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

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

doi:https://doi.org/10.5194/amt-9-1833-2016

Articles | Volume 9, issue 4

https://doi.org/10.5194/amt-9-1833-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/amt-9-1833-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 9, issue 4

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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Final revised paper (published on 27 Apr 2016)
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Preprint (discussion started on 18 Nov 2015)
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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC C4118: 'Measuring morphology and density of internally mixed black carbon with SP2 and VTDMA: new insight to absorption enhancement of black carbon in the atmosphere', Anonymous Referee #1, 29 Nov 2015
- AC C5656: 'Reply to referee #1', Yuxuan Zhang, 10 Mar 2016
RC C4803: 'Referee comments', Anonymous Referee #2, 10 Jan 2016
- AC C5657: 'Reply to referee #2', Yuxuan Zhang, 10 Mar 2016

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.