Organosilica coating layer prevents aging of a polymer with intrinsic microporosity

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Abstract: This study tracks the physical aging behavior of coated and uncoated ultra‐thin poly (1‐trimethylsilyl‐1‐propyne) (PTMSP) films on silicon wafers based on the refractive index using ellipsometry. The measured refractive index directly correlates with the free volume and hence the physical aging progression. Plasma‐enhanced chemical vapor deposition (PECVD) creates coatings with different thicknesses and oxidation degrees onto PTMSP films. Compared to uncoated PTMSP films, the PECVD‐coated films show a reduction of the refractive index increase of more than two orders of magnitude for less than 10 nm thin SiOx coatings. In contrast, SiOCH films show only a minor impact. The results reveal the superior physical aging behavior of PECVD‐coated films compared to untreated PTMSP films.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: Organosilica coating layer prevents aging of a polymer with intrinsic microporosity ; day:03 ; month:05 ; year:2022 ; extent:11
Plasma processes and polymers ; (03.05.2022) (gesamt 11)

Creator: Rubner, Jens
Stellmann, Leonie
Mertens, Ann‐Kathrin
Tepper, Maik
Roth, Hannah
Kleines, Lara
Dahlmann, Rainer
Wessling, Matthias

DOI: 10.1002/ppap.202200016

URN: urn:nbn:de:101:1-2022050315181207047667

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 15.08.2025, 7:30 AM CEST

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Associated

Rubner, Jens
Stellmann, Leonie
Mertens, Ann‐Kathrin
Tepper, Maik
Roth, Hannah
Kleines, Lara
Dahlmann, Rainer
Wessling, Matthias

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