Articles | Volume 9, issue 4
https://doi.org/10.5194/amt-9-1833-2016
https://doi.org/10.5194/amt-9-1833-2016
Research article
 | 
27 Apr 2016
Research article |  | 27 Apr 2016

Measuring the morphology and density of internally mixed black carbon with SP2 and VTDMA: new insight into the absorption enhancement of black carbon in the atmosphere

Yuxuan Zhang, Qiang Zhang, Yafang Cheng, Hang Su, Simonas Kecorius, Zhibin Wang, Zhijun Wu, Min Hu, Tong Zhu, Alfred Wiedensohler, and Kebin He

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Short summary
We develop a novel method in this work for in situ measurements of the morphology and effective density of ambient In-BC cores using a volatility tandem differential mobility analyzer and a single-particle soot photometer. We find that In-BC cores hardly transform the morphology of BC into a void-free sphere. Taking the morphology and density of ambient In-BC cores into account, our work provides a new insight into the enhancement of light absorption for In-BC particles in the atmosphere.