Aerosol Research
Aerosol Research
Aerosol Research
Articles | Volume 2, issue 2
Articles | Volume 2, issue 2
https://doi.org/10.5194/ar-2-343-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ar-2-343-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 2, issue 2
Research article
 | 
19 Dec 2024
Research article |  | 19 Dec 2024

Cloud drop activation of insoluble aerosols aided by film-forming surfactants

Ari Laaksonen

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Latest update: 02 May 2026
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Short summary
Insoluble aerosol particles such as minerals and black carbon can trigger freezing inside clouds, which leads to rain formation. However, both particle types are relatively poor nuclei for cloud droplets. In this work, theoretical calculations are presented about the ability of surface-tension-reducing compounds to promote cloud drop formation around insoluble aerosols. The calculations indicate that such surfactants can be efficient in “smuggling” insoluble particles into cloud droplets.
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