Articles | Volume 20, issue 12
Atmos. Chem. Phys., 20, 7359–7372, 2020
https://doi.org/10.5194/acp-20-7359-2020

Special issue: The CERN CLOUD experiment (ACP/AMT inter-journal SI)

Atmos. Chem. Phys., 20, 7359–7372, 2020
https://doi.org/10.5194/acp-20-7359-2020

Research article 25 Jun 2020

Research article | 25 Jun 2020

Enhanced growth rate of atmospheric particles from sulfuric acid

Dominik Stolzenburg et al.

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Latest update: 17 Oct 2021
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Short summary
Sulfuric acid is a major atmospheric vapour for aerosol formation. If new particles grow fast enough, they can act as cloud droplet seeds or affect air quality. In a controlled laboratory set-up, we demonstrate that van der Waals forces enhance growth from sulfuric acid. We disentangle the effects of ammonia, ions and particle hydration, presenting a complete picture of sulfuric acid growth from molecular clusters onwards. In a climate model, we show its influence on the global aerosol budget.
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