Isomeric identification of polycyclic aromatic hydrocarbons formed in combustion with tunable vacuum ultraviolet photoionization

被引：185

作者：

Qi, Fei ^{[1
]}

Yang, Rui ^{[1
]}

Yang, Bin ^{[1
]}

Huang, Chaoqun ^{[1
]}

Wei, Lixia ^{[1
]}

Wang, Jing ^{[1
]}

Sheng, Liusi ^{[1
]}

Zhang, Yunwu ^{[1
]}

机构：

[1] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2006年 / 77卷 / 08期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.2234855

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Polycyclic aromatic hydrocarbons (PAHs) play important roles in the formation of soot from combustion. The PAHs are formed from incomplete combustion, and are thought to pose a particularly great risk to health. Isomeric identification of PAHs is a big challenge. In this article, we describe an apparatus that combines tunable synchrotron vacuum ultraviolet (VUV) photoionization with molecular-beam mass spectrometry for identifying isomers of PAHs formed in combustion. The isomers of PAHs can be distinguished with measurements of photoionization mass spectrometry and photoionization efficiency spectra. With its unique features, the apparatus provides superior mass and energy resolution and is potentially a powerful tool for the study of formation mechanisms of PAHs and soot in combustion. (c) 2006 American Institute of Physics.

引用

页数：5

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