Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 1
Articles | Volume 26, issue 1
https://doi.org/10.5194/acp-26-477-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-477-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 1
Research article
 | 
08 Jan 2026
Research article |  | 08 Jan 2026

Mechanistic insights into I2O5 heterogeneous hydrolysis and its role in iodine aerosol growth in pristine and polluted atmospheres

Xiucong Deng, An Ning, Ling Liu, Fengyang Bai, Jie Yang, Jing Li, Jiarong Liu, and Xiuhui Zhang

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Short summary
I2O5 is known as a significant contributor to marine aerosol, yet the chemical mechanism remains unclear. The atmospheric complexity arises from intricate coupling effects between I2O5 and diverse chemical species. We performed Born-Oppenheimer molecular dynamics to elucidate the I2O5 hydrolysis mechanisms mediated by prevalent chemicals at the air-water interface. The proposed heterogeneous reactions provides molecular-level insight into the role of I2O5 in the atmospheric iodine chemistry.
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