Articles | Volume 26, issue 6
https://doi.org/10.5194/acp-26-4423-2026
https://doi.org/10.5194/acp-26-4423-2026
Research article
 | 
01 Apr 2026
Research article |  | 01 Apr 2026

Mechanistic insights into marine boundary layer nucleation: synergistic interactions of typical sulfur, iodine, and nitrogen precursors

Jing Li, An Ning, Ling Liu, Xiucong Deng, and Xiuhui Zhang

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Cited articles

Baccarini, A., Karlsson, L., Dommen, J., Duplessis, P., Vullers, J., Brooks, I. M., Saiz-Lopez, A., Salter, M., Tjernstrom, M., Baltensperger, U., Zieger, P., and Schmale, J.: Frequent new particle formation over the high Arctic pack ice by enhanced iodine emissions, Nat. Commun., 11, 4924, https://doi.org/10.1038/s41467-020-18551-0, 2020. 
Berresheim, H., Elste, T., Rosman, K., Dal Maso, M., Tremmel, H. G., Mäkelä, J. M., Allen, A. G., Kulmala, M., and Hansson, H.-C.: Gas-aerosol relationships of H2SO4, MSA, and OH: Observations in the coastal marine boundary layer at Mace Head, Ireland, J. Geophys. Res.-Atmos., 107, PAR 5-1–PAR 5-12, https://doi.org/10.1029/2000jd000229, 2002. 
Bork, N., Elm, J., Olenius, T., and Vehkamäki, H.: Methane sulfonic acid-enhanced formation of molecular clusters of sulfuric acid and dimethyl amine, Atmos. Chem. Phys., 14, 12023–12030, https://doi.org/10.5194/acp-14-12023-2014, 2014. 
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Short summary
Marine new particle formation involves precursors such as methanesulfonic acid (MSA), iodic acid (IA), and dimethylamine (DMA), yet their nucleation mechanism remains incompletely understood. This study employs theoretical calculations to examine the IA–MSA–DMA system. We propose a nucleation mechanism that underscores the importance of synergistic interactions between sulfur-, iodine-, and nitrogen-containing vapors in driving marine new particle formation.
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