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Highly Oxygenated Organic Molecules (HOM) from Gas-Phase Autoxidation Involving Peroxy Radicals : A Key Contributor to Atmospheric Aerosol

Bianchi, Federico ; Kurtén, Theo ; Riva, Matthieu ; Mohr, Claudia ; Rissanen, Matti P. ; Roldin, Pontus LU ; Berndt, Torsten ; Crounse, John D. ; Wennberg, Paul O. and Mentel, Thomas F. , et al. (2019) In Chemical Reviews 119(6). p.3472-3509
Abstract

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... (More)

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.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Chemical Reviews
volume
119
issue
6
pages
38 pages
publisher
The American Chemical Society (ACS)
external identifiers
  • pmid:30799608
  • scopus:85062513494
ISSN
0009-2665
DOI
10.1021/acs.chemrev.8b00395
language
English
LU publication?
yes
id
c85b71cc-d4da-4b50-9c3d-2ce6675de0e6
date added to LUP
2019-03-19 09:00:15
date last changed
2024-11-28 01:21:43
@article{c85b71cc-d4da-4b50-9c3d-2ce6675de0e6,
  abstract     = {{<p>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.</p>}},
  author       = {{Bianchi, Federico and Kurtén, Theo and Riva, Matthieu and Mohr, Claudia and Rissanen, Matti P. and Roldin, Pontus and Berndt, Torsten and Crounse, John D. and Wennberg, Paul O. and Mentel, Thomas F. and Wildt, Jürgen and Junninen, Heikki and Jokinen, Tuija and Kulmala, Markku and Worsnop, Douglas R. and Thornton, Joel A. and Donahue, Neil and Kjaergaard, Henrik G. and Ehn, Mikael}},
  issn         = {{0009-2665}},
  language     = {{eng}},
  number       = {{6}},
  pages        = {{3472--3509}},
  publisher    = {{The American Chemical Society (ACS)}},
  series       = {{Chemical Reviews}},
  title        = {{Highly Oxygenated Organic Molecules (HOM) from Gas-Phase Autoxidation Involving Peroxy Radicals : A Key Contributor to Atmospheric Aerosol}},
  url          = {{http://dx.doi.org/10.1021/acs.chemrev.8b00395}},
  doi          = {{10.1021/acs.chemrev.8b00395}},
  volume       = {{119}},
  year         = {{2019}},
}