Criegee intermediates: production, detection and reactivity

R Chhantyal-Pun, MAH Khan, CA Taatjes… - … Reviews in Physical …, 2020 - Taylor & Francis
In the context of tropospheric chemistry, Criegee intermediates denote carbonyl oxides with
biradical/zwitterionic character (R1R2COO) that form during the ozonolysis of alkenes. First …

Kinetics of the Simplest Criegee Intermediate Reaction with Water Vapor: Revisit and Isotope Effect

YJ Wu, K Takahashi, JJM Lin - The Journal of Physical Chemistry …, 2023 - ACS Publications
The kinetics of the simplest Criegee intermediate (CH2OO) reaction with water vapor was
revisited. By improving the signal-to-noise ratio and the precision of water concentration, we …

Molecular insights into the formation of Criegee intermediates from β-hydroxyperoxy radicals

L Chen, Y Huang, Y Xue, Z Jia - Atmospheric Environment, 2024 - Elsevier
Organic peroxy radicals (RO 2) and Criegee intermediates (CI, carbonyl oxides) are key
reactive species in atmospheric chemistry, and can proceed various reactions influencing …

Long-wave mid-infrared time-resolved dual-comb spectroscopy of short-lived intermediates

PL Luo - Optics Letters, 2020 - opg.optica.org
In this Letter, an electro-optic dual-comb spectrometer with a central tunable range of 7.77–
8.22 µm is demonstrated to perform transient absorption spectroscopy of the simplest …

Synchronized Two-Color Time-Resolved Dual-Comb Spectroscopy for Quantitative Detection of HOx Radicals Formed from Criegee Intermediates

PL Luo, IY Chen - Analytical Chemistry, 2022 - ACS Publications
Criegee intermediates, derived from ozonolysis of alkenes and recognized as key species in
the production of nonphotolytic free radicals, play a crucial role in atmospheric chemistry …

Experimental and Computational Studies of Criegee Intermediate syn-CH3CHOO Reaction with Hydrogen Chloride

S Liu, X Zhou, Y Chen, Y Liu, S Yu… - The Journal of …, 2021 - ACS Publications
Hydrogen chloride (HCl) contributes substantially to the atmospheric Cl; both species could
affect the composition of Earth's atmosphere and the fate of pollutants. Here, we present the …

Infrared Characterization of the Products of the Reaction between the Criegee Intermediate CH3CHOO and HCl

ZS Su, YP Lee - The Journal of Physical Chemistry A, 2023 - ACS Publications
The rapid reactions between Criegee intermediates and hydrogen halides play important
roles in atmospheric chemistry, particularly in the polluted urban atmosphere. Employing a …

Detailed mechanism and kinetics of the reaction of Criegee intermediate CH 2 OO with HCOOH investigated via infrared identification of conformers of …

CA Chung, JW Su, YP Lee - Physical Chemistry Chemical Physics, 2019 - pubs.rsc.org
The reaction of Criegee intermediate CH2OO with HCOOH is important in atmospheric
chemistry, but its mechanism and kinetics are little investigated. We recorded time-resolved …

Infrared characterization of the products and the rate coefficient of the reaction between Criegee intermediate CH 2 OO and HCl

WC Liang, PL Luo, YP Lee - Physical Chemistry Chemical Physics, 2021 - pubs.rsc.org
Reactions between Criegee intermediates and hydrogen halides might be significant,
particularly in the polluted urban atmosphere, because of their large rate coefficients …

Mechanism and kinetics of the reaction of the Criegee intermediate CH 2 OO with acetic acid studied using a step-scan Fourier-transform IR spectrometer

B Behera, K Takahashi, YP Lee - Physical Chemistry Chemical Physics, 2022 - pubs.rsc.org
Acetic acid, CH3C (O) OH, plays an important role in the acidity of the troposphere. The
reactions of Criegee intermediates with CH3C (O) OH have been proposed to be a potential …