| N4+的生成与检测 |
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| 引用本文： | 李陶琦,许洪光,郝晓春,纪晓唐,李仁忠,葛忠学,郑卫军.N4+的生成与检测[J].化学通报,2012(3):276-278. |
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| 作者姓名： | 李陶琦 许洪光 郝晓春 纪晓唐 李仁忠 葛忠学 郑卫军 |
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| 作者单位： | 西安近代化学研究所;北京分子科学国家实验室中国科学院化学研究所 |
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| 摘 要： | 用从Nd:YAG激光器发出的波长532nm的激光(能量约为10mJ/pulse)溅射由BN、ZrN粉末分别压成的直径13mm、厚度约2～5mm的固体压片样品,生成了含氮团簇N4+。实验中,用高纯氮气为载气,辅助含氮团簇的生成并冷却激光溅射所产生的团簇。反射式飞行时间质谱仪监测反应过程证实N4+的存在,且其存在时间超过200μs。
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| 关 键 词： | N4+ 团簇 含氮化合物 飞行时间质谱仪 |
Formation and Detection of N4+ |
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| Li Taoqi,Xu Hongguang,Hao Xiaochun,Ji Xiaotang,Li Renzhong,Ge Zhongxue,Zheng Weijun.Formation and Detection of N4+[J].Chemistry,2012(3):276-278. |
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| Authors: | Li Taoqi Xu Hongguang Hao Xiaochun Ji Xiaotang Li Renzhong Ge Zhongxue Zheng Weijun |
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| Institution: | 1Xi’an Modern Chemistry Research Institute,Xi’an 710065;2Beijing National Laboratory for Molecular Sciences,Institute of Chemistry,Chinese Academy of Sciences,Beijing 100190) |
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| Abstract: | N+4 cluster ions were generated by laser ablation of BN and ZrN which were compressed into discs of 13mm diameter and 2~5mm thickness.The second harmonic(532nm) of a Nd:YAG laser was used for laser ablation.The typical laser power used in the experiments was ~10mJ/pulse.Nitrogen gas with ~4 atm backing pressure was injected into the source to cool the formed clusters.The formation of N+ 4was monitored by a reflection time-of-flight mass spectrometer and the established life-time of N+4 cluster was more than 200 μs. |
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| Keywords: | N+4 cluster Nitrogenous compounds Time-of-flight mass spectrometer |
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