The phase state and viscosity of organic aerosol and related impacts on atmospheric physicochemical processes: A review

Y Gou, M **e, J Chen - Atmospheric Environment, 2024 - Elsevier
An increasing evidence has suggested that organic aerosols (OA) may exist in a semisolid
or solid state under specific ambient conditions rather than liquid as normally assumed in …

Automatic materials characterization from infrared spectra using convolutional neural networks

G Jung, SG Jung, JM Cole - Chemical Science, 2023 - pubs.rsc.org
Infrared spectroscopy is a ubiquitous technique used to characterize unknown materials in
the form of solids, liquids, or gases by identifying the constituent functional groups of …

Predicting the influence of particle size on the glass transition temperature and viscosity of secondary organic material

M Petters, S Kasparoglu - Scientific reports, 2020 - nature.com
Atmospheric aerosols can assume liquid, amorphous semi-solid or glassy, and crystalline
phase states. Particle phase state plays a critical role in understanding and predicting …

Predicting the glass transition temperature and viscosity of secondary organic material using molecular composition

WSW DeRieux, Y Li, P Lin, J Laskin… - Atmospheric …, 2018 - acp.copernicus.org
Secondary organic aerosol (SOA) accounts for a large fraction of submicron particles in the
atmosphere. SOA can occur in amorphous solid or semi-solid phase states depending on …

Predicting secondary organic aerosol phase state and viscosity and its effect on multiphase chemistry in a regional-scale air quality model

R Schmedding, QZ Rasool, Y Zhang… - Atmospheric …, 2020 - acp.copernicus.org
Atmospheric aerosols are a significant public health hazard and have substantial impacts on
the climate. Secondary organic aerosols (SOAs) have been shown to phase separate into a …

Ion-molecule interactions enable unexpected phase transitions in organic-inorganic aerosol

DS Richards, KL Trobaugh, J Hajek-Herrera… - Science …, 2020 - science.org
Atmospheric aerosol particles are commonly complex, aqueous organic-inorganic mixtures,
and accurately predicting the properties of these particles is essential for air quality and …

Viscosity, glass formation, and mixing times within secondary organic aerosol from biomass burning phenolics

KJ Kiland, F Mahrt, L Peng, S Nikkho… - ACS Earth and Space …, 2023 - ACS Publications
Biomass burning events emit large amounts of phenolic compounds, which are oxidized in
the atmosphere and form secondary organic aerosol (SOA). Using the poke-flow technique …

Predictions of diffusion rates of large organic molecules in secondary organic aerosols using the Stokes–Einstein and fractional Stokes–Einstein relations

E Evoy, AM Maclean, G Rovelli, Y Li… - Atmospheric …, 2019 - acp.copernicus.org
Abstract Information on the rate of diffusion of organic molecules within secondary organic
aerosol (SOA) is needed to accurately predict the effects of SOA on climate and air quality …

High Viscosity and Two Phases Observed over a Range of Relative Humidities in Biomass Burning Organic Aerosol from Canadian Wildfires

NGA Gerrebos, J Zaks, FKA Gregson… - Environmental …, 2024 - ACS Publications
Biomass burning organic aerosol (BBOA) is a major contributor to organic aerosol in the
atmosphere. The impacts of BBOA on climate and health depend strongly upon their …

Influence of Relative Humidity and Composition on PM2.5 Phases in Northeast Asia

C Seong, D Kim, R Jeong, Y Qiu, Z Wu… - ACS Earth and Space …, 2024 - ACS Publications
In Northeast Asia, the elevated levels of fine particulate matter (PM2. 5) are an
environmental concern, yet their physicochemical properties have been poorly …