Measurement of the absorption cross sections of SiCl4, SiCl3, SiCl2 and Cl at H Lyman-α wavelength

被引：3
|
作者：
Mevel, R. [1 ]
Catoire, L. [2 ]
Fikri, M. [3 ]
Roth, P. [3 ]
机构：
[1] CALTECH, Grad Aerosp Labs, Pasadena, CA 91125 USA
[2] Ecole Natl Super Tech Avancees ENSTA ParisTech, F-91762 Palaiseau, France
[3] Univ Duisburg Essen, Inst Verbrennung & Gasdynam, D-47048 Duisburg, Germany
来源：
CHEMICAL PHYSICS LETTERS | 2013年 / 561卷
关键词：
HIGH-TEMPERATURE KINETICS; SHOCK-TUBE; THERMAL-DECOMPOSITION; RATE-CONSTANT; NITROUS-OXIDE; SI; SILANE; ATOMS; PHOTOABSORPTION; COMBUSTION;
D O I：
10.1016/j.cplett.2013.01.035
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Atomic resonance absorption spectroscopy coupled with a shock tube is a powerful technique for studying high temperature dynamics of reactive systems. Presently, high temperature pyrolysis of SiCl4-Ar mixtures has been studied behind reflected shock waves. Using time-resolved absorption profiles at 121.6 nm and a detailed reaction model, the absorption cross sections of SiCl4, SiCl3, SiCl2 and Cl have been measured. Results agree well with available data for SiCl4 and constitute, to our knowledge, the first measurements for SiCl3, SiCl2 and Cl at the Lyman-alpha wavelength. These data are relevant to silica particle production from SiCl4-oxidant mixtures combustion synthesis. (C) 2013 Elsevier B. V. All rights reserved.
引用
收藏
页码：31 / 35
页数：5
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