Articles | Volume 21, issue 13
https://doi.org/10.5194/acp-21-10199-2021
© Author(s) 2021. 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-21-10199-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
07 Jul 2021
Research article |
| 07 Jul 2021
| 07 Jul 2021
Estimation of secondary organic aerosol viscosity from explicit modeling of gas-phase oxidation of isoprene and α-pinene
Tommaso Galeazzo
Department of Chemistry, University of California Irvine, Irvine, CA 92625, USA
Richard Valorso
Univ Paris Est Creteil and Université de Paris, CNRS, LISA, 94010 Créteil, France
Department of Chemistry, University of California Irvine, Irvine, CA 92625, USA
Marie Camredon
Univ Paris Est Creteil and Université de Paris, CNRS, LISA, 94010 Créteil, France
Bernard Aumont
Univ Paris Est Creteil and Université de Paris, CNRS, LISA, 94010 Créteil, France
Department of Chemistry, University of California Irvine, Irvine, CA 92625, USA
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Cited
19 citations as recorded by crossref.
- Organic acid evaporation kinetics from aqueous aerosols: implications for aerosol buffering capacity in the atmosphere K. Angle et al. 10.1039/D2EA00092J
- Secondary organic aerosols derived from intermediate-volatility n-alkanes adopt low-viscous phase state T. Galeazzo et al. 10.5194/acp-24-5549-2024
- Species-specific effect of particle viscosity and particle-phase reactions on the formation of secondary organic aerosol Z. Luo et al. 10.1016/j.scitotenv.2024.175207
- In situ analysis of single secondary organic aerosol from the ozonolysis of α-pinene using laser trapping and Raman spectroscopy N. Tyumyo et al. 10.1016/j.chemosphere.2025.144581
- Machine-Learning-Based Prediction of the Glass Transition Temperature of Organic Compounds Using Experimental Data G. Armeli et al. 10.1021/acsomega.2c08146
- CAMx–UNIPAR simulation of secondary organic aerosol mass formed from multiphase reactions of hydrocarbons under the Central Valley urban atmospheres of California Y. Jo et al. 10.5194/acp-24-487-2024
- Enhanced Organic Nitrate Formation from Peroxy Radicals in the Condensed Phase V. Barber et al. 10.1021/acs.estlett.4c00473
- Distinct Gas-Particle Partitioning and Viscosity Characteristics of Secondary Organic Aerosols Derived from α-Pinene versus Ocimene Q. Xie et al. 10.1021/acsestair.5c00108
- Molecular Insights into Gas–Particle Partitioning and Viscosity of Atmospheric Brown Carbon Q. Xie et al. 10.1021/acs.est.4c05650
- Chemical composition of nanoparticles from α-pinene nucleation and the influence of isoprene and relative humidity at low temperature L. Caudillo et al. 10.5194/acp-21-17099-2021
- Modelling ultrafine particle growth in a flow tube reactor M. Taylor Jr. et al. 10.5194/amt-15-4663-2022
- Volatility Basis Set Distributions and Viscosity of Organic Aerosol Mixtures: Insights from Chemical Characterization Using Temperature-Programmed Desorption–Direct Analysis in Real-Time High-Resolution Mass Spectrometry Q. Xie et al. 10.1021/acs.analchem.4c01003
- Nonequilibrium Behavior in Isoprene Secondary Organic Aerosol Y. Chen et al. 10.1021/acs.est.3c03532
- Estimating viscosity of individual substrate-deposited particles from measurements of their height-to-width ratios F. Rivera-Adorno et al. 10.1080/02786826.2023.2270503
- Molecular Characterization of Composition and Volatility of Ambient Organic Aerosol Sampled by an UAV-Mounted Portable Aethalometer Q. Xie et al. 10.1021/acs.analchem.5c03027
- Sunlight can convert atmospheric aerosols into a glassy solid state and modify their environmental impacts V. Baboomian et al. 10.1073/pnas.2208121119
- Impact of aging on the sources, volatility, and viscosity of organic aerosols in Chinese outflows T. Feng et al. 10.5194/acp-23-611-2023
- Effects of Nitrogen Oxides on the Production of Reactive Oxygen Species and Environmentally Persistent Free Radicals from α-Pinene and Naphthalene Secondary Organic Aerosols K. Edwards et al. 10.1021/acs.jpca.2c05532
- The phase state and viscosity of organic aerosol and related impacts on atmospheric physicochemical processes: A review Y. Gou et al. 10.1016/j.atmosenv.2024.120985
19 citations as recorded by crossref.
- Organic acid evaporation kinetics from aqueous aerosols: implications for aerosol buffering capacity in the atmosphere K. Angle et al. 10.1039/D2EA00092J
- Secondary organic aerosols derived from intermediate-volatility n-alkanes adopt low-viscous phase state T. Galeazzo et al. 10.5194/acp-24-5549-2024
- Species-specific effect of particle viscosity and particle-phase reactions on the formation of secondary organic aerosol Z. Luo et al. 10.1016/j.scitotenv.2024.175207
- In situ analysis of single secondary organic aerosol from the ozonolysis of α-pinene using laser trapping and Raman spectroscopy N. Tyumyo et al. 10.1016/j.chemosphere.2025.144581
- Machine-Learning-Based Prediction of the Glass Transition Temperature of Organic Compounds Using Experimental Data G. Armeli et al. 10.1021/acsomega.2c08146
- CAMx–UNIPAR simulation of secondary organic aerosol mass formed from multiphase reactions of hydrocarbons under the Central Valley urban atmospheres of California Y. Jo et al. 10.5194/acp-24-487-2024
- Enhanced Organic Nitrate Formation from Peroxy Radicals in the Condensed Phase V. Barber et al. 10.1021/acs.estlett.4c00473
- Distinct Gas-Particle Partitioning and Viscosity Characteristics of Secondary Organic Aerosols Derived from α-Pinene versus Ocimene Q. Xie et al. 10.1021/acsestair.5c00108
- Molecular Insights into Gas–Particle Partitioning and Viscosity of Atmospheric Brown Carbon Q. Xie et al. 10.1021/acs.est.4c05650
- Chemical composition of nanoparticles from α-pinene nucleation and the influence of isoprene and relative humidity at low temperature L. Caudillo et al. 10.5194/acp-21-17099-2021
- Modelling ultrafine particle growth in a flow tube reactor M. Taylor Jr. et al. 10.5194/amt-15-4663-2022
- Volatility Basis Set Distributions and Viscosity of Organic Aerosol Mixtures: Insights from Chemical Characterization Using Temperature-Programmed Desorption–Direct Analysis in Real-Time High-Resolution Mass Spectrometry Q. Xie et al. 10.1021/acs.analchem.4c01003
- Nonequilibrium Behavior in Isoprene Secondary Organic Aerosol Y. Chen et al. 10.1021/acs.est.3c03532
- Estimating viscosity of individual substrate-deposited particles from measurements of their height-to-width ratios F. Rivera-Adorno et al. 10.1080/02786826.2023.2270503
- Molecular Characterization of Composition and Volatility of Ambient Organic Aerosol Sampled by an UAV-Mounted Portable Aethalometer Q. Xie et al. 10.1021/acs.analchem.5c03027
- Sunlight can convert atmospheric aerosols into a glassy solid state and modify their environmental impacts V. Baboomian et al. 10.1073/pnas.2208121119
- Impact of aging on the sources, volatility, and viscosity of organic aerosols in Chinese outflows T. Feng et al. 10.5194/acp-23-611-2023
- Effects of Nitrogen Oxides on the Production of Reactive Oxygen Species and Environmentally Persistent Free Radicals from α-Pinene and Naphthalene Secondary Organic Aerosols K. Edwards et al. 10.1021/acs.jpca.2c05532
- The phase state and viscosity of organic aerosol and related impacts on atmospheric physicochemical processes: A review Y. Gou et al. 10.1016/j.atmosenv.2024.120985
Latest update: 03 Nov 2025
Short summary
We simulate SOA viscosity with explicit modeling of gas-phase oxidation of isoprene and α-pinene. While the viscosity dependence on relative humidity and mass loadings is captured well by simulations, the model underestimates measured viscosity, indicating missing processes. Kinetic limitations and reduction in mass accommodation may cause an increase in viscosity. The developed model is powerful for investigation of the interplay among gas reactions, chemical composition and phase state.
We simulate SOA viscosity with explicit modeling of gas-phase oxidation of isoprene and...
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