Raman spectroscopic evidence for the existence of 6-molybdoaluminate entities on an Mo/Al2O3 oxidic precursor

被引:82
作者
Le Bihan, L
Blanchard, P
Fournier, M
Grimblot, J
Payen, E
机构
[1] Univ Sci & Tech Lille Flandres Artois, URA CNRS 402, Catalyse Heterogene & Homogene Lab, F-59650 Villeneuve Dascq, France
[2] Univ Sci & Tech Lille Flandres Artois, URA CNRS 2631, Ctr Etud & Rech Laser & Applicat, Lab Spectrochim Infrarouge & Raman, F-59650 Villeneuve Dascq, France
来源
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1998年 / 94卷 / 07期
关键词
D O I
10.1039/a706359h
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
A study by Raman spectroscopy of the oxomolybdate surface phase present on an Mo/Al2O3 oxidic precursor reveals the presence of well dispersed 6-molybdoaluminate entities (AlMo6O24H63-) on a 15 wt.% MoO3 oxidic precursor. It is also shown that precipitation of an ammonium 6-molybdoaluminate salt occurs at higher Mo loadings.
引用
收藏
页码:937 / 940
页数:4
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