Laboratory observation of oligomers in the aerosol from isoprene/NOₓ photooxidation

dc.contributor.authorDommen, Josef
dc.contributor.authorMetzger, Axel
dc.contributor.authorDuplissy, Jonathan
dc.contributor.authorKalberer, Markus
dc.contributor.authorAlfarra, M. Rami
dc.contributor.authorGascho, Astrid
dc.contributor.authorWeingartner, Ernest
dc.contributor.authorPrévôt, André S.H.
dc.contributor.authorVerheggen, Bart
dc.contributor.authorBaltensperger, Urs
dc.date.accessioned2024-08-14T07:24:54Z
dc.date.available2024-08-14T07:24:54Z
dc.date.issued2006
dc.description.abstractCompounds assigned to be oxidation products of isoprene (2-methyl-1,3-butadiene) have recently been observed in ambient aerosols, suggesting that isoprene might play an important role in secondary organic aerosol (SOA) formation due to its large global source strength. SOA yields from photooxidation of isoprene and NOₓ in a chamber agree fairly well with previous data. Matrix assisted laser desorption/ionization mass spectrometry showed the formation of high molecular weight compounds over the course of 15-hour experiments. Concurrently, the volatility of the SOA decreased markedly as observed by a tandem differential mobility analyzer. The volume fraction remaining of SOA at 150°C increased steadily from 5 to 25% during the same experiments. These observations are attributed to oligomerization reactions occurring in the aerosol phase. Under dry conditions a lower volatility was observed.
dc.identifier.doi10.1029/2006gl026523
dc.identifier.issn0094-8276
dc.identifier.issn1944-8007
dc.identifier.urihttps://irf.fhnw.ch/handle/11654/46726
dc.issue13
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofGeophysical Research Letters
dc.spatialHoboken
dc.subject.ddc550 - Geowissenschaften
dc.titleLaboratory observation of oligomers in the aerosol from isoprene/NOₓ photooxidation
dc.type01A - Beitrag in wissenschaftlicher Zeitschrift
dc.volume33
dspace.entity.typePublication
fhnw.InventedHereNo
fhnw.ReviewTypeAnonymous ex ante peer review of a complete publication
fhnw.affiliation.hochschuleHochschule für Technikde_CH
fhnw.affiliation.institutlnstitut für Sensorik und Elektronikde_CH
fhnw.openAccessCategoryClosed
fhnw.publicationStatePublished
relation.isAuthorOfPublication05dd9a19-7a24-4325-805a-2d121483b168
relation.isAuthorOfPublication.latestForDiscovery05dd9a19-7a24-4325-805a-2d121483b168
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