Role of dibromomalonic acid in the photosensitivity of the Ru(bpy)32+-catalyzed Belousov-Zhabotinsky reaction

被引：18
|
作者：
Vanag, VK
Zhabotinsky, AM
Epstein, IR
机构：
[1] Brandeis Univ, Dept Chem, Waltham, MA 02454 USA
[2] Brandeis Univ, Volen Ctr Complex Syst, Waltham, MA 02454 USA
来源：
JOURNAL OF PHYSICAL CHEMISTRY A | 2000年 / 104卷 / 35期
关键词：
D O I：
10.1021/jp001418m
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：
Dibromomalonic acid (Br(2)MA) oxidizes the photoexcited state of the Ru(bpy)(3)(2+) complex, producing Br-2. Br(2)MA also reduces Ru(bpy)(3)(3+), yielding Br-. The first of these reactions has a rate proportional to [H+] and plays an important part in the mechanism of photoinhibition of the Belousov-Zhabotinsky reaction. We propose a reaction mechanism that gives good agreement with the experimental data.
引用
收藏
页码：8207 / 8215
页数：9
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