Atmos. Chem. Phys. Discuss., 11, 6957-6982, 2011
www.atmos-chem-phys-discuss.net/11/6957/2011/
doi:10.5194/acpd-11-6957-2011
© Author(s) 2011. This work is distributed
under the Creative Commons Attribution 3.0 License.
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This discussion paper has been under review for the journal Atmospheric Chemistry and Physics (ACP). Please refer to the corresponding final paper in ACP.
HULIS in nanoaerosol clusters; investigations of surface tension and aggregate formation using molecular dynamics simulations
T. Hede1, X. Li2,3, C. Leck1, Y. Tu4, and H. Ågren2
1Department of Meteorology, Stockholm University, 106 91 Stockholm, Sweden
2Department of Theoretical Chemistry, School of Biotechnology, Royal Institute of Technology, 106 91 Stockholm, Sweden
3Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science and Technology, Shanghai 200237, China
4School of Science and Technology, Örebro University, 701 82 Örebro, Sweden

Abstract. Cloud condensation nuclei act as cores for water vapor condensation, and their composition and chemical properties may enhance or depress the ability for droplet growth. In this study we use molecular dynamics simulations to show that humic-like substances of larger systems (8.6 nm in diameter) mimic experimental data well referring to reduction of surface tension. The structural properties examined show the ability for the humic-like substances to aggregate inside the nanoaerosol clusters.

Citation: Hede, T., Li, X., Leck, C., Tu, Y., and Ågren, H.: HULIS in nanoaerosol clusters; investigations of surface tension and aggregate formation using molecular dynamics simulations, Atmos. Chem. Phys. Discuss., 11, 6957-6982, doi:10.5194/acpd-11-6957-2011, 2011.
 
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