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Using Paper as a Biomimetic Fog Harvesting Material

Breuer, Carina ; Cordt, Cynthia ; Hiller, Benjamin ; Geissler, Andreas ; Biesalski, Markus (2024)
Using Paper as a Biomimetic Fog Harvesting Material.
In: Advanced Materials Interfaces, 2024, 11 (8)
doi: 10.26083/tuprints-00027116
Artikel, Zweitveröffentlichung, Verlagsversion

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Kurzbeschreibung (Abstract)

This study identifies important factors for designing an effective biomimetic paper‐based fog harvesting substrate by examining the harvesting properties of different surfaces, including glass, polyethylene, and superhydrophobic paper. In laboratory‐scale fogging tests, the wetting behavior of the substrates is characterized, and the importance of the tilt angle of the respective surface relative to the fog flow is elaborated. Because successful fog harvesting requires both efficient accumulation of water droplets on the surface (by condensation and collision) and sufficient but not excessive roll‐off of the liquid, the amount of water finally collected is clearly related to the pinning effect, which should prevent the smallest droplets from being carried away by the wind but must not lead to full and permanent wetting of the surface. Coalescence is identified as a major phenomenon to improve droplet roll‐off. In this context, superhydrophobic paper indicates to be a more effective water collector than glass or polyethylene, especially when oriented vertically, since it allows the droplets to roll off very efficiently. Finally, the addition of glass particles to the superhydrophobic coating is proposed as a means of enhancing pinning and improving the fog harvesting efficiency.

Typ des Eintrags: Artikel
Erschienen: 2024
Autor(en): Breuer, Carina ; Cordt, Cynthia ; Hiller, Benjamin ; Geissler, Andreas ; Biesalski, Markus
Art des Eintrags: Zweitveröffentlichung
Titel: Using Paper as a Biomimetic Fog Harvesting Material
Sprache: Englisch
Publikationsjahr: 12 Juni 2024
Ort: Darmstadt
Publikationsdatum der Erstveröffentlichung: 14 März 2024
Ort der Erstveröffentlichung: Weinheim
Verlag: Wiley-VCH
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Advanced Materials Interfaces
Jahrgang/Volume einer Zeitschrift: 11
(Heft-)Nummer: 8
Kollation: 12 Seiten
DOI: 10.26083/tuprints-00027116
URL / URN: https://tuprints.ulb.tu-darmstadt.de/27116
Zugehörige Links:
Herkunft: Zweitveröffentlichung DeepGreen
Kurzbeschreibung (Abstract):

This study identifies important factors for designing an effective biomimetic paper‐based fog harvesting substrate by examining the harvesting properties of different surfaces, including glass, polyethylene, and superhydrophobic paper. In laboratory‐scale fogging tests, the wetting behavior of the substrates is characterized, and the importance of the tilt angle of the respective surface relative to the fog flow is elaborated. Because successful fog harvesting requires both efficient accumulation of water droplets on the surface (by condensation and collision) and sufficient but not excessive roll‐off of the liquid, the amount of water finally collected is clearly related to the pinning effect, which should prevent the smallest droplets from being carried away by the wind but must not lead to full and permanent wetting of the surface. Coalescence is identified as a major phenomenon to improve droplet roll‐off. In this context, superhydrophobic paper indicates to be a more effective water collector than glass or polyethylene, especially when oriented vertically, since it allows the droplets to roll off very efficiently. Finally, the addition of glass particles to the superhydrophobic coating is proposed as a means of enhancing pinning and improving the fog harvesting efficiency.

Freie Schlagworte: biomimetic surface, droplet pinning, fog harvesting, paper materials, paper wetting, superhydrophobic wetting, water harvesting
ID-Nummer: Artikel-ID: 2301048
Status: Verlagsversion
URN: urn:nbn:de:tuda-tuprints-271169
Sachgruppe der Dewey Dezimalklassifikatin (DDC): 500 Naturwissenschaften und Mathematik > 540 Chemie
Fachbereich(e)/-gebiet(e): 07 Fachbereich Chemie
07 Fachbereich Chemie > Ernst-Berl-Institut
07 Fachbereich Chemie > Ernst-Berl-Institut > Fachgebiet Makromolekulare Chemie
07 Fachbereich Chemie > Ernst-Berl-Institut > Fachgebiet Makromolekulare Chemie > Makromolekulare Chemie und Papierchemie
Hinterlegungsdatum: 12 Jun 2024 11:45
Letzte Änderung: 13 Jun 2024 06:33
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