Ultrathin free-standing polymer membranes with chemically responsive luminescence via consecutive photopolymerizations
Literature Information
Publication Date
2015-12-23
DOI
10.1039/C5PY02013A
Impact Factor
5.582
Authors
Jiming Yang, Ning Zhang, Qiliao Wang, Yongjiu Liang, Dewen Dong
View Original
Abstract
A facile and general method for the preparation of chemically responsive polymer films is demonstrated. First, a crosslinked polymer precoating layer is created via self-initiated photografting and photopolymerization of ethylene glycol dimethacrylate on a self-assembled monolayer of a 3-(trimethoxysilyl)propylamine modified oxidized silicon wafer. The intact methacrylate functionalities are used to grow polymer chains by a second self-initiated photografting and photopolymerization of vinyl monomers to form polymer brushes on the crosslinked layer; thus a series of polymer membranes of PMMA, PDMAEMA and P4VP are obtained. The double-layered polymer membranes can be lifted off via hydrofluoric acid etching of the oxidized silicon layer to give integral free-standing polymer membranes. Kinetic studies revealed that the thickness of both the crosslinked precoating layer and the brush layer increased linearly as a function of the polymerization time before the reaction solutions got highly viscous. Furthermore, polyoxometalate Na9(EuW10O36) can be uniformly incorporated into the PDMAEMA membrane through electrostatic interactions to afford an acid/base gas-responsive luminescent hybrid film.
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Source Journal
Polymer Chemistry
CiteScore:
8.6
Self-citation Rate:
7.3%
Articles per Year:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
Recommended Compounds
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2-Methyl-2-propanyl 4-oxo-3,9-diazabicyclo[4.2.1]nonane-9-carboxylate
CAS Number:
1312456-05-5
Molecular Formula:
C12H20N2O3
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4-Fluoro-2-(4-{[(3S,4R)-4-(2-hydroxy-2-propanyl)-3-pyrrolidinyl]amino}-6,7-dimethoxy-2-quinazolinyl)phenol hydrochloride (1:1)
CAS Number:
1431697-96-9
Molecular Formula:
C23H28ClFN4O4
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