INTERACTION OF SILANOL SPECIES ON SILICA SURFACE WITH HYDROGEN-BONDING AGENTS STUDIED BY PHOTOACOUSTIC-SPECTROSCOPY

被引：3
|
作者：
PANDURANGI, RS [1 ]
SEEHRA, MS [1 ]
机构：
[1] W VIRGINIA UNIV,DEPT PHYS,MORGANTOWN,WV 26506
来源：
APPLIED SPECTROSCOPY | 1991年 / 45卷 / 04期
关键词：
SILICA; SURFACE VIBRATIONAL MODES; PHOTOACOUSTIC SPECTROSCOPY; HYDROGEN BONDING AGENTS;
D O I：
10.1366/0003702914336714
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The interaction of amorphous silica particles with several hydrogen bonding agents (H2O, C2H5OH, C7H8NO) was investigated by monitoring the changes in the bulk and surface IR vibrational modes of silica using photoacoustic spectroscopy. It is argued that the intensity of the silanol band at 3747 cm-1 provides (an inverse) quantitative measure of the interaction of surface groups, along with the shift in the broad hydroxyl band, the interaction following the order C7H8NO > C2H5OH > H2O.
引用
收藏
页码：673 / 676
页数：4
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