Temperature and pressure effects on formation and decomposition of phenylvinylperoxy radicals in the C6H5C2H 2 + O2 reaction

J. Park; Ming-Chang Lin

doi:10.1016/j.proci.2008.05.021

Temperature and pressure effects on formation and decomposition of phenylvinylperoxy radicals in the C₆H₅C₂H ₂ + O₂ reaction

J. Park^*, Ming-Chang Lin

^*Corresponding author for this work

Department of Applied Chemistry

Research output: Contribution to journal › Conference article › peer-review

6 Scopus citations

Abstract

The effects of temperature and pressure on the formation and decomposition of C₆H₅C₂H₂O₂ in the C₆H₅C₂H₂ + O₂ reaction have been investigated at temperatures from 298 to 378 K by directly monitoring the C₆H₅C₂H₂O₂ radical in the visible region by cavity ringdown spectrometry (CRDS). The rate constant for the C₆H₅C₂H₂ + O₂ association and that for fragmentation of C₆H₅C ₂H₂O₂ were found to be k₁ (C ₆H₅C₂H₂ + O₂ → C₆H₅C₂H₂O₂) = (3.20 ± 1.19) × 10¹¹ exp(+760/T) cm³ mol ^-1 s^-1 and k₂ (C₆H₅C ₂H₂ O₂ → C₆H₅CHO + HCO) = (1.68 ± 0.13) × 10⁴ s^-1, respectively. Additional kinetic measurements by pulsed laser photolysis/mass spectrometry show that C₆H₅CHO was produced in the C₆H ₅C₂H₂ + O₂ reaction as predicted and the formation of C₆H₅CHO from the decomposition of C ₆H₅C₂H₂O₂ is temperature-independent, consistent with the CRDS experimental data.

Original language	English
Pages (from-to)	305-310
Number of pages	6
Journal	Proceedings of the Combustion Institute
Volume	32 I
Issue number	1
DOIs	https://doi.org/10.1016/j.proci.2008.05.021
State	Published - 2009
Event	32nd International Symposium on Combustion - Montreal, QC, Canada Duration: 3 Aug 2008 → 8 Aug 2008

Keywords

Cavity ringdown spectroscopy
Oxygen
Phenylvinyl
Phenylvinylperoxy

Access to Document

10.1016/j.proci.2008.05.021

Cite this

@article{0b3af02e754343ef803c387e6d83e85b,

title = "Temperature and pressure effects on formation and decomposition of phenylvinylperoxy radicals in the C6H5C2H 2 + O2 reaction",

abstract = "The effects of temperature and pressure on the formation and decomposition of C6H5C2H2O2 in the C6H5C2H2 + O2 reaction have been investigated at temperatures from 298 to 378 K by directly monitoring the C6H5C2H2O2 radical in the visible region by cavity ringdown spectrometry (CRDS). The rate constant for the C6H5C2H2 + O2 association and that for fragmentation of C6H5C 2H2O2 were found to be k1 (C 6H5C2H2 + O2 → C6H5C2H2O2) = (3.20 ± 1.19) × 1011 exp(+760/T) cm3 mol -1 s-1 and k2 (C6H5C 2H2 O2 → C6H5CHO + HCO) = (1.68 ± 0.13) × 104 s-1, respectively. Additional kinetic measurements by pulsed laser photolysis/mass spectrometry show that C6H5CHO was produced in the C6H 5C2H2 + O2 reaction as predicted and the formation of C6H5CHO from the decomposition of C 6H5C2H2O2 is temperature-independent, consistent with the CRDS experimental data.",

keywords = "Cavity ringdown spectroscopy, Oxygen, Phenylvinyl, Phenylvinylperoxy",

author = "J. Park and Ming-Chang Lin",

year = "2009",

doi = "10.1016/j.proci.2008.05.021",

language = "English",

volume = "32 I",

pages = "305--310",

journal = "Proceedings of the Combustion Institute",

issn = "1540-7489",

publisher = "Elsevier Limited",

number = "1",

note = "32nd International Symposium on Combustion ; Conference date: 03-08-2008 Through 08-08-2008",

}

TY - JOUR

T1 - Temperature and pressure effects on formation and decomposition of phenylvinylperoxy radicals in the C6H5C2H 2 + O2 reaction

AU - Park, J.

AU - Lin, Ming-Chang

PY - 2009

Y1 - 2009

N2 - The effects of temperature and pressure on the formation and decomposition of C6H5C2H2O2 in the C6H5C2H2 + O2 reaction have been investigated at temperatures from 298 to 378 K by directly monitoring the C6H5C2H2O2 radical in the visible region by cavity ringdown spectrometry (CRDS). The rate constant for the C6H5C2H2 + O2 association and that for fragmentation of C6H5C 2H2O2 were found to be k1 (C 6H5C2H2 + O2 → C6H5C2H2O2) = (3.20 ± 1.19) × 1011 exp(+760/T) cm3 mol -1 s-1 and k2 (C6H5C 2H2 O2 → C6H5CHO + HCO) = (1.68 ± 0.13) × 104 s-1, respectively. Additional kinetic measurements by pulsed laser photolysis/mass spectrometry show that C6H5CHO was produced in the C6H 5C2H2 + O2 reaction as predicted and the formation of C6H5CHO from the decomposition of C 6H5C2H2O2 is temperature-independent, consistent with the CRDS experimental data.

AB - The effects of temperature and pressure on the formation and decomposition of C6H5C2H2O2 in the C6H5C2H2 + O2 reaction have been investigated at temperatures from 298 to 378 K by directly monitoring the C6H5C2H2O2 radical in the visible region by cavity ringdown spectrometry (CRDS). The rate constant for the C6H5C2H2 + O2 association and that for fragmentation of C6H5C 2H2O2 were found to be k1 (C 6H5C2H2 + O2 → C6H5C2H2O2) = (3.20 ± 1.19) × 1011 exp(+760/T) cm3 mol -1 s-1 and k2 (C6H5C 2H2 O2 → C6H5CHO + HCO) = (1.68 ± 0.13) × 104 s-1, respectively. Additional kinetic measurements by pulsed laser photolysis/mass spectrometry show that C6H5CHO was produced in the C6H 5C2H2 + O2 reaction as predicted and the formation of C6H5CHO from the decomposition of C 6H5C2H2O2 is temperature-independent, consistent with the CRDS experimental data.

KW - Cavity ringdown spectroscopy

KW - Oxygen

KW - Phenylvinyl

KW - Phenylvinylperoxy

UR - http://www.scopus.com/inward/record.url?scp=61849114547&partnerID=8YFLogxK

U2 - 10.1016/j.proci.2008.05.021

DO - 10.1016/j.proci.2008.05.021

M3 - Conference article

AN - SCOPUS:61849114547

SN - 1540-7489

VL - 32 I

SP - 305

EP - 310

JO - Proceedings of the Combustion Institute

JF - Proceedings of the Combustion Institute

IS - 1

T2 - 32nd International Symposium on Combustion

Y2 - 3 August 2008 through 8 August 2008

ER -

Temperature and pressure effects on formation and decomposition of phenylvinylperoxy radicals in the C₆H₅C₂H ₂ + O₂ reaction

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this