Articles | Volume 25, issue 12
https://doi.org/10.5194/acp-25-6407-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-6407-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
27 Jun 2025
Research article |
| 27 Jun 2025
| 27 Jun 2025
Spectral optical properties of soot: laboratory investigation of propane flame particles and their link to composition
Johannes Heuser
CORRESPONDING AUTHOR
Univ Paris Est Creteil and Université Paris Cité, CNRS, LISA, F-94010 Créteil, France
Claudia Di Biagio
CORRESPONDING AUTHOR
Université Paris Cité and Univ Paris Est Creteil, CNRS, LISA, 75013 Paris, France
Jérôme Yon
INSA Rouen Normandie, Univ. Rouen Normandie, CNRS, Normandie Univ., CORIA UMR 6614, 76000 Rouen, France
Mathieu Cazaunau
Univ Paris Est Creteil and Université Paris Cité, CNRS, LISA, F-94010 Créteil, France
Antonin Bergé
Université Paris Cité and Univ Paris Est Creteil, CNRS, LISA, 75013 Paris, France
now at: Laboratoire des Sciences du Climat et de l'Environnement, CEA–CNRS–UVSQ, IPSL, Université Paris-Saclay, 91191 Gif-sur-Yvette, France
Edouard Pangui
Univ Paris Est Creteil and Université Paris Cité, CNRS, LISA, F-94010 Créteil, France
Marco Zanatta
Univ Paris Est Creteil and Université Paris Cité, CNRS, LISA, F-94010 Créteil, France
Institute of Atmospheric Sciences and Climate, National Research Council of Italy, Bologna, Italy
Laura Renzi
Institute of Atmospheric Sciences and Climate, National Research Council of Italy, Bologna, Italy
Angela Marinoni
Institute of Atmospheric Sciences and Climate, National Research Council of Italy, Bologna, Italy
Satoshi Inomata
Earth System Division, National Institute for Environmental Studies, Tsukuba, Japan
Chenjie Yu
Université Paris Cité and Univ Paris Est Creteil, CNRS, LISA, 75013 Paris, France
Vera Bernardoni
Department of Physics, Università degli Studi di Milano and National Institute of Nuclear Physics INFN-Milan, Milan, 20133, Italy
Servanne Chevaillier
Univ Paris Est Creteil and Université Paris Cité, CNRS, LISA, F-94010 Créteil, France
Daniel Ferry
Aix Marseille Univ., CNRS, CINaM, Marseille, France
Paolo Laj
Univ. Grenoble Alpes, IRD, CNRS, INRAE, Grenoble INP, IGE, 38000 Grenoble, France
now at: World Meteorological Organization, Geneva, Switzerland
Michel Maillé
Univ Paris Est Creteil and Université Paris Cité, CNRS, LISA, F-94010 Créteil, France
Dario Massabò
Department of Physics, University of Genoa, Via Dodecaneso 33, 16146, Genoa, Italy
National Institute of Nuclear Physics, INFN-Genoa, via Dodecaneso 33, 16146, Genoa, Italy
Federico Mazzei
Department of Physics, University of Genoa, Via Dodecaneso 33, 16146, Genoa, Italy
National Institute of Nuclear Physics, INFN-Genoa, via Dodecaneso 33, 16146, Genoa, Italy
Gael Noyalet
Université Paris Cité and Univ Paris Est Creteil, CNRS, LISA, 75013 Paris, France
Hiroshi Tanimoto
Earth System Division, National Institute for Environmental Studies, Tsukuba, Japan
Brice Temime-Roussel
Aix Marseille Univ., CNRS, LCE, Marseille, France
Roberta Vecchi
Department of Physics, Università degli Studi di Milano and National Institute of Nuclear Physics INFN-Milan, Milan, 20133, Italy
Virginia Vernocchi
National Institute of Nuclear Physics, INFN-Genoa, via Dodecaneso 33, 16146, Genoa, Italy
Paola Formenti
Université Paris Cité and Univ Paris Est Creteil, CNRS, LISA, 75013 Paris, France
Bénédicte Picquet-Varrault
Univ Paris Est Creteil and Université Paris Cité, CNRS, LISA, F-94010 Créteil, France
Jean-François Doussin
Univ Paris Est Creteil and Université Paris Cité, CNRS, LISA, F-94010 Créteil, France
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Short summary
The spectral optical properties of combustion soot aerosols with varying black (BC) and brown carbon (BrC) content were studied in an atmospheric simulation chamber. Measurements of the mass spectral absorption cross section (MAC), supplemented by literature data, allowed us to establish a generalised exponential relationship between the spectral absorption and the elemental-to-total-carbon ratio (EC / TC) in soot. This relationship can provide a useful tool for modelling the properties of soot.
The spectral optical properties of combustion soot aerosols with varying black (BC) and brown...
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