新型三角形电极圆环离子阱的理论模拟研究

引用本文: 杨海洋, 许崇晟, 岳磊, Mikhail Sudakov, 潘远江, 丁传凡. 新型三角形电极圆环离子阱的理论模拟研究[J]. 分析化学, 2016, 44(3): 482-488. doi: 10.11895/j.issn.0253-3820.150900 shu

Citation: YANG Hai-Yang, XU Chong-Sheng, YUE Lei, Mikhail Sudakov, PAN Yuan-Jiang, DING Chuan-Fan. Optimization of Performance of Toroidal Ion Trap with Triangular Electrode by Theoretical Simulation[J]. Chinese Journal of Analytical Chemistry, 2016, 44(3): 482-488. doi: 10.11895/j.issn.0253-3820.150900 shu

新型三角形电极圆环离子阱的理论模拟研究

杨海洋 ^1, ,
许崇晟 ^1, ,
岳磊 ^2, ,
Mikhail Sudakov ^1, ,
潘远江 ^2, ,
丁传凡 ^{1,
,}

1.
¹ 复旦大学化学系, 上海市分子催化与功能材料重点实验室, 上海 200433;
2.
² 浙江大学化学系, 杭州 310027

通讯作者: 丁传凡

摘要: 圆环离子阱由于其离子储存能力明显优于相同体积下的三维离子阱,近年来被认为是离子阱小型化发展的另一个重要方向。为进一步优化圆环形离子阱的质谱性能,特别是质量分辨能力,本研究提出了一种由三角形电极构建的新型圆环离子阱,它由两个完全等同的、截面为三角形的圆环电极及两个大小不等的圆筒型电极所组成,离子通过共振激发方式弹出。通过理论模拟和对电极结构的优化,获得了具有非对称性的三角形电极结构,通过改善圆环结构,优化电场分布,提高了离子引出效率和离子阱的质量分辨能力,其中一种最优化结构的圆环离子阱对m/z 609离子的质量分辨率达到1486。

关键词:

English

Optimization of Performance of Toroidal Ion Trap with Triangular Electrode by Theoretical Simulation

1.
¹ Department of Chemistry and Laser Chemistry Institute, Fudan University, Shanghai 200433, China;
2.
² Department of Chemistry, Zhejiang University, Hangzhou 310027, China

Corresponding author: 丁传凡

Received Date: 11 November 2015

Abstract: The toroidal ion trap is an ideal candidate for miniaturized ion trap because it has much higher ion trapping capacity than a standard quadrupole ion trap of equal trapping dimensions. A novel toroidal ion trap mass analyzer with triangular electrode which contained a filament end cap, a detector endcap, an inner ring and an outer ring was reported. After designing and optimizing the electrodes by theoretical simulations, we found that the asymmetric triangle electrodes could reduce the affection from toroidal shape and improve the ion ejection rate and the mass resolution of the ion trap. The best design of the toroidal ion trap with a mass resolution of 1486 at m/z 609 was obtained.

Key words:

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

新型三角形电极圆环离子阱的理论模拟研究

通讯作者: 丁传凡

English

Optimization of Performance of Toroidal Ion Trap with Triangular Electrode by Theoretical Simulation

Corresponding author: 丁传凡

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

新型三角形电极圆环离子阱的理论模拟研究

通讯作者: 丁传凡

English

Optimization of Performance of Toroidal Ion Trap with Triangular Electrode by Theoretical Simulation

Corresponding author: 丁传凡

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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