Multibubble sonoluminescence of europium(III) chloride in heavy water

被引：4

作者：

Sharipov, G. L. ^{[1
]}

Gainetdinov, R. Kh. ^{[1
]}

Abdrakhmanov, A. M. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Petrochem & Catalysis, Ufa 450075, Russia

来源：

RUSSIAN CHEMICAL BULLETIN | 2008年 / 57卷 / 09期

基金：

俄罗斯基础研究基金会;

关键词：

sonoluminescence; europium chloride; quenching; electron transfer;

D O I：

10.1007/s11172-008-0246-x

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A weak glow in the region of the Eu3+ photoluminescence spectrum was detected against the background of the continuum of the solvent emission during multibubble sonolysis of air- or argon-saturated EuCl3 solutions (0.1 mol L-1) in heavy water. No characteristic sonoluminescence of the europium ion in aqueous solutions was observed earlier. Possible reasons for the low yield of Eu3+ sonoluminescence compared with other lanthanide ions (Ln(3+)) are discussed and the influence of europium on the spectrum of the solvent continuum related, in particular, to quenching of the electron-excited sonolysis products H2O* (D2O*) and Eu3+* in electron transfer reactions.

引用

页码：1827 / 1830

页数：4

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