Use of a simple cavitation cell set-up with replaceable single band filters for analysis of sonoluminescence signal from megasonic irradiated gasified aqueous solutions

Zhenxing Han, Manish K Keswani, Eric Liebscher, Mark Beck, Srini Raghavan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A simple method to resolve the features that are characteristic of hydroxyl radicals in sonoluminescence (SL) spectra from aqueous solutions has been developed. Using a modified version of cavitation threshold (CT) cell in which single band filters were sandwiched between the UV grade fused silica window and the photomultiplier tube (PMT) in the cell, photon emission in the wavelength range of 280 to 400 nm was measured. Four different single band filters, 280-305.5 nm, 300-340 nm, 335-375 nm and 374.5-397.5 nm were used. The results for air and Ar saturated DI water are consistent with those reported in the literature and obtained using expensive spectrometers. The SL signal collected in ammonium hydroxide solutions indicated that at higher power densities the signal intensity may not be relatable to the generation rate of hydroxyl radicals in their ground state.

Original languageEnglish (US)
Title of host publicationECS Transactions
PublisherElectrochemical Society Inc.
Pages69-76
Number of pages8
Volume58
Edition6
DOIs
StatePublished - 2013
Externally publishedYes

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Sonoluminescence
Cavitation
Ammonium hydroxide
Photomultipliers
Fused silica
Ground state
Spectrometers
Photons
Wavelength
Air
Water

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Use of a simple cavitation cell set-up with replaceable single band filters for analysis of sonoluminescence signal from megasonic irradiated gasified aqueous solutions. / Han, Zhenxing; Keswani, Manish K; Liebscher, Eric; Beck, Mark; Raghavan, Srini.

ECS Transactions. Vol. 58 6. ed. Electrochemical Society Inc., 2013. p. 69-76.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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