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An amorphous solid state of biogenic secondary organic aerosol particles

Author

Listed:
  • Annele Virtanen

    (Tampere University of Technology, P O Box 692, 33101 Tampere, Finland)

  • Jorma Joutsensaari

    (University of Eastern Finland, Kuopio Campus, P O Box 1627, 70211 Kuopio, Finland)

  • Thomas Koop

    (Bielefeld University)

  • Jonna Kannosto

    (Tampere University of Technology, P O Box 692, 33101 Tampere, Finland)

  • Pasi Yli-Pirilä

    (University of Eastern Finland, Kuopio Campus, P O Box 1627, 70211 Kuopio, Finland)

  • Jani Leskinen

    (University of Eastern Finland, Kuopio Campus, P O Box 1627, 70211 Kuopio, Finland)

  • Jyrki M. Mäkelä

    (Tampere University of Technology, P O Box 692, 33101 Tampere, Finland)

  • Jarmo K. Holopainen

    (University of Eastern Finland, Kuopio Campus, P O Box 1627, 70211 Kuopio, Finland)

  • Ulrich Pöschl

    (Max Planck Institute for Chemistry)

  • Markku Kulmala

    (University of Helsinki, P O Box 64, 00014 Helsinki, Finland
    Stockholm University)

  • Douglas R. Worsnop

    (University of Eastern Finland, Kuopio Campus, P O Box 1627, 70211 Kuopio, Finland
    University of Helsinki, P O Box 64, 00014 Helsinki, Finland
    Aerodyne Research, 45 Manning Road
    Finnish Meteorological Institute, PO Box 503, 00101 Helsinki, Finland)

  • Ari Laaksonen

    (University of Eastern Finland, Kuopio Campus, P O Box 1627, 70211 Kuopio, Finland
    Finnish Meteorological Institute, PO Box 503, 00101 Helsinki, Finland)

Abstract

A phased approach to aerosols Secondary organic aerosol (SOA) particles can scatter radiation and act as cloud condensation nuclei, and thereby influence Earth's radiation balance. It is generally assumed that such particles are liquid, but this experimental study shows that they can adopt an amorphous — probably glassy — solid state under ambient conditions. The findings of the study — which monitored SOA particles formed from oxidation products of volatile organic compounds from seedlings grown in plant chambers, and used measurements made in forests following atmospheric oxidation events — challenge traditional views of the kinetics and thermodynamics of SOA formation and transformation in the atmosphere.

Suggested Citation

  • Annele Virtanen & Jorma Joutsensaari & Thomas Koop & Jonna Kannosto & Pasi Yli-Pirilä & Jani Leskinen & Jyrki M. Mäkelä & Jarmo K. Holopainen & Ulrich Pöschl & Markku Kulmala & Douglas R. Worsnop & Ar, 2010. "An amorphous solid state of biogenic secondary organic aerosol particles," Nature, Nature, vol. 467(7317), pages 824-827, October.
    • Handle: RePEc:nat:nature:v:467:y:2010:i:7317:d:10.1038_nature09455
    DOI: 10.1038/nature09455
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