Direct measurements of semi-volatile organic compound dynamics show near-unity mass accommodation coefficients for diverse aerosols

X Liu, DA Day, JE Krechmer, W Brown… - Communications …, 2019 - nature.com
The partitioning of low-and semi-volatile organic compounds into and out of particles
significantly influences secondary organic aerosol formation and evolution. Most …

[HTML][HTML] Timescales of secondary organic aerosols to reach equilibrium at various temperatures and relative humidities

Y Li, M Shiraiwa - Atmospheric Chemistry and Physics, 2019 - acp.copernicus.org
Secondary organic aerosols (SOA) account for a substantial fraction of air particulate matter,
and SOA formation is often modeled assuming rapid establishment of gas–particle …

Time scales for gas-particle partitioning equilibration of secondary organic aerosol formed from alpha-pinene ozonolysis

R Saleh, NM Donahue… - Environmental science & …, 2013 - ACS Publications
Most chemical transport models assume instantaneous equilibrium to represent gas-particle
partitioning of semivolatile organic aerosol. This approach has been challenged by recent …

Evaporation kinetics and phase of laboratory and ambient secondary organic aerosol

TD Vaden, D Imre, J Beránek… - Proceedings of the …, 2011 - National Acad Sciences
Field measurements of secondary organic aerosol (SOA) find significantly higher mass
loads than predicted by models, sparking intense effort focused on finding additional SOA …

Direct measurements of gas/particle partitioning and mass accommodation coefficients in environmental chambers

JE Krechmer, DA Day, PJ Ziemann… - … science & technology, 2017 - ACS Publications
Secondary organic aerosols (SOA) are a major contributor to fine particulate mass and wield
substantial influences on the Earth's climate and human health. Despite extensive research …

[HTML][HTML] Mass accommodation and gas–particle partitioning in secondary organic aerosols: dependence on diffusivity, volatility, particle-phase reactions, and …

M Shiraiwa, U Pöschl - Atmospheric Chemistry and Physics, 2021 - acp.copernicus.org
Mass accommodation is an essential process for gas–particle partitioning of organic
compounds in secondary organic aerosols (SOA). The mass accommodation coefficient is …

Measuring rates of reaction in supercooled organic particles with implications for atmospheric aerosol

JD Hearn, GD Smith - Physical Chemistry Chemical Physics, 2005 - pubs.rsc.org
The kinetics of heterogeneous reactions involving supercooled organic droplets is reported
for the first time. Reactions between ozone and internally-mixed sub-micrometre particles …

Molecular corridors and parameterizations of volatility in the chemical evolution of organic aerosols

Y Li, U Pöschl, M Shiraiwa - Atmospheric Chemistry and Physics, 2016 - acp.copernicus.org
The formation and aging of organic aerosols (OA) proceed through multiple steps of
chemical reaction and mass transport in the gas and particle phases, which is challenging …

Introductory lecture: Atmospheric organic aerosols: insights from the combination of measurements and chemical transport models

SN Pandis, NM Donahue, BN Murphy, I Riipinen… - Faraday …, 2013 - pubs.rsc.org
The formation, atmospheric evolution, properties, and removal of organic particulate matter
remain some of the least understood aspects of atmospheric chemistry despite the …

Mixing of secondary organic aerosols versus relative humidity

Q Ye, ES Robinson, X Ding, P Ye… - Proceedings of the …, 2016 - National Acad Sciences
Atmospheric aerosols exert a substantial influence on climate, ecosystems, visibility, and
human health. Although secondary organic aerosols (SOA) dominate fine-particle mass …