Citation:
GUO Teng, PENG Zhen, ZHU Hui, XU Li, DONG Jun-Guo, HUANG Zheng-Xu, CHENG Ping, ZHOU Zhen. Research Progress and Application of Ion Funnel Technique[J]. Chinese Journal of Analytical Chemistry,
;2019, 47(1): 13-22,85.
doi:
10.19756/j.issn.0253-3820.181598
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Ion funnel is a new-style ion guider which can reduce spatial divergence and energy dispersity of the transmission ions by using RF electric field to confine the ions radially and the DC axial electric field to move the ions toward the exit, and thus it can greatly increase the ion transmission efficiency and improve the sensitivity of the mass spectrometry. Since ion funnel was invented in 1997, it has attracted a close attention of mass spectrometry scientists all over the world. Ion funnel has been widely used in various kinds of mass spectrometry, and built a bridge with high efficiency ion transmission between low vacuum ionization source and high vacuum mass analyzer. In this paper, the principle, technology development and application progress of ion funnel were reviewed, and the future prospects were presented.
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Keywords:
- Ion funnel,
- Radio frequency,
- Transmission efficiency,
- Mass spectrometry,
- Review
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