Articles | Volume 4, issue 2
https://doi.org/10.5194/ar-4-397-2026
https://doi.org/10.5194/ar-4-397-2026
Research article
 | 
07 Sep 2026
Research article |  | 07 Sep 2026

Atmospheric new particle formation enhanced by tricarboxylic acids

Astrid Nørskov Pedersen, Yosef Knattrup, and Jonas Elm

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Short summary
We investigated the new particle formation (NPF) potential of three atmospherically relevant oxygenated organic molecules (OOMs) using high-level computational methods. Cluster thermodynamics and formation rates were evaluated for systems containing sulfuric acid and various nitrogen bases. All three OOMs enhanced cluster formation, with dimethylamine-containing clusters showing the greatest effect. Pinyl diaterpenylic ester formed the most stable clusters due to its molecular flexibility.
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