[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 …

[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 …

Under what conditions can equilibrium gas–particle partitioning be expected to hold in the atmosphere?

H Mai, M Shiraiwa, RC Flagan… - Environmental science & …, 2015 - ACS Publications
The prevailing treatment of secondary organic aerosol formation in atmospheric models is
based on the assumption of instantaneous gas–particle equilibrium for the condensing …

Impact of phase state and non-ideal mixing on equilibration timescales of secondary organic aerosol partitioning

M Schervish, M Shiraiwa - Atmospheric Chemistry and Physics, 2023 - acp.copernicus.org
Evidence has accumulated that secondary organic aerosols (SOAs) exhibit complex
morphologies with multiple phases that can adopt amorphous semisolid or glassy phase …

Mixing times of organic molecules within secondary organic aerosol particles: a global planetary boundary layer perspective

AM Maclean, CL Butenhoff, JW Grayson… - Atmospheric …, 2017 - acp.copernicus.org
When simulating the formation and life cycle of secondary organic aerosol (SOA) with
chemical transport models, it is often assumed that organic molecules are well mixed within …

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 …

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 …

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 …

Equilibration timescale of atmospheric secondary organic aerosol partitioning

M Shiraiwa, JH Seinfeld - Geophysical Research Letters, 2012 - Wiley Online Library
Secondary organic aerosol (SOA) formed from partitioning of oxidation products of
anthropogenic and biogenic volatile organic compounds (VOCs) accounts for a substantial …

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 …