Core−Shell Latex Particles Containing a Fluorinated Polymer in the Shell. 2. Internal Structure Studied by Fluorescence Nonradiative Energy Transfer

Core−Shell Latex Particles Containing a Fluorinated Polymer in the Shell. 2. Internal Structure Studied by Fluorescence Nonradiative Energy Transfer

The internal structure of core−shell latex particles, containing a fluoropolymer in the shell, was determined by the fluorescence nonradiative direct energy transfer (NRET) technique. Contrast was achieved by labeling the core and the shell with fluorescent dyes, a donor and an acceptor, respectivel...

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Veröffentlicht in:Macromolecules 1997-01, Vol.30 (1), p.123-129
Hauptverfasser: Marion, Pierre, Beinert, Gérard, Juhué, Didier, Lang, Jacques
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Sprache:eng
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Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Properties and characterization
Structure, morphology and analysis
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container_end_page 129
container_issue 1
container_start_page 123
container_title Macromolecules
container_volume 30
creator Marion, Pierre
Beinert, Gérard
Juhué, Didier
Lang, Jacques
description The internal structure of core−shell latex particles, containing a fluoropolymer in the shell, was determined by the fluorescence nonradiative direct energy transfer (NRET) technique. Contrast was achieved by labeling the core and the shell with fluorescent dyes, a donor and an acceptor, respectively and inversely. Donor fluorescence emission intensity was recorded in dilute latex dispersions. Analysis of donor fluorescence decay was carried out by choosing a donor concentration profile within the particles. The analysis revealed the absence of a sharp boundary between the core and the shell, but rather a diffuse interface, which was quantified to within a few tens of nanometers for our ca. 230 nm diameter particles. The scale of this interface was changed by varying the compatibility between the core and the shell.
doi_str_mv 10.1021/ma960392n
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subjects Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Properties and characterization
Structure, morphology and analysis
title Core−Shell Latex Particles Containing a Fluorinated Polymer in the Shell. 2. Internal Structure Studied by Fluorescence Nonradiative Energy Transfer
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