Articles | Volume 20, issue 13
Atmos. Chem. Phys., 20, 8123–8137, 2020
https://doi.org/10.5194/acp-20-8123-2020
Atmos. Chem. Phys., 20, 8123–8137, 2020
https://doi.org/10.5194/acp-20-8123-2020

Research article 13 Jul 2020

Research article | 13 Jul 2020

Temperature effects on optical properties and chemical composition of secondary organic aerosol derived from n-dodecane

Junling Li et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Weigang Wang on behalf of the Authors (07 May 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (14 May 2020) by Alex Lee
RR by Anonymous Referee #2 (29 May 2020)
RR by Anonymous Referee #1 (29 May 2020)
ED: Publish subject to minor revisions (review by editor) (06 Jun 2020) by Alex Lee
AR by Weigang Wang on behalf of the Authors (14 Jun 2020)  Author's response    Manuscript
ED: Publish as is (19 Jun 2020) by Alex Lee
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Short summary
Long-chain alkanes (a large fraction of diesel fuel and its exhaust) are important potential contributors of SOA. Through the analysis of the components of formed SOA, we found that low-temperature conditions promote the oligomerization of n-dodecane, and the degree of oligomerization can reach tetramerization. The presence of the oligomers enhances the light extinction of the particles. UV-scattering particles in the boundary layer can accelerate photochemical reactions and haze production.
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