Abstract:Radical formation and detection in aqueous solutions under acoustic irradiation are important during wet cleaning processes in semiconductor industries. Oxidizing radicals such as hydroxyl and hydroperoxyl radicals have been widely studied and characterized using fluorescence and chemiluminescence methods. Hydrogen radicals, which are strongly reducing in nature, have not received much attention. In this study, the rate of hydrogen radical generation in a megasonic field (0.93 MHz) was measured using an electr… Show more
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