Articles | Volume 19, issue 6
https://doi.org/10.5194/acp-19-4061-2019
© 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-19-4061-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Insights into the O : C-dependent mechanisms controlling the evaporation of α-pinene secondary organic aerosol particles
Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
Andrew T. Lambe
Aerodyne Research Inc., Billerica, MA, USA
Arttu Ylisirniö
Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
Olli-Pekka Tikkanen
Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
Celia Faiola
Department of Ecology and Evolutionary Biology, University of California, Irvine, CA, USA
Eetu Kari
Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
Liqing Hao
Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
Olli Luoma
Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
Wei Huang
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Claudia Mohr
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Department of Environmental Science and Analytical Chemistry, Stockholm University, Stockholm, Sweden
Douglas R. Worsnop
Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
Aerodyne Research Inc., Billerica, MA, USA
Sergey A. Nizkorodov
Department of Chemistry, University of California, Irvine, CA, USA
Taina Yli-Juuti
Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
Siegfried Schobesberger
Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
Annele Virtanen
Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
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Latest update: 24 Nov 2025
Short summary
We studied the evaporation of α-pinene secondary organic aerosol particles in clean air to derive their volatility from the observed size changes. We found that the particles became more resilient to evaporation with increased oxidative age, possibly increasing their lifetime in the atmosphere. Also, increased relative humidity increased the particle evaporation. Mass spectrometry measurements of the particles at different stages of evaporation revealed some water-induced composition changes.
We studied the evaporation of α-pinene secondary organic aerosol particles in clean air to...
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