Sonoluminescence of Uranyl Ions in Aqueous Solutions

被引：10
|
作者：
Pflieger, Rachel [1 ]
Cousin, Virginie [1 ]
Barre, Nicole [2 ]
Moisy, Philippe [3 ]
Nikitenko, Sergey I. [1 ]
机构：
[1] UMR 5257 CEA CNRS UMII ENSCM, ICSM, F-30207 Bagnols Sur Ceze, France
[2] CNRS IN2P3 UPS, Inst Nucl Phys, Orsay, France
[3] CEA DEN DRCP, Ctr Marcoule, F-30207 Bagnols Sur Ceze, France
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2012年 / 18卷 / 02期
关键词：
fluorescence; sonochemistry; sonoluminescence; uranium; uranyl ions; ELECTRON-TRANSFER; EXCITED-STATE; CAVITATION; PHOTOCHEMISTRY; TRANSITIONS; BUBBLE; ACID;
D O I：
10.1002/chem.201102150
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Ultrasounds excite uranium: Uranyl ions exhibit an ultrabright multibubble sonoluminescence in cooled H 3PO 4 solutions exposed to high-frequency ultrasound. The mechanism of UO 2 2+ excitation seems to vary with uranium concentration: sonophotoluminescence dominates in diluted solutions, and collisional excitation would contribute in concentrated UO 2 2+ solutions (see figure). Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：410 / 414
页数：5
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