Formation of Molybdenum Blue Particles via the Reduction of a Molybdate Solution with Glucose

被引：8
|
作者：
Myachina, M. A. [1 ]
Gavrilova, N. N. [1 ]
Nazarov, V. V. [1 ]
机构：
[1] Mendeleev Univ Chem Technol, Moscow 125047, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2018年 / 92卷 / 11期
关键词：
molybdenum blues; molybdenum oxide cluster; dispersion of nanoparticles; photon correlation spectroscopy; formation of particles; POLYOXOMETALATE; DESTRUCTION;
D O I：
10.1134/S0036024418110298
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：
Molybdenum blue dispersions are synthesized via the reduction of molybdate with glucose in an acidic medium. Spectrophotometry and photon correlation spectroscopy show that, depending on the reducing agent/molybdate ratio and the pH value, both colored complex Mo compounds and dispersed phase particles (large molybdenum oxide clusters) can form. It is shown that particles form in the 1.4-2.2 range of the dispersion medium's pH and ceases 21 days after synthesis (at room temperature).
引用
收藏
页码：2237 / 2241
页数：5
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