Articles | Volume 23, issue 18
https://doi.org/10.5194/acp-23-10517-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-23-10517-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
An aldehyde as a rapid source of secondary aerosol precursors: theoretical and experimental study of hexanal autoxidation
Shawon Barua
CORRESPONDING AUTHOR
Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, 33720 Tampere, Finland
Siddharth Iyer
Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, 33720 Tampere, Finland
Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, 33720 Tampere, Finland
Prasenjit Seal
Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, 33720 Tampere, Finland
Matti Rissanen
CORRESPONDING AUTHOR
Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and Natural Sciences, Tampere University, 33720 Tampere, Finland
Department of Chemistry, University of Helsinki, PO Box 55, 00014, Helsinki, Finland
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Cited
11 citations as recorded by crossref.
- 1-Hexene Ozonolysis across Atmospheric and Combustion Temperatures via Synchrotron-Based Photoelectron Spectroscopy and Chemical Ionization Mass Spectrometry C. Smith Lewin et al. 10.1021/acs.jpca.4c02687
- Detailed Investigation of 2,3-Dimethyl-2-butene Ozonolysis-Derived Hydroxyl, Peroxy, and Alkoxy Radical Chemistry B. Frandsen et al. 10.1021/acsearthspacechem.4c00355
- Rapid unimolecular reactions of acyl peroxy radicals: extending the structure–activity relationships L. Franzon et al. 10.1039/D5CP01175B
- Natural and Anthropogenic Sources of Organic Aerosol in the Atmosphere: Kinetics and Mechanism of Formation in the Forest-steppe Zone of West Siberia T. Kobzeva et al. 10.1134/S1024856024700830
- Quantitative kinetics reveal that reactions of HO2 are a significant sink for aldehydes in the atmosphere and may initiate the formation of highly oxygenated molecules via autoxidation Q. Gao et al. 10.1039/D4CP00693C
- Reaction of the Acetyl Peroxy Radical and OH Radical as a Source of Acetic Acid in the Atmosphere H. Chen et al. 10.1021/acsearthspacechem.4c00211
- Optimizing the iodide-adduct chemical ionization mass spectrometry (CIMS) quantitative method for toluene oxidation intermediates: experimental insights into functional-group differences M. Song et al. 10.5194/amt-17-5113-2024
- Indoor Air Quality Implications of Germicidal 222 nm Light V. Barber et al. 10.1021/acs.est.3c05680
- Gas-Phase Oxidation of Atmospherically Relevant Unsaturated Hydrocarbons by Acyl Peroxy Radicals D. Pasik et al. 10.1021/jacs.4c02523
- Unclassical Radical Generation Mechanisms in the Troposphere: A Review X. Yang et al. 10.1021/acs.est.4c00742
- An aldehyde as a rapid source of secondary aerosol precursors: theoretical and experimental study of hexanal autoxidation S. Barua et al. 10.5194/acp-23-10517-2023
10 citations as recorded by crossref.
- 1-Hexene Ozonolysis across Atmospheric and Combustion Temperatures via Synchrotron-Based Photoelectron Spectroscopy and Chemical Ionization Mass Spectrometry C. Smith Lewin et al. 10.1021/acs.jpca.4c02687
- Detailed Investigation of 2,3-Dimethyl-2-butene Ozonolysis-Derived Hydroxyl, Peroxy, and Alkoxy Radical Chemistry B. Frandsen et al. 10.1021/acsearthspacechem.4c00355
- Rapid unimolecular reactions of acyl peroxy radicals: extending the structure–activity relationships L. Franzon et al. 10.1039/D5CP01175B
- Natural and Anthropogenic Sources of Organic Aerosol in the Atmosphere: Kinetics and Mechanism of Formation in the Forest-steppe Zone of West Siberia T. Kobzeva et al. 10.1134/S1024856024700830
- Quantitative kinetics reveal that reactions of HO2 are a significant sink for aldehydes in the atmosphere and may initiate the formation of highly oxygenated molecules via autoxidation Q. Gao et al. 10.1039/D4CP00693C
- Reaction of the Acetyl Peroxy Radical and OH Radical as a Source of Acetic Acid in the Atmosphere H. Chen et al. 10.1021/acsearthspacechem.4c00211
- Optimizing the iodide-adduct chemical ionization mass spectrometry (CIMS) quantitative method for toluene oxidation intermediates: experimental insights into functional-group differences M. Song et al. 10.5194/amt-17-5113-2024
- Indoor Air Quality Implications of Germicidal 222 nm Light V. Barber et al. 10.1021/acs.est.3c05680
- Gas-Phase Oxidation of Atmospherically Relevant Unsaturated Hydrocarbons by Acyl Peroxy Radicals D. Pasik et al. 10.1021/jacs.4c02523
- Unclassical Radical Generation Mechanisms in the Troposphere: A Review X. Yang et al. 10.1021/acs.est.4c00742
Latest update: 18 Jun 2025
Short summary
This work illustrates how a common volatile hydrocarbon, hexanal, has the potential to undergo atmospheric autoxidation that leads to prompt formation of condensable material that subsequently contributes to aerosol formation, deteriorating the air quality of urban atmospheres. We used the combined state-of-the-art quantum chemical modeling and experimental flow reactor experiments under atmospheric conditions to resolve the autoxidation mechanism of hexanal initiated by a common oxidant.
This work illustrates how a common volatile hydrocarbon, hexanal, has the potential to undergo...
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