Measurement report: Water diffusion in single suspended phase-separated aerosols
Abstract 2 O–D2 O isotope exchange was harnessed to trace the water diffusion in single laser-levitated homogenous/heterogeneous microdroplets. The time-resolved cavity-enhanced Raman spectra of the microdroplets were used to detect the diffusion process in real time. Two archetypes of phase-separated aerosols, i.e., partially engulfed and core–shell, were studied. Moreover, we quantified the dynamic water diffusion process by experimentally measuring the diffusion coefficients. The results showed that compared with the homogenous aerosols, water diffusion limitations existed in the phase-separated aerosols. The incomplete diffusion may stem from the formation of certain hydrated molecule clusters. This work provides possible implications for the evolutions, especially the gas–particle partition, of the actual phase-separated atmospheric aerosols.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Measurement report: Water diffusion in single suspended phase-separated aerosols ; volume:24 ; number:5 ; year:2024 ; pages:2937-2950 ; extent:14
Atmospheric chemistry and physics ; 24, Heft 5 (2024), 2937-2950 (gesamt 14)
- Urheber
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Tong, Yu-Kai
Wu, Zhijun
Hu, Min
Ye, Anpei
- DOI
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10.5194/acp-24-2937-2024
- URN
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urn:nbn:de:101:1-2024031403335798612687
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 11:01 MESZ
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Beteiligte
- Tong, Yu-Kai
- Wu, Zhijun
- Hu, Min
- Ye, Anpei
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