Sonochemistry and sonoluminescence under simultaneous high- and low-frequency irradiation

被引：28
作者：
Brotchie, Adam [1 ]
Ashokkumar, Muthupandian [1 ]
Grieser, Franz [1 ]
机构：
[1] Univ Melbourne, Particular Fluids Proc Ctr, Sch Chem, Melbourne, Vic 3010, Australia
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2008年 / 112卷 / 22期
关键词：
D O I：
10.1021/jp8006987
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：
Sonoluminescence emission, sonochemiluminescence from luminol and the sonochemical yield of hydrogen peroxide were studied under a dual frequency field combining low-frequency (20 kHz) and high-frequency (355 kHz) ultrasound. Under certain conditions it was found that a synergistic enhancement of both sonoluminescence and sonochemical processes could be attained. Ultrasound parameters including pulsing conditions and sonication time were found to sensitively influence the efficiency of the dual-frequency mode operation. Possible mechanisms responsible for the dual-frequency effects are discussed.
引用
收藏
页码：8343 / 8348
页数：6
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