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首页> 外文会议>Plasma for bio-decontamination, medicine and food security >Xenon Iodide Exciplex Lamp as an Efficient Source for the UV Surface Cleaning and Water Decontamination
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Xenon Iodide Exciplex Lamp as an Efficient Source for the UV Surface Cleaning and Water Decontamination

机译：氙碘激射灯可作为UV表面清洁和水去污的高效光源

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摘要

Discharges in mixtures containing xenon and iodine are interesting because the exciplex XeI~* emits in germicidal spectral region (λ_(max) = 253 nm). In this paper the optimization of a dielectric barrier discharge (DBD) excited lamp operated with a Xe/I_2 mixture is reported. Approximately 76% of the excilamp output was due to the B-X transition of XeI~* exciplex at 253 nm. Short voltage rising and falling time under pulse excitation is more important for the efficiency enhancement than the pulse duration. The average radiation power of 10.3 mW/cm~2 was measured under pulsed excitation at a frequency of 80 kHz. An efficiency improvement from about 3% for AC to 5-9% for square pulse excitation was obtained. A good cleaning effect of glass surface and sterilization action was achieved with the DBD-driven XeI~* exciplex lamp. The contribution of an atomic iodine emission in the range of 178-207 nm has been confirmed. Germ reduction experiments with the XeI~* excilamp have been carried out in a water flow reactor.
机译：含氙和碘的混合物中的放电很有趣，因为激基复合物XeI〜*在杀菌光谱区（λ_（max）= 253 nm）发射。在本文中，报道了使用Xe / I_2混合物操作的电介质阻挡放电（DBD）激发灯的优化。大约76％的准分子输出是由于XeI〜*激基复合物在253 nm处的B-X跃迁所致。脉冲激励下的短电压上升和下降时间比脉冲持续时间对提高效率更重要。在80 kHz频率的脉冲激励下测得的平均辐射功率为10.3 mW / cm〜2。效率从交流电的约3％提高到方脉冲激励的5-9％。用DBD驱动的XeI〜*激基复合灯可实现良好的玻璃表面清洁效果和杀菌作用。已经证实原子碘发射在178-207nm范围内的贡献。已经在水流反应器中进行了使用XeI *激子减少细菌的实验。

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