Particle Charging by Ultraviolet Ray Exposuretentative Report

Particle charging by exposure to ultraviolet rays is being investigated. The UV rays cause the emission of photo-electrons from the particle surface, resulting in positively charged particles. The characteristics of the time increase of charging as well as the saturation charge are measured experime...

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Bibliographic Details
Published in1983 Annual Meeting Industry Applications Society pp. 1020 - 1023
Main Authors Masuda, Senichi, Mizuno, Akira, Tanaka, Sabro
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.1983
Subjects
Atmospheric measurements
Charge measurement
Electric fields
Electrodes
Particle measurements
Photonics
Surface charging
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Summary:Particle charging by exposure to ultraviolet rays is being investigated. The UV rays cause the emission of photo-electrons from the particle surface, resulting in positively charged particles. The characteristics of the time increase of charging as well as the saturation charge are measured experimentally, using 0.5 - 2.7 μm diameter DOP (Dioctyl phtalate) and incense smoke particles. The experimental results indicate that particle charging by UV-ray exposure is strongly affected not only by the intensity of the UV-ray and particle diameter, but also the material of particle.
ISBN:9781509031887
150903188X
ISSN:2576-702X
2576-702X