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Title: The viscosity of atmospherically relevant organic particles

Journal Article · · Nature Communications
ORCiD logo [1];  [2];  [3];  [4];  [5]; ORCiD logo [6];  [7];  [1]
  1. Univ. of Bristol, Manchester (United Kingdom)
  2. Univ. of British Columbia, Vancouver, BC (Canada)
  3. Univ. of Manchester, Manchester (United Kingdom)
  4. Purdue Univ., West Lafayette, IN (United States)
  5. Harvard Univ., Cambridge, MA (United States)
  6. North Carolina State Univ., Raleigh, NC (United States)
  7. Univ. of Birmingham, Birmingham (United Kingdom)

The importance of organic aerosol particles in the environment has been long established, influencing cloud formation and lifetime, absorbing and scattering sunlight, affecting atmospheric composition and impacting on human health. Conventionally, ambient organic particles were considered to exist as liquids. Recent observations in field measurements and studies in the laboratory suggest that they may instead exist as highly viscous semi-solids or amorphous glassy solids under certain conditions, with important implications for atmospheric chemistry, climate and air quality. This review explores our understanding of aerosol particle phase, particularly as identified by measurements of the viscosity of organic particles, and the atmospheric implications of phase state.

Research Organization:
Univ. of Colorado, Boulder, CO (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0012043
OSTI ID:
1511471
Journal Information:
Nature Communications, Vol. 9, Issue 1; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 207 works
Citation information provided by
Web of Science

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Validation of the poke-flow technique combined with simulations of fluid flow for determining viscosities in samples with small volumes and high viscosities journal January 2015
Coalescence-based assessment of aerosol phase state using dimers prepared through a dual-differential mobility analyzer technique text January 2016
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Cited By (27)

Physical Properties of Aerosol Internally Mixed With Soot Particles in a Biogenically Dominated Environment in California journal October 2018
Temperature- and Humidity-Dependent Phase States of Secondary Organic Aerosols journal January 2019
Aerosol Mixing State: Measurements, Modeling, and Impacts journal May 2019
Extending surface enhanced Raman spectroscopy (SERS) of atmospheric aerosol particles to the accumulation mode (150–800 nm) journal January 2018
Microphysics of the aqueous bulk counters the water activity driven rate acceleration of bromide oxidation by ozone from 289–245 K journal January 2019
From atoms to aerosols: probing clusters and nanoparticles with synchrotron based mass spectrometry and X-ray spectroscopy journal January 2020
Spherical tarball particles form through rapid chemical and physical changes of organic matter in biomass-burning smoke journal September 2019
Optical deformation of single aerosol particles journal September 2019
Effect of Bulk Composition on the Heterogeneous Oxidation of Semi-Solid Atmospheric Aerosols journal December 2019
The underappreciated role of nonvolatile cations in aerosol ammonium-sulfate molar ratios journal January 2018
Predicting the glass transition temperature and viscosity of secondary organic material using molecular composition journal January 2018
Predictions of diffusion rates of large organic molecules in secondary organic aerosols using the Stokes–Einstein and fractional Stokes–Einstein relations journal January 2019
Liquid–liquid phase separation and viscosity within secondary organic aerosol generated from diesel fuel vapors journal January 2019
A review of experimental techniques for aerosol hygroscopicity studies journal January 2019
Detection of tar brown carbon with a single particle soot photometer (SP2) journal January 2019
Optimization of process models for determining volatility distribution and viscosity of organic aerosols from isothermal particle evaporation data journal January 2019
Modelling the effect of condensed-phase diffusion on the homogeneous nucleation of ice in ultra-viscous particles journal January 2020
Viscosity of erythritol and erythritol–water particles as a function of water activity: new results and an intercomparison of techniques for measuring the viscosity of particles journal January 2018
Multiphase chemistry in the troposphere: It all starts … and ends … with gases journal June 2019
Significant broadband extinction abilities of bioaerosols journal March 2019
Evidence for a kinetically controlled burying mechanism for growth of high viscosity secondary organic aerosol journal January 2020
The effect of hydrophobic glassy organic material on the cloud condensation nuclei activity of particles with different morphologies journal January 2019
A new aerosol flow reactor to study secondary organic aerosol journal January 2019
Viscosities, diffusion coefficients, and mixing times of intrinsic fluorescent organic molecules in brown limonene secondary organic aerosol and tests of the Stokes–Einstein equation journal January 2019
Impact of Aerosol-Cloud Cycling on Aqueous Secondary Organic Aerosol Formation journal October 2019
Modeling the effect of non-ideality, dynamic mass transfer and viscosity on SOA formation in a 3-D air quality model journal January 2019
Microphysics of the aqueous bulk counters the water activity driven rate acceleration of bromide oxidation by ozone from 289-245 K text January 2019