Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 16, issue 4
Articles | Volume 16, issue 4
https://doi.org/10.5194/acp-16-2641-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-16-2641-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 16, issue 4
Research article
 | 
03 Mar 2016
Research article |  | 03 Mar 2016

Nucleation and growth of sub-3 nm particles in the polluted urban atmosphere of a megacity in China

Huan Yu, Luyu Zhou, Liang Dai, Wenchao Shen, Wei Dai, Jun Zheng, Yan Ma, and Mindong Chen

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Short summary
New particle formation is an important source of atmospheric aerosols. We conducted size- and time-dependent nucleation rate and growth rate measurements of sub-3 nm particles in the urban atmosphere. We observed that growth rate could be very high between 1 and 3 nm and did not increase monotonically with particle size. This was interpreted as the solvation effect of organic vapor in inorganic nuclei. The growth rate behavior gives new insight into cluster dynamics in polluted environments.
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