Atmospheric nanoparticle growth

D Stolzenburg, R Cai, SM Blichner, J Kontkanen… - Reviews of Modern …, 2023 - APS
New particle formation of liquid or solid nanoparticles from gas-phase precursors is a
decisive process in Earth's atmosphere and is considered one of the largest uncertainties in …

Role of iodine oxoacids in atmospheric aerosol nucleation

XC He, YJ Tham, L Dada, M Wang, H Finkenzeller… - Science, 2021 - science.org
Iodic acid (HIO3) is known to form aerosol particles in coastal marine regions, but predicted
nucleation and growth rates are lacking. Using the CERN CLOUD (Cosmics Leaving …

Iodine oxoacids enhance nucleation of sulfuric acid particles in the atmosphere

XC He, M Simon, S Iyer, HB Xie, B Rörup, J Shen… - Science, 2023 - science.org
The main nucleating vapor in the atmosphere is thought to be sulfuric acid (H2SO4),
stabilized by ammonia (NH3). However, in marine and polar regions, NH3 is generally low …

The gas-phase formation mechanism of iodic acid as an atmospheric aerosol source

H Finkenzeller, S Iyer, XC He, M Simon, TK Koenig… - Nature Chemistry, 2023 - nature.com
Iodine is a reactive trace element in atmospheric chemistry that destroys ozone and
nucleates particles. Iodine emissions have tripled since 1950 and are projected to keep …

Critical role of iodous acid in neutral iodine oxoacid nucleation

R Zhang, HB Xie, F Ma, J Chen, S Iyer… - Environmental …, 2022 - ACS Publications
Nucleation of neutral iodine particles has recently been found to involve both iodic acid
(HIO3) and iodous acid (HIO2). However, the precise role of HIO2 in iodine oxoacid …

Enhancement of atmospheric nucleation precursors on iodic acid-induced nucleation: predictive model and mechanism

F Ma, HB Xie, R Zhang, L Su, Q Jiang… - Environmental …, 2023 - ACS Publications
Iodic acid (IA) has recently been recognized as a key driver for new particle formation (NPF)
in marine atmospheres. However, the knowledge of which atmospheric vapors can enhance …

[HTML][HTML] Characterisation of gaseous iodine species detection using the multi-scheme chemical ionisation inlet 2 with bromide and nitrate chemical ionisation methods

XC He, J Shen, S Iyer, P Juuti, J Zhang… - Atmospheric …, 2023 - amt.copernicus.org
The multi-scheme chemical ionisation inlet 1 (MION1) enables rapid switching between the
measurement of atmospheric ions without chemical ionisation and neutral molecules using …

Iodine oxoacids and their roles in sub-3 nm particle growth in polluted urban environments

Y Zhang, D Li, XC He, W Nie, C Deng… - Atmospheric …, 2024 - acp.copernicus.org
New particle formation contributes significantly to the number concentration of ultrafine
particles (UFPs, d≤ 100 nm) and has a great impact on human health and global climate …

Direct field evidence of autocatalytic iodine release from atmospheric aerosol

YJ Tham, XC He, Q Li, CA Cuevas… - Proceedings of the …, 2021 - National Acad Sciences
Reactive iodine plays a key role in determining the oxidation capacity, or cleansing capacity,
of the atmosphere in addition to being implicated in the formation of new particles in the …

Computational Tools for Handling Molecular Clusters: Configurational Sampling, Storage, Analysis, and Machine Learning

J Kubecka, V Besel, I Neefjes, Y Knattrup, T Kurtén… - ACS …, 2023 - ACS Publications
Computational modeling of atmospheric molecular clusters requires a comprehensive
understanding of their complex configurational spaces, interaction patterns, stabilities …