Articles | Volume 20, issue 15
Atmos. Chem. Phys., 20, 9419–9440, 2020
https://doi.org/10.5194/acp-20-9419-2020
Atmos. Chem. Phys., 20, 9419–9440, 2020
https://doi.org/10.5194/acp-20-9419-2020

Research article 12 Aug 2020

Research article | 12 Aug 2020

The role of contact angle and pore width on pore condensation and freezing

Robert O. David et al.

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Cited articles

Atkinson, J. D., Murray, B. J., and O'Sullivan, D.: Rate of Homogenous Nucleation of Ice in Supercooled Water, J. Phys. Chem. A, 120, 6513–6520, https://doi.org/10.1021/acs.jpca.6b03843, 2016. 
Bassett, D. R., Boucher, E. A., and Zettlemoyer, A. C.: Adsorption studies on ice-nucleating substrates. Hydrophobed silicas and silver iodide, J. Colloid Interf. Sci., 34, 436–446, https://doi.org/10.1016/0021-9797(70)90203-1, 1970. 
Beard, K. V. and Pruppacher, H. R.: A Wind Tunnel Investigation of the Rate of Evaporation of Small Water Drops Falling at Terminal Velocity in Air, J. Atmos. Sci., 28, 1455–1464, https://doi.org/10.1175/1520-0469(1971)028<1455:AWTIOT>2.0.CO;2, 1971. 
Beck, J. S., Vartuli, J. C., Roth, W. J., Leonowicz, M. E., Kresge, C. T., Schmitt, K. D., Chu, C. T. W., Olson, D. H., Sheppard, E. W., and McCullen, S. B.: A new family of mesoporous molecular sieves prepared with liquid crystal templates, J. Am. Chem. Soc., 114, 10834–10843, 1992. 
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Ice crystal formation plays an important role in controlling the Earth's climate. However, the mechanisms responsible for ice formation in the atmosphere are still uncertain. Here we use surrogates for atmospherically relevant porous particles to determine the role of pore diameter and wettability on the ability of porous particles to nucleate ice in the atmosphere. Our results are consistent with the pore condensation and freeing mechanism.
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