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

页码：410 / 414

页数：5

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