Articles | Volume 18, issue 23
https://doi.org/10.5194/amt-18-7337-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-18-7337-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
03 Dec 2025
Research article |
| 03 Dec 2025
| 03 Dec 2025
Identification of micro-dynamics phase transition processes for ammonium sulfate aerosols by two-dimensional correlation spectroscopy
Xiuli Wei
Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
School of Environmental Science and Optoeclectronic Technology, University of Science and Technology of China, Hefei 230026, China
Xiaofeng Lu
Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
School of Environmental Science and Optoeclectronic Technology, University of Science and Technology of China, Hefei 230026, China
Huaqiao Gui
CORRESPONDING AUTHOR
Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
School of Environmental Science and Optoeclectronic Technology, University of Science and Technology of China, Hefei 230026, China
Institute of Environmental Hefei Comprehensive National Science Center, Hefei 230088, China
Jie Wang
Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
Dexia Wu
Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
Jianguo Liu
Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
School of Environmental Science and Optoeclectronic Technology, University of Science and Technology of China, Hefei 230026, China
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Short summary
We propose a novel method which is accurate in identification of micro-dynamics phase transition processes for ammonium sulfate aerosols by using two-dimensional correlation spectroscopy. we explore more sophisticated structural evolution patterns and the precise sequence of hydrogen-bonding rearrangements. These findings deepen the mechanistic understanding of aerosol phase transitions at the molecular scale, which could inspire new research directions in atmospheric heterogeneous chemistry.
We propose a novel method which is accurate in identification of micro-dynamics phase transition...
