The synergy of morphology and mixing state on the absorption of coated black carbon soot

Heuser, Johannes; Di Biagio, Claudia; Yon, Jérôme; Cazaunau, Mathieu; Bergé, Antonin; Pangui, Edouard; Zanatta, Marco; Renzi, Laura; Marinoni, Angela; Yu, Chenjie; Chevaillier, Servanne; Ferry, Daniel; Laj, Paolo; Maillé, Michel; Formenti, Paola; Picquet-Varrault, Benedicte; Doussin, Jean-Francois

doi:10.5194/acp-26-15831-2026

Articles | Volume 26, issue 21

https://doi.org/10.5194/acp-26-15831-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-26-15831-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 26, issue 21

Research article

|

11 Nov 2026

Research article |

| 11 Nov 2026

The synergy of morphology and mixing state on the absorption of coated black carbon soot

Johannes Heuser, Claudia Di Biagio, Jérôme Yon, Mathieu Cazaunau, Antonin Bergé, Edouard Pangui, Marco Zanatta, Laura Renzi, Angela Marinoni, Chenjie Yu, Servanne Chevaillier, Daniel Ferry, Paolo Laj, Michel Maillé, Paola Formenti, Benedicte Picquet-Varrault, and Jean-Francois Doussin

Supplement

https://doi.org/10.5194/acp-26-15831-2026-supplement

Data sets

Soot + sulfuric acid + None - Aerosol study - optical properties - 2021-03-03 J. Heuser et al. https://doi.org/10.25326/76FN-TA55

Soot + sulfuric acid + O3 - Aerosol study - optical properties - 2021-03-04 V1.1 Public J. Heuser et al. https://doi.org/10.25326/PWHP-ED62

Soot + sulfuric acid + O3 - Aerosol study - optical properties - 2021-03-09 J. Heuser et al. https://doi.org/10.25326/A18P-JF85

Soot + alpha-pinene + O3 - Aerosol study - optical properties - 2021-05-18 J. Heuser et al. https://doi.org/10.25326/AK6B-ZA08

Soot + alpha-pinene + O3 - Aerosol study - optical properties - 2021-05-20 J. Heuser et al. https://doi.org/10.25326/N7S0-S115

Soot + alpha-pinene + O3 - Aerosol study - optical properties - 2021-05-26 J. Heuser et al. https://doi.org/10.25326/BGRM-3554

Soot + None - Aerosol study - optical properties - 2021-02-23 J. Heuser et al. https://doi.org/10.25326/8KVR-AA70

Soot + None - Aerosol study - optical properties - 2021-02-24 J. Heuser et al. https://doi.org/10.25326/M24W-V933

Soot + None - Aerosol study - optical properties - 2021-05-17 J. Heuser et al. https://doi.org/10.25326/2QRB-4E45

Soot + None - Aerosol study - optical properties - 2021-05-19 J. Heuser et al. https://doi.org/10.25326/8HT1-WA13

Soot + None - Aerosol study - optical properties - 2021-02-26 J. Heuser et al. https://doi.org/10.25326/WN6E-0272

Soot + None - Aerosol study - optical properties - 2021-03-01 J. Heuser et al. https://doi.org/10.25326/EAQE-VX80

Soot + O3 - Aerosol study - optical properties - 2021-03-02 J. Heuser et al. https://doi.org/10.25326/JRAC-4W36

Soot + O3 - Aerosol study - optical properties - 2022-12-12 J. Heuser et al. https://doi.org/10.25326/2BD3-Q151

Soot + O3 - Aerosol study - optical properties - 2022-12-14 J. Heuser et al. https://doi.org/10.25326/9G66-MG61

Soot + O3 - Aerosol study - optical properties - 2022-12-15 J. Heuser et al. https://doi.org/10.25326/XJKP-JD08

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Short summary

Large simulation chamber experiments were performed to investigate the impact of non-absorbing coating on the absorption of fractal BC-containing soot. Results show the strong and combined effect of morphological modifications and mixing state heterogeneity on BC absorption, both depending on the reaction dynamics of coating formation and ageing of the coated soot. The range of measured absorption cannot be captured by common model approximations, highlighting the need for new formalisms.