Scholarlink

Abstract <p>Photoionization efficiency of volatile organic compounds evaporating from aqueous solutions under atmospheric pressure was compared for two vacuum ultraviolet radiation sources: a gas-discharge lamp and laser-induced plasma. The plasma was produced by pulsed radiation of an Nd:YAG laser with a wavelength of 1.06 μm, pulse duration of 0.5 ns, and energy of 0.4 mJ, focused on a metal target. It was shown that the ion source with laser-induced plasma produces 40–8000 times more analyte ions (alcohols, amines, and ketones) than with the gas-discharge lamp.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Comparative Study of the Ionization Efficiency of Organic Compounds by UV Radiation of Laser-Induced Plasma and a Gas-Discharge Lamp

  • 期刊论文

  • 发表日期：

    2025年12月1日

查看全文
  • A. V. Pento,
  • S. I. Timakova,
  • Y. O. Simanovsky,
  • S. M. Nikiforov

摘要

Abstract

Photoionization efficiency of volatile organic compounds evaporating from aqueous solutions under atmospheric pressure was compared for two vacuum ultraviolet radiation sources: a gas-discharge lamp and laser-induced plasma. The plasma was produced by pulsed radiation of an Nd:YAG laser with a wavelength of 1.06 μm, pulse duration of 0.5 ns, and energy of 0.4 mJ, focused on a metal target. It was shown that the ion source with laser-induced plasma produces 40–8000 times more analyte ions (alcohols, amines, and ketones) than with the gas-discharge lamp.