Highly Oxygenated Organic Molecules (HOM) from Gas-Phase Autoxidation Involving Peroxy Radicals: A Key Contributor to Atmospheric Aerosol
By Theo Kurtén, M. Riva, C. Mohr, M. Rissanen, P. Roldin, T. Berndt, J. Crounse, Paul O. Wennberg, T. Mentel, J. Wildt and 8 more. Chemical Reviews, 2019
741 citations recorded by the source corpus.
Highly oxygenated organic molecules (HOM) are formed in the atmosphere via autoxidation involving peroxy radicals arising from volatile organic compounds (VOC). HOM condense on pre-existing particles and can be involved in new particle formation. HOM thus contribute to the formation of secondary organic aerosol (SOA), a significant and ubiquitous component of atmospheric aerosol known to affect the Earth’s radiation balance. HOM were discovered only very recently, but the interest in these compounds has grown rapidly. In this Review, we define HOM and describe the currently available techniques for their identification/quantification, followed by a summary of the current knowledge on their formation mechanisms and physicochemical properties. A main aim is to provide a common frame for the currently quite fragmented literature on HOM studies. Finally, we highlight the existing gaps in our understanding and suggest directions for future HOM research.
Subfields: Atmospheric Science, Health, Toxicology and Mutagenesis
View Paper: https://www.semanticscholar.org/paper/03155ff3aad488f279ad6e7579df8a93be2c11c7
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Citations in the corpus
- Modeling the formation and growth of atmospheric molecular clusters: A review (2020, background): “While it should perform well compared to experimental results, the M06-2X has been found to severely over-predict the binding energy of clusters consisting of sulfuric acid and highly oxidized organic molecules (HOMs) (Elm et al., 2015; Elm, Myllys et al., 2016) compared to Coupled Cluster methods.”