ArticleProceedings of the National Academy of Sciences of the United States of America2021
Coexistence of three liquid phases in individual atmospheric aerosol particles.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed.
- Molecular Origins of the Optical Response of Nile Red in Model Aerosol Aqueous Ionic Environments.The journal of physical chemistry. A · 2026Article
- Surprising Crystallinity of Biomass Burning Secondary Organic Aerosol from Catechol and Nitrate Radical Reactions: Evidence and Possible Implications.Environmental science & technology · 2025Article
- Ratiometric Optical Sensing of Aerosol Phase State with Excited-State Intramolecular Proton Transfer Probes.Analytical chemistry · 2025Article
- Aerosol Fluorescent Labeling via Probe Molecule Volatilization.Analytical chemistry · 2024Article
- Probing the evaporation dynamics of semi-volatile organic compounds to reveal the thermodynamics of liquid-liquid phase separated aerosol.Chemical science · 2024Article
- Top-down versus bottom-up oxidation of a neonicotinoid pesticide by OH radicals.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Effect of the Addition of Diblock Copolymer Nanoparticles on the Evaporation Kinetics and Final Particle Morphology for Drying Aqueous Aerosol Droplets.Langmuir : the ACS journal of surfaces and colloids · 2024Article
- Liquid-Liquid Phase Separation Can Drive Aerosol Droplet Growth in Supersaturated Regimes.ACS environmental Au · 2023Article
- Exposure to urban nanoparticles at low PM[Formula: see text] concentrations as a source of oxidative stress and inflammation.Scientific reports · 2023Article
- Article
- Revealing the Impacts of Chemical Complexity on Submicrometer Sea Spray Aerosol Morphology.ACS central science · 2023Article
- Predicting the environmental fates of emerging contaminants: Synergistic effects in ozone reactions of nitrogen-containing alkenes.Science advances · 2023Article
- Comparison of Phase States of PMEnvironmental science & technology · 2022Article
- Effects of Nitrogen Oxides on the Production of Reactive Oxygen Species and Environmentally Persistent Free Radicals from α-Pinene and Naphthalene Secondary Organic Aerosols.The journal of physical chemistry. A · 2022Article
- Exploring the Nanostructures Accessible to an Organic Surfactant Atmospheric Aerosol Proxy.The journal of physical chemistry. A · 2022Article
- Phase Behavior of Internal Mixtures of Hydrocarbon-like Primary Organic Aerosol and Secondary Aerosol Based on Their Differences in Oxygen-to-Carbon Ratios.Environmental science & technology · 2022Article
- Emissions of Carbonaceous Particulate Matter and Ultrafine Particles from Vehicles-A Scientific Review in a Cross-Cutting Context of Air Pollution and Climate Change.Applied sciences (Basel, Switzerland) · 2022Article
- Advancing the science of dynamic airborne nanosized particles using Nano-DIHM.Communications chemistry · 2021Article
- Dynamics and Sorption Kinetics of Methanol Monomers and Clusters on Nopinone Surfaces.The journal of physical chemistry. A · 2021Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Individual atmospheric particles can contain mixtures of primary organic aerosol (POA), secondary organic aerosol (SOA), and secondary inorganic aerosol (SIA). To predict the role of such complex multicomponent particles in air quality and climate, information on the number and types of phases present in the particles is needed. However, the phase behavior of such particles has not been studied in the laboratory, and as a result, remains poorly constrained. Here, we show that POA+SOA+SIA particles can contain three distinct liquid phases: a low-polarity organic-rich phase, a higher-polarity organic-rich phase, and an aqueous inorganic-rich phase. Based on our results, when the elemental oxygen-to-carbon (O:C) ratio of the SOA is less than 0.8, three liquid phases can coexist within the same particle over a wide relative humidity range. In contrast, when the O:C ratio of the SOA is greater than 0.8, three phases will not form. We also demonstrate, using thermodynamic and kinetic modeling, that the presence of three liquid phases in such particles impacts their equilibration timescale with the surrounding gas phase. Three phases will likely also impact their ability to act as nuclei for liquid cloud droplets, the reactivity of these particles, and the mechanism of SOA formation and growth in the atmosphere. These observations provide fundamental information necessary for improved predictions of air quality and aerosol indirect effects on climate.
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