Articles | Volume 21, issue 6
Atmos. Chem. Phys., 21, 4709–4727, 2021
https://doi.org/10.5194/acp-21-4709-2021
Atmos. Chem. Phys., 21, 4709–4727, 2021
https://doi.org/10.5194/acp-21-4709-2021

Research article 26 Mar 2021

Research article | 26 Mar 2021

Pre-deliquescent water uptake in deposited nanoparticles observed with in situ ambient pressure X-ray photoelectron spectroscopy

Jack J. Lin et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Nonne Prisle on behalf of the Authors (11 Dec 2020)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by editor) (22 Dec 2020) by Thorsten Bartels-Rausch
AR by Nonne Prisle on behalf of the Authors (11 Jan 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to minor revisions (review by editor) (15 Jan 2021) by Thorsten Bartels-Rausch
AR by Nonne Prisle on behalf of the Authors (01 Feb 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to technical corrections (03 Feb 2021) by Thorsten Bartels-Rausch
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Short summary
We used surface-sensitive X-ray photoelectron spectroscopy (XPS) to study laboratory-generated nanoparticles of atmospheric interest at 0–16 % relative humidity. XPS gives direct information about changes in the chemical state from the binding energies of probed elements. Our results indicate water adsorption and associated chemical changes at the particle surfaces well below deliquescence, with distinct features for different particle components and implications for atmospheric chemistry.
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