Visualizing Penetration of Fluorescent Dye through Polymer Coatings
Abstract: Understanding how small molecules penetrate and contaminate polymer films is of vital importance for developing protective coatings for a wide range of applications. To this end, rhodamine B fluorescent dye is visualized diffusing through polystyrene‐polydimethylsiloxane block copolymer (BCP) coatings using confocal microscopy. The intensity of dye inside the coatings grows and decays non‐monotonically, which is likely due to a combination of dye molecule transport occurring concurrently in different directions. An empirical fitting equation allows for comparing the contamination rates between copolymers, demonstrating that dye penetration is related to the chemical makeup and configuration of the BCPs. This work shows that confocal microscopy can be a useful tool to visualize the transport of a fluorophore in space and time through a coating.
- 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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Visualizing Penetration of Fluorescent Dye through Polymer Coatings ; day:21 ; month:08 ; year:2023 ; extent:9
Macromolecular rapid communications ; (21.08.2023) (gesamt 9)
- Urheber
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Chaudhuri, Krishnaroop
Medhi, Riddhiman
Zhang, Zhenglin
Cai, Zhuoyun
Ober, Christopher K.
Pham, Jonathan T.
- DOI
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10.1002/marc.202300304
- URN
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urn:nbn:de:101:1-2023082215222937313814
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:45 MESZ
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Beteiligte
- Chaudhuri, Krishnaroop
- Medhi, Riddhiman
- Zhang, Zhenglin
- Cai, Zhuoyun
- Ober, Christopher K.
- Pham, Jonathan T.
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