Simulation study of three new quadrupole ion funnels to improve low‐mass ion transmission
Chaohui Qiu,
Xiaolong Li,
Zhe Li
et al.
Abstract:RationaleBy applying radio frequency (RF) and direct current (DC) voltages to corresponding ring electrodes, ion funnel (IF) can efficiently focus and transmit ions. However, IF has an inherent mass discrimination problem that will greatly limit low mass‐to‐charge (m/z) ion focusing and transmission. To improve the transmission efficiency (TE) of the IF, this paper explores three new profile quadrupole ion funnels (QIF).MethodsComputer simulations of the potential field distributions of QIFs and conventional I… Show more
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