Articles | Volume 24, issue 6
https://doi.org/10.5194/acp-24-3593-2024
https://doi.org/10.5194/acp-24-3593-2024
Research article
 | 
22 Mar 2024
Research article |  | 22 Mar 2024

Organosulfate produced from consumption of SO3 speeds up sulfuric acid–dimethylamine atmospheric nucleation

Xiaomeng Zhang, Yongjian Lian, Shendong Tan, and Shi Yin

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Short summary
Atmospheric new particle formation (NPF) has a significant influence on the global climate, local air quality and human health. Using a combination of quantum chemical calculations and kinetics modeling, we find that thhe gas-phase organosulfate produced from consumption of SO3 can significantly enhance SA–DMA nucleation in the polluted boundary layer, resulting in non-negligible contributions to NPF. Our findings provide important insights into organic sulfur in atmospheric aerosol formation.
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