Determination of the collision rate coefficient between charged iodic acid clusters and iodic acid using the appearance time method
He, Xu Cheng; Iyer, Siddharth; Sipilä, Mikko; Ylisirniö, Arttu; Peltola, Maija; Kontkanen, Jenni; Baalbaki, Rima; Simon, Mario; Kürten, Andreas; Tham, Yee Jun; Pesonen, Janne; Ahonen, Lauri R.; Amanatidis, Stavros; Amorim, Antonio; Baccarini, Andrea; Beck, Lisa; Bianchi, Federico; Brilke, Sophia; Chen, Dexian; Chiu, Randall; Curtius, Joachim; Dada, Lubna; Dias, Antonio; Dommen, Josef; Donahue, Neil M.; Duplissy, Jonathan; El Haddad, Imad; Finkenzeller, Henning; Fischer, Lukas; Heinritzi, Martin; Hofbauer, Victoria; Kangasluoma, Juha; Kim, Changhyuk; Koenig, Theodore K.; Kubečka, Jakub; Kvashnin, Aleksandr; Lamkaddam, Houssni; Lee, Chuan Ping; Leiminger, Markus; Li, Zijun; Makhmutov, Vladimir; Xiao, Mao; Marten, Ruby; Nie, Wei; Onnela, Antti; Partoll, Eva; Petäjä, Tuukka; Salo, Vili Taneli; Schuchmann, Simone; Steiner, Gerhard; Stolzenburg, Dominik; Stozhkov, Yuri; Tauber, Christian; Tomé, António; Väisänen, Olli; Vazquez-Pufleau, Miguel; Volkamer, Rainer; Wagner, Andrea C.; Wang, Mingyi; Wang, Yonghong; Wimmer, Daniela; Winkler, Paul M.; Worsnop, Douglas R.; Wu, Yusheng; Yan, Chao; Ye, Qing; Lehtinen, Kari; Nieminen, Tuomo; Manninen, Hanna E.; Rissanen, Matti; Schobesberger, Siegfried; Lehtipalo, Katrianne; Baltensperger, Urs; Hansel, Armin; Kerminen, Veli Matti; Flagan, Richard C.; Kirkby, Jasper; Kurtén, Theo; Kulmala, Markku (2021)
He, Xu Cheng
Iyer, Siddharth
Sipilä, Mikko
Ylisirniö, Arttu
Peltola, Maija
Kontkanen, Jenni
Baalbaki, Rima
Simon, Mario
Kürten, Andreas
Tham, Yee Jun
Pesonen, Janne
Ahonen, Lauri R.
Amanatidis, Stavros
Amorim, Antonio
Baccarini, Andrea
Beck, Lisa
Bianchi, Federico
Brilke, Sophia
Chen, Dexian
Chiu, Randall
Curtius, Joachim
Dada, Lubna
Dias, Antonio
Dommen, Josef
Donahue, Neil M.
Duplissy, Jonathan
El Haddad, Imad
Finkenzeller, Henning
Fischer, Lukas
Heinritzi, Martin
Hofbauer, Victoria
Kangasluoma, Juha
Kim, Changhyuk
Koenig, Theodore K.
Kubečka, Jakub
Kvashnin, Aleksandr
Lamkaddam, Houssni
Lee, Chuan Ping
Leiminger, Markus
Li, Zijun
Makhmutov, Vladimir
Xiao, Mao
Marten, Ruby
Nie, Wei
Onnela, Antti
Partoll, Eva
Petäjä, Tuukka
Salo, Vili Taneli
Schuchmann, Simone
Steiner, Gerhard
Stolzenburg, Dominik
Stozhkov, Yuri
Tauber, Christian
Tomé, António
Väisänen, Olli
Vazquez-Pufleau, Miguel
Volkamer, Rainer
Wagner, Andrea C.
Wang, Mingyi
Wang, Yonghong
Wimmer, Daniela
Winkler, Paul M.
Worsnop, Douglas R.
Wu, Yusheng
Yan, Chao
Ye, Qing
Lehtinen, Kari
Nieminen, Tuomo
Manninen, Hanna E.
Rissanen, Matti
Schobesberger, Siegfried
Lehtipalo, Katrianne
Baltensperger, Urs
Hansel, Armin
Kerminen, Veli Matti
Flagan, Richard C.
Kirkby, Jasper
Kurtén, Theo
Kulmala, Markku
2021
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:tuni-202012188986
https://urn.fi/URN:NBN:fi:tuni-202012188986
Kuvaus
Peer reviewed
Tiivistelmä
Ions enhance the formation rate of atmospheric aerosol particles, which play an important role in Earth’s radiative balance. Ion-induced nucleation involves the stepwise accretion of neutral monomers onto a molecular cluster containing an ion, which helps to stabilize the cluster against evaporation. Although theoretical frameworks exist to calculate the collision rate coefficients between neutral molecules and ions, they need to be experimentally confirmed, ideally under atmospherically relevant conditions of around 1000 ion pairs cm−3. Here, in experiments performed under atmospheric conditions in the CERN CLOUD chamber, we have measured the collision rate coefficients between neutral iodic acid (HIO3) monomers and charged iodic acid molecular clusters containing up to 11 iodine atoms. Three methods were analytically derived to calculate ion-polar molecule collision rate coefficients. After evaluation with a kinetic model, the 50% appearance time method is found to be the most robust. The measured collision rate coefficient, averaged over all iodine clusters, is (2.4 ± 0.8)×10−9cm3 s−1, which is close to the expectation from the surface charge capture theory.
Kokoelmat
- TUNICRIS-julkaisut [17007]