Articles | Volume 19, issue 16
https://doi.org/10.5194/acp-19-10817-2019
© Author(s) 2019. 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-19-10817-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
27 Aug 2019
Research article |
| 27 Aug 2019
| 27 Aug 2019
Halogen activation and radical cycling initiated by imidazole-2-carboxaldehyde photochemistry
Pablo Corral Arroyo
Paul Scherrer Institute, Laboratory of Environmental Chemistry, 5232
Villigen PSI, Switzerland
Department of Chemistry and Biochemistry, University of Bern, 2012
Bern, Switzerland
Raffael Aellig
ETH Swiss Federal Institute of Technology Zürich, Institute for
Atmospheric and Climate Science, 8006 Zurich, Switzerland
Peter A. Alpert
Paul Scherrer Institute, Laboratory of Environmental Chemistry, 5232
Villigen PSI, Switzerland
Rainer Volkamer
Department of Chemistry, 215 UCB, University of
Colorado, Boulder, CO 80309, USA
Cooperative Institute for Research in Environmental Sciences (CIRES),
216 UCB, University of Colorado, Boulder, CO 80309, USA
Paul Scherrer Institute, Laboratory of Environmental Chemistry, 5232
Villigen PSI, Switzerland
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Cited
14 citations as recorded by crossref.
- Five-Membered Heterocycles as Potential Photosensitizers in the Tropospheric Aqueous Phase: Photophysical Properties of Imidazole-2-carboxaldehyde, 2-Furaldehyde, and 2-Acetylfuran T. Felber et al. 10.1021/acs.jpca.0c07028
- Enhanced sulfate formation in mixed biomass burning and sea-salt interactions mediated by photosensitization: effects of chloride, nitrogen-containing compounds, and atmospheric aging R. Tang et al. 10.5194/acp-25-425-2025
- Kinetics and Mechanisms of Aqueous-Phase Reactions of Triplet-State Imidazole-2-carboxaldehyde and 3,4-Dimethoxybenzaldehyde with α,β-Unsaturated Carbonyl Compounds K. Aregahegn et al. 10.1021/acs.jpca.2c05015
- Structure and Electron Configuration of Imidazole-2-carboxaldehyde and Its Excited Triplet: Resonance Raman and Transient Absorption Spectroscopy and DFT Calculation Investigations B. Huang et al. 10.1021/acs.jpca.3c06750
- Molecular dynamics simulations of the evaporation of hydrated ions from aqueous solution P. Loche et al. 10.1038/s42004-022-00669-5
- Photochemistry of Imidazole-2-carbaldehyde in Droplets as a Potential Source of H2O2 and Its Oxidation of SO2 Y. Wang et al. 10.1021/acs.est.3c11113
- Surface Propensity of Aqueous Atmospheric Bromine at the Liquid–Gas Interface I. Gladich et al. 10.1021/acs.jpclett.0c00633
- An unexpected large continental source of reactive bromine and chlorine with significant impact on wintertime air quality X. Peng et al. 10.1093/nsr/nwaa304
- Complexities of Photosensitization in Atmospheric Particles Z. Liang et al. 10.1021/acsestair.4c00112
- Photoinduced Reactions of Nitrate in Aqueous Microdroplets by Triplet Energy Transfer P. Kim et al. 10.1021/acs.jpclett.3c02178
- Enhanced Sulfate Formation through Synergistic Effects of Chlorine Chemistry and Photosensitization in Atmospheric Particles R. Zhang & C. Chan 10.1021/acsestair.3c00030
- Photolytic radical persistence due to anoxia in viscous aerosol particles P. Alpert et al. 10.1038/s41467-021-21913-x
- Aging of Atmospheric Brown Carbon Aerosol R. Hems et al. 10.1021/acsearthspacechem.0c00346
- Characterization of Imidazole Compounds in Aqueous Secondary Organic Aerosol Generated from Evaporation of Droplets Containing Pyruvaldehyde and Inorganic Ammonium X. Lin et al. 10.3390/atmos13060970
14 citations as recorded by crossref.
- Five-Membered Heterocycles as Potential Photosensitizers in the Tropospheric Aqueous Phase: Photophysical Properties of Imidazole-2-carboxaldehyde, 2-Furaldehyde, and 2-Acetylfuran T. Felber et al. 10.1021/acs.jpca.0c07028
- Enhanced sulfate formation in mixed biomass burning and sea-salt interactions mediated by photosensitization: effects of chloride, nitrogen-containing compounds, and atmospheric aging R. Tang et al. 10.5194/acp-25-425-2025
- Kinetics and Mechanisms of Aqueous-Phase Reactions of Triplet-State Imidazole-2-carboxaldehyde and 3,4-Dimethoxybenzaldehyde with α,β-Unsaturated Carbonyl Compounds K. Aregahegn et al. 10.1021/acs.jpca.2c05015
- Structure and Electron Configuration of Imidazole-2-carboxaldehyde and Its Excited Triplet: Resonance Raman and Transient Absorption Spectroscopy and DFT Calculation Investigations B. Huang et al. 10.1021/acs.jpca.3c06750
- Molecular dynamics simulations of the evaporation of hydrated ions from aqueous solution P. Loche et al. 10.1038/s42004-022-00669-5
- Photochemistry of Imidazole-2-carbaldehyde in Droplets as a Potential Source of H2O2 and Its Oxidation of SO2 Y. Wang et al. 10.1021/acs.est.3c11113
- Surface Propensity of Aqueous Atmospheric Bromine at the Liquid–Gas Interface I. Gladich et al. 10.1021/acs.jpclett.0c00633
- An unexpected large continental source of reactive bromine and chlorine with significant impact on wintertime air quality X. Peng et al. 10.1093/nsr/nwaa304
- Complexities of Photosensitization in Atmospheric Particles Z. Liang et al. 10.1021/acsestair.4c00112
- Photoinduced Reactions of Nitrate in Aqueous Microdroplets by Triplet Energy Transfer P. Kim et al. 10.1021/acs.jpclett.3c02178
- Enhanced Sulfate Formation through Synergistic Effects of Chlorine Chemistry and Photosensitization in Atmospheric Particles R. Zhang & C. Chan 10.1021/acsestair.3c00030
- Photolytic radical persistence due to anoxia in viscous aerosol particles P. Alpert et al. 10.1038/s41467-021-21913-x
- Aging of Atmospheric Brown Carbon Aerosol R. Hems et al. 10.1021/acsearthspacechem.0c00346
- Characterization of Imidazole Compounds in Aqueous Secondary Organic Aerosol Generated from Evaporation of Droplets Containing Pyruvaldehyde and Inorganic Ammonium X. Lin et al. 10.3390/atmos13060970
Latest update: 06 May 2025
Short summary
Oxidation of bromide and iodide is an important process in the troposphere that leads to gas-phase halogen compounds which impact the oxidation capacity of the atmosphere. Imidazole-2-carboxaldehyde (IC), an aromatic carbonyl, is a product of the multiphase chemistry of glyoxal (an oxidation product of isoprene), a major biogenic volatile organic compound. In this study we demonstrate that IC photochemistry leads to efficient oxidation of bromide and iodide and liberation of halogen compounds.
Oxidation of bromide and iodide is an important process in the troposphere that leads to...
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