Articles | Volume 22, issue 5
Atmos. Chem. Phys., 22, 3097–3109, 2022
https://doi.org/10.5194/acp-22-3097-2022
Atmos. Chem. Phys., 22, 3097–3109, 2022
https://doi.org/10.5194/acp-22-3097-2022

Technical note 08 Mar 2022

Technical note | 08 Mar 2022

Technical note: Real-time diagnosis of the hygroscopic growth micro-dynamics of nanoparticles with Fourier transform infrared spectroscopy

Xiuli Wei et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on acp-2021-763', Anonymous Referee #2, 29 Nov 2021
    • AC1: 'Reply on RC1', Xiuli Wei, 31 Dec 2021
  • RC2: 'Comment on acp-2021-763', Anonymous Referee #1, 06 Dec 2021
    • AC2: 'Reply on RC2', Xiuli Wei, 31 Dec 2021
  • RC3: 'Comment on acp-2021-763', Anonymous Referee #3, 09 Dec 2021
    • AC3: 'Reply on RC3', Xiuli Wei, 31 Dec 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Xiuli Wei on behalf of the Authors (05 Jan 2022)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (17 Jan 2022) by Annele Virtanen
RR by Anonymous Referee #1 (26 Jan 2022)
RR by Anonymous Referee #2 (01 Feb 2022)
ED: Publish as is (10 Feb 2022) by Annele Virtanen
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Short summary
We demonstrated the usage of the Fourier transform infrared (FTIR) spectroscopic technique to characterize in real time the hygroscopic growth properties of nanoparticles and their phase transition micro-dynamics at the molecular level. We first realize real-time measurements of water content and dry nanoparticle mass to characterize hygroscopic growth factors. We then identify in real time the hydration interactions and the dynamic hygroscopic growth process of the functional groups.
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