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

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Lehtipalo , K , Rondo , L , Kontkanen , J , Schobesberger , S , Jokinen , T , Sarnela , N , Kuerten , A , Ehrhart , S , Franchin , A , Nieminen , T , Riccobono , F , Sipilä , M , Yli-Juuti , T , Duplissy , J , Adamov , A , Ahlm , L , Almeida , J , Amorim , A , Bianchi , F , Breitenlechner , M , Dommen , J , Downard , A J , Dunne , E M , Flagan , R C , Guida , R , Hakala , J , Hansel , A , Jud , W , Kangasluoma , J , Kerminen , V-M , Keskinen , H , Kim , J , Kirkby , J , Kupc , A , Kupiainen-Määttä , O , Laaksonen , A , Lawler , M J , Leiminger , M , Mathot , S , Olenius , T , Ortega , I K , Onnela , A , Petäjä , T , Praplan , A , Rissanen , M P , Ruuskanen , T , Santos , F D , Schallhart , S , Schnitzhofer , R , Simon , M , Smith , J N , Trostl , J , Tsagkogeorgas , G , Tome , A , Vaattovaara , P , Vehkamäki , H , Vrtala , A E , Wagner , P E , Williamson , C , Wimmer , D , Winkler , P M , Virtanen , A , Donahue , N M , Carslaw , K S , Baltensperger , U , Riipinen , I , Curtius , J , Worsnop , D R & Kulmala , M 2016 , ' The effect of acid-base clustering and ions on the growth of atmospheric nano-particles ' , Nature Communications , vol. 7 , 11594 . https://doi.org/10.1038/ncomms11594

Title: The effect of acid-base clustering and ions on the growth of atmospheric nano-particles
Author: Lehtipalo, Katrianne; Rondo, Linda; Kontkanen, Jenni; Schobesberger, Siegfried; Jokinen, Tuija; Sarnela, Nina; Kuerten, Andreas; Ehrhart, Sebastian; Franchin, Alessandro; Nieminen, Tuomo; Riccobono, Francesco; Sipilä, Mikko; Yli-Juuti, Taina; Duplissy, Jonathan; Adamov, Alexey; Ahlm, Lars; Almeida, Joao; Amorim, Antonio; Bianchi, Federico; Breitenlechner, Martin; Dommen, Josef; Downard, Andrew J.; Dunne, Eimear M.; Flagan, Richard C.; Guida, Roberto; Hakala, Jani; Hansel, Armin; Jud, Werner; Kangasluoma, Juha; Kerminen, Veli-Matti; Keskinen, Helmi; Kim, Jaeseok; Kirkby, Jasper; Kupc, Agnieszka; Kupiainen-Määttä, Oona; Laaksonen, Ari; Lawler, Michael J.; Leiminger, Markus; Mathot, Serge; Olenius, Tinja; Ortega, Ismael K.; Onnela, Antti; Petäjä, Tuukka; Praplan, Arnaud; Rissanen, Matti P.; Ruuskanen, Taina; Santos, Filipe D.; Schallhart, Simon; Schnitzhofer, Ralf; Simon, Mario; Smith, James N.; Trostl, Jasmin; Tsagkogeorgas, Georgios; Tome, Antonio; Vaattovaara, Petri; Vehkamäki, Hanna; Vrtala, Aron E.; Wagner, Paul E.; Williamson, Christina; Wimmer, Daniela; Winkler, Paul M.; Virtanen, Annele; Donahue, Neil M.; Carslaw, Kenneth S.; Baltensperger, Urs; Riipinen, Ilona; Curtius, Joachim; Worsnop, Douglas R.; Kulmala, Markku
Contributor: University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Department of Physics
University of Helsinki, Paul Scherrer Institute
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
Date: 2016-05
Language: eng
Number of pages: 9
Belongs to series: Nature Communications
ISSN: 2041-1723
URI: http://hdl.handle.net/10138/165276
Abstract: 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. We bring these observations into a coherent framework and discuss their significance in the atmosphere.
Subject: IONIZATION MASS-SPECTROMETRY
PHASE SULFURIC-ACID
NEUTRAL CLUSTER
BOREAL FOREST
CLOUD CHAMBER
SIZE RANGE
NUCLEATION
RATES
AMMONIA
AEROSOL
114 Physical sciences
1172 Environmental sciences
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