Fig. 1
From: The viscosity of atmospherically relevant organic particles
Impacts of ambient particle viscosity and phase on climate and health. a Although low-viscosity aerosol particles equilibrate in composition rapidly, highly viscous particles may require time to achieve an equilibrium composition through the gas-particle partitioning of water, semi-volatile organic compounds (SVOCs) and other pollutants. b Unlike liquid droplets, glassy particles can act as heterogeneous nuclei for ice nucleation. c Heterogeneous chemistry can occur rapidly in low-viscosity particles throughout the particle bulk. In viscous particles, heterogeneous chemistry may occur only very slowly and be confined to the particle surface. d In combination, differences in the mechanisms and rates of microphysical processing in viscous aerosol particles when compared to low-viscosity solution droplets can have important consequences for the impacts of aerosols on climate, visibility, air quality and health
