Articles | Volume 9, issue 4
Atmos. Meas. Tech., 9, 1833–1843, 2016
https://doi.org/10.5194/amt-9-1833-2016
Atmos. Meas. Tech., 9, 1833–1843, 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 et al.

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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.