First insights into electrografted polymers by AFM-based force spectroscopy
(2006) Macromolecules — Vol. 39, n° 24, p. 8428-8433 (2006)
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- Abstract
- The very first characterization of the structural properties of polymer films obtained by electrografting is reported. AFM-based force spectroscopy was used to investigate poly-N-succinimidyl acrylate (PNSA) layers electrografted directly from a silicon substrate. Quantitative analysis of compression profiles obtained in a good solvent and single molecule bridging interaction, in light of the Alexander-de Gennes model, gave access to the grafting density and degree of polymerization. A high swelling capacity has been evidenced. This report is the first evidence that polymers obtained by cathodic electrografting are in fact brush systems, and consequently the first evidence that a polymer brush can be obtained from a direct "grafting from" method, without any intermediate layer.
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Citations
Cuenot, S., Gabriel, S., Jerome, R., Jerome, C., Fustin, C.-A., Jonas, A., & Duwez, A.-S. (2006). First insights into electrografted polymers by AFM-based force spectroscopy. Macromolecules, 39(24), 8428-8433. https://doi.org/10.1021/ma060824m (Original work published 2006)