Coil-by-coil assembly of poly[acrylamide-co-3-(methacryl-amido)- phenylboronic acid] with polydiallyldimethyl-ammonium to give alizarin red S responsive films

S. Shariki, O.T.L. Cox, D.A. Tickell, T.D. James, S.E.C. Dale, F. Marken, M.P. Pereira Morais, J.M.H. Van Den Elsen, S. Bending

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Abstract

An electrolyte-stable polymer composite sensor film based on 2.4% boronic acid substituted polyacrylamide (poly[acrylamide-co-3-(methacrylamido)- phenylboronic acid] or P(A-MPBA)) and polydiallyl-dimethyl-ammonium chloride (or PDDACl) is obtained in a coil-by-coil deposition procedure. Based on AFM evidence, the resulting coil aggregate deposits show ca. 5-10 nm diameter and the average film thickness increases with ca. 1 nm per deposition cycle consistent approximately with the solution coil diameter. In electrochemical experiments alizarin red S is employed as a boronic acid indicating redox probe with a Langmuirian binding constant of ca. K = 4 × 10 M and two distinct redox responses tentatively assigned here to two isomeric forms of the complex in oxidized and reduced state. Inter- and intra-coil electron transfer and electron hopping occurs during alizarin red S reduction and back-oxidation. Both smooth and mesoporous ITO substrates are employed.
Original languageEnglish
Pages (from-to)18999-19006
Number of pages8
JournalJournal of Materials Chemistry
Volume22
Issue number36
DOIs
Publication statusPublished - 28 Sep 2012

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Alizarin
Boronic Acids
Polyacrylates
Ammonium Compounds
Ammonium Chloride
Acids
Electrons
Electrolytes
Film thickness
Polymers
Deposits
Oxidation
Sensors
Composite materials
Substrates
Experiments
benzeneboronic acid
Alizarin Red S
Oxidation-Reduction
polyacrylamide

Cite this

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title = "Coil-by-coil assembly of poly[acrylamide-co-3-(methacryl-amido)- phenylboronic acid] with polydiallyldimethyl-ammonium to give alizarin red S responsive films",
abstract = "An electrolyte-stable polymer composite sensor film based on 2.4{\%} boronic acid substituted polyacrylamide (poly[acrylamide-co-3-(methacrylamido)- phenylboronic acid] or P(A-MPBA)) and polydiallyl-dimethyl-ammonium chloride (or PDDACl) is obtained in a coil-by-coil deposition procedure. Based on AFM evidence, the resulting coil aggregate deposits show ca. 5-10 nm diameter and the average film thickness increases with ca. 1 nm per deposition cycle consistent approximately with the solution coil diameter. In electrochemical experiments alizarin red S is employed as a boronic acid indicating redox probe with a Langmuirian binding constant of ca. K = 4 × 10 M and two distinct redox responses tentatively assigned here to two isomeric forms of the complex in oxidized and reduced state. Inter- and intra-coil electron transfer and electron hopping occurs during alizarin red S reduction and back-oxidation. Both smooth and mesoporous ITO substrates are employed.",
author = "S. Shariki and O.T.L. Cox and D.A. Tickell and T.D. James and S.E.C. Dale and F. Marken and {Pereira Morais}, M.P. and {Van Den Elsen}, J.M.H. and S. Bending",
year = "2012",
month = "9",
day = "28",
doi = "10.1039/c2jm31089a",
language = "English",
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pages = "18999--19006",
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T1 - Coil-by-coil assembly of poly[acrylamide-co-3-(methacryl-amido)- phenylboronic acid] with polydiallyldimethyl-ammonium to give alizarin red S responsive films

AU - Shariki, S.

AU - Cox, O.T.L.

AU - Tickell, D.A.

AU - James, T.D.

AU - Dale, S.E.C.

AU - Marken, F.

AU - Pereira Morais, M.P.

AU - Van Den Elsen, J.M.H.

AU - Bending, S.

PY - 2012/9/28

Y1 - 2012/9/28

N2 - An electrolyte-stable polymer composite sensor film based on 2.4% boronic acid substituted polyacrylamide (poly[acrylamide-co-3-(methacrylamido)- phenylboronic acid] or P(A-MPBA)) and polydiallyl-dimethyl-ammonium chloride (or PDDACl) is obtained in a coil-by-coil deposition procedure. Based on AFM evidence, the resulting coil aggregate deposits show ca. 5-10 nm diameter and the average film thickness increases with ca. 1 nm per deposition cycle consistent approximately with the solution coil diameter. In electrochemical experiments alizarin red S is employed as a boronic acid indicating redox probe with a Langmuirian binding constant of ca. K = 4 × 10 M and two distinct redox responses tentatively assigned here to two isomeric forms of the complex in oxidized and reduced state. Inter- and intra-coil electron transfer and electron hopping occurs during alizarin red S reduction and back-oxidation. Both smooth and mesoporous ITO substrates are employed.

AB - An electrolyte-stable polymer composite sensor film based on 2.4% boronic acid substituted polyacrylamide (poly[acrylamide-co-3-(methacrylamido)- phenylboronic acid] or P(A-MPBA)) and polydiallyl-dimethyl-ammonium chloride (or PDDACl) is obtained in a coil-by-coil deposition procedure. Based on AFM evidence, the resulting coil aggregate deposits show ca. 5-10 nm diameter and the average film thickness increases with ca. 1 nm per deposition cycle consistent approximately with the solution coil diameter. In electrochemical experiments alizarin red S is employed as a boronic acid indicating redox probe with a Langmuirian binding constant of ca. K = 4 × 10 M and two distinct redox responses tentatively assigned here to two isomeric forms of the complex in oxidized and reduced state. Inter- and intra-coil electron transfer and electron hopping occurs during alizarin red S reduction and back-oxidation. Both smooth and mesoporous ITO substrates are employed.

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