Electron impact ionization of perfluoro-methyl-vinyl-ether C3F6O

被引：13
|
作者：
Kondo, Yusuke [1 ]
Ishikawa, Kenji [1 ]
Hayashi, Toshio [1 ]
Sekine, Makoto [1 ]
Hori, Masaru [1 ]
机构：
[1] Nagoya Univ, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648603, Japan
来源：
PLASMA SOURCES SCIENCE & TECHNOLOGY | 2018年 / 27卷 / 01期
关键词：
ionization; fluorocarbon plasma; quantum chemistry; mass spectrometry; DISSOCIATION CROSS-SECTIONS; CFX+ X=1,2,3 ION; SHOCK-WAVE; THERMAL-DISSOCIATION; RADICAL DENSITIES; MASS-SPECTROMETRY; PLASMA; CHEMISTRY; ENERGIES; CHF3;
D O I：
10.1088/1361-6595/aaa22e
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
A mechanism for the electron impact ionization of perfluoro-methyl-vinyl-ether ( CF3OCF=CF2) molecules was studied theoretically using quantum chemical calculations. Positive CF3+ and negative C2F3O- ions were abundantly generated, as supported by quadrupole mass spectrometry observations. The vinyl ethers easily dissociated at the ether bond due to polarization of the charge on the bridging oxygen atom. Consequently, perfluoro-vinyl-ethers form abundant CF3+ ions via ether-specific pathways.
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页数：8
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