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Title: The effect of acid–base clustering and ions on the growth of atmospheric nano-particles

The growth of freshly formed aerosol particles can be the bottleneck in their survival to cloud condensation nuclei. It is therefore crucial to understand how particles grow in the atmosphere. Insufficient experimental data has impeded a profound understanding of nano-particle growth under atmospheric conditions. Here we study nano-particle growth in the CLOUD (Cosmics Leaving OUtdoors Droplets) chamber, starting from the formation of molecular clusters. We present measured growth rates at sub-3 nm sizes with different atmospherically relevant concentrations of sulphuric acid, water, ammonia and dimethylamine. We find that atmospheric ions and small acid-base clusters, which are not generally accounted for in the measurement of sulphuric acid vapour, can participate in the growth process, leading to enhanced growth rates. The availability of compounds capable of stabilizing sulphuric acid clusters governs the magnitude of these effects and thus the exact growth mechanism. Furthermore, we bring these observations into a coherent framework and discuss their significance in the atmosphere.
Authors:
 [1] ;  [2] ;  [3] ;  [3] ;  [3] ;  [3] ;  [2] ;  [4] ;  [3] ;  [5] ;  [6] ;  [5] ;  [7] ;  [8] ;  [3] ;  [9] ;  [10] ;  [11] ;  [12] ;  [13] more »;  [6] ;  [14] ;  [15] ;  [14] ;  [11] ;  [3] ;  [16] ;  [13] ;  [3] ;  [3] ;  [17] ;  [18] ;  [2] ;  [19] ;  [3] ;  [20] ;  [21] ;  [2] ;  [22] ;  [3] ;  [3] ;  [22] ;  [3] ;  [1] ;  [3] ;  [3] ;  [11] ;  [3] ;  [13] ;  [2] ;  [21] ;  [6] ;  [23] ;  [11] ;  [18] ;  [3] ;  [19] ;  [19] ;  [2] ;  [24] ;  [19] ;  [18] ;  [25] ;  [26] ;  [6] ;  [9] ;  [2] ;  [27] ;  [5] « less
  1. Univ. of Helsinki, Helsinki (Finland). Dept. of Physics; Paul Scherrer Inst., Villigen (Switzerland). Laboratory of Atmospheric Chemistry
  2. Goethe-Univ. of Frankfurt, Frankfurt am Main (Germany). Inst. for Atmospheric and Environmental Sciences
  3. Univ. of Helsinki, Helsinki (Finland). Dept. of Physics
  4. Goethe-Univ. of Frankfurt, Frankfurt am Main (Germany). Inst. for Atmospheric and Environmental Sciences; CERN, Geneva (Switzerland)
  5. Univ. of Helsinki, Helsinki (Finland). Dept. of Physics, Inst. of Physics
  6. Paul Scherrer Inst., Villigen (Switzerland). Laboratory of Atmospheric Chemistry
  7. Univ. of Helsinki, Helsinki (Finland). Dept. of Physics; Univ. of Eastern Finland, Kuopio (Finland). Dept. of Applied Physics
  8. Univ. of Helsinki, Helsinki (Finland). Dept. of Physics, Inst. of Physics; CERN, Geneva (Switzerland)
  9. Stockholm Univ., Stockholm (Sweden). Dept. of Environmental Science and Analytical Chemistry (ACES) & Bolin Centre for Climate Research
  10. CERN, Geneva (Switzerland); Univ. of Lisbon and Univ. of Beira Interior, Lisbon (Portugal). SIM
  11. Univ. of Lisbon and Univ. of Beira Interior, Lisbon (Portugal). SIM
  12. Paul Scherrer Inst., Villigen (Switzerland). Laboratory of Atmospheric Chemistry; ETH Zurich, Zurich (Switzerland). Inst. for Atmospheric and Climate Science
  13. TechnikerstraBe 25, Innsbruck (Austria). Inst. for Ion Physics and Applied Physics
  14. California Inst. of Technology, Pasadena, CA (United States). Div. of Chemistry and Chemical Engineering
  15. Univ. of Leeds, Leeds (United Kingdom). School of Earth and Environment;Atmospheric Research Centre of Eastern Finland, Kuopio (Finland). Finnish Meteorological Inst.
  16. TechnikerstraBe 25, Innsbruck (Austria). Inst. for Ion Physics and Applied Physics; Ionicon Analytik GmbH, Innsbruck (Austria)
  17. Univ. of Helsinki, Helsinki (Finland). Dept. of Physics;Univ. of Eastern Finland, Kuopio (Finland). Dept. of Applied Physics
  18. Univ. of Eastern Finland, Kuopio (Finland). Dept. of Applied Physics
  19. Univ. of Vienna, Vienna (Austria). Faculty of Physics
  20. Univ. of Eastern Finland, Kuopio (Finland). Dept. of Applied Physics; Finnish Meteorological Inst., Helsinki (Finland)
  21. Univ. of Eastern Finland, Kuopio (Finland). Dept. of Applied Physics; Univ. of California, Irvine, CA (United States). Dept. of Chemistry
  22. CERN, Geneva (Switzerland)
  23. Leibniz Inst. for Tropospheric Research, Leipzig (Germany)
  24. Univ. of Helsinki, Helsinki (Finland). Dept. of Physics; Goethe-Univ. of Frankfurt, Frankfurt am Main (Germany). Inst. for Atmospheric and Environmental Sciences
  25. Carnegie Mellon Univ., Pittsburgh, PA (United States). Center for Atmospheric Particle Studies
  26. Univ. of Leeds, Leeds (United Kingdom). School of Earth and Environment
  27. Univ. of Helsinki, Helsinki (Finland). Dept. of Physics; Univ. of Eastern Finland, Kuopio (Finland). Dept. of Applied Physics; Atmospheric Research Centre of Eastern Finland, Kuopio (Finland). Finnish Meteorological Inst.; Aerodyne Research Inc., Billerica, MA (United States)
Publication Date:
OSTI Identifier:
1270918
Grant/Contract Number:
SC0014469
Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 7; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Research Org:
University of California, Irvine
Sponsoring Org:
USDOE; CERN; European Union; German Federal Ministry of Education and Research; Swiss National Science Foundation; Academy of Finland, Center of Excellence program; Austrian Science Fund (FWF); Portuguese Foundation for Science and Technology; Swedish Research Council; Russian Foundation for Basic Research; US National Science Foundation; Vaisala foundation; EC Seventh Framework Programme (Marie Curie Initial Training Network 'CLOUD-ITN'); EC Seventh Framework Programme (Marie Curie Initial Training Network 'CLOUD-TRAIN'); EC Seventh Framework Programme (ERC grant 'ATMOGAIN'); EC Seventh Framework Programme (ERC grant 'MOCAPAF'; EC Seventh Framework Programme (ERC grant 'NANODYNAMITE'); EC Seventh Framework Programme (ERC grant 'ATMNUCLE')
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY ionization mass-spectrometry; phase sulfuric-acid; neutral cluster; boreal forest; cloud chamber; size range; nucleation; rates; ammonia; aerosol