中文摘要：

离子迁移谱被广泛应用于爆炸物、毒品等现场检测。离子源是离子迁移谱的核心部件，它与离字迁移谱最终的灵敏度和选择性密切相关：近年来。以光电离技术为代表的非放射电离源成为研究热点。本文介绍基于VUV灯的新型光电离源。重点综述近年来试剂分子辅助电离正离子源、负离子源的进展，分析这些新型光电离离子迁移谱在环境污染物、爆炸物等检测的应用。

英文摘要：

Ion mobility spectrometry is widely used for field detection of explosives and illegal drugs due to its satisfactory features. Ionization source is the key part of ion mobility spectrometry, which is directly related to the sensitivity and selectivity. Recently, nonirradioactive ionization sources,represented by photon ionization source,have become a hot field. This paper introduces various ionization sources based on VUV lamp,especially dopant-assisted positive and negative ionization sources developed in our labrotory and their applications in detection of envoromental pollution and typical explosives.