Articles | Volume 20, issue 5
https://doi.org/10.5194/acp-20-2781-2020
https://doi.org/10.5194/acp-20-2781-2020
Research article
 | 
06 Mar 2020
Research article |  | 06 Mar 2020

Morphology and size of the particles emitted from a gasoline-direct-injection-engine vehicle and their ageing in an environmental chamber

Jiaoping Xing, Longyi Shao, Wenbin Zhang, Jianfei Peng, Wenhua Wang, Shijin Shuai, Min Hu, and Daizhou Zhang

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Latest update: 19 Feb 2024
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Short summary
Our results highlight the contribution of gasoline-direct-injection (GDI) vehicles to aerosols, both primary and secondary. The major particles from GDI vehicles are organic and soot particles; they actively participate in chemical conversions in the atmosphere, leading to morphology and composition changes in hours. Rapid ageing could be attributable to the acid-catalysed mechanism and high concentrations of gaseous pollutants. These results would be beneficial for control of PM2.5 pollution.
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