作者：
Lalo, C
Deson, J
Gedeon, A
Fraissard, J
机构：
[1] Lab. de Chim. des Surfaces UPMC-CNRS, URA 1428, 75252 Paris Cedex 05
来源：
CHEMICAL PHYSICS LETTERS | 1997年 / 279卷 / 3-4期
关键词：
D O I：
10.1016/S0009-2614(97)01015-4
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：
Laser-induced fluorescence spectra of quinoline adsorbed on different forms of acidic Y zeolite reveal interactions between the adsorbate and different polarizing sites in the supercages. Bronsted acid sites protonate quinoline whereas Lewis acid sites appear to give a charge-transfer complex whose fluorescence is strongly red-shifted compared to that of the quinolinium ion. An unstable hydrogen-bonded complex is formed with non-acidic silanol groups. (C) 1997 Elsevier Science B.V.
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收藏
页码：230 / 235
页数：6
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