Studying Ozonolysis Reactions Of 2-butenes Using Cavity Ring-down Spectroscopy

Liu, Yingdi

Permalink

https://hdl.handle.net/2142/51178 Copy

Description

Title

Studying Ozonolysis Reactions Of 2-butenes Using Cavity Ring-down Spectroscopy

Author(s)

Liu, Yingdi

Contributor(s)

• Zhang, Jingsong
• Priest, Chad
• Campos-Pineda, Mixtli
• Wang, Liming

Issue Date

2014-06-18

Keyword(s)

Mini-symposium: Spectroscopy in Kinetics and Dynamics

Abstract

Ozonolysis reactions of alkenes are important oxidation pathways of alkenes in the atmosphere, and they are also significant sources of tropospheric hydroxyl radicals. In this work, ozone reactions with {\it trans}- and {\it cis}-2-butene are studied using cavity ring-down spectroscopy (CRDS). Vinoxy (CH$_{2}$CHO) radical, a proposed co-product of OH from dissociation of Criegee intermediates following the primary ozonolysis of 2-butenes, is directly observed. The vinoxy formation is found to decrease with increasing pressure. Formaldehyde (HCHO), a side-product in the ozonolysis reactions, is also monitored. Chemical kinetic modeling has been performed to illustrate the reaction mechanisms and to quantify the reactive intermediate and product yields.

Publisher

International Symposium on Molecular Spectroscopy

Type of Resource

text

Language

English

Permalink

http://hdl.handle.net/2142/51178

DOI

https://doi.org/10.15278/isms.2014.WH12

Copyright and License Information

Copyright 2014 by the authors. Licensed under a Creative Commons Attribution 4.0 International License. http://creativecommons.org/licenses/by/4.0/

Owning Collections