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Covalent versus Electrostatic Strategies for Nanoparticle Immobilisation

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Covalent versus Electrostatic Strategies for Nanoparticle Immobilisation. / Mertens, S.F.L.; Bütikofer, A.; Siffert, L. et al.
In: Electroanalysis, Vol. 22, No. 24, 2010, p. 2940-2946.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Mertens, SFL, Bütikofer, A, Siffert, L & Wandlowski, T 2010, 'Covalent versus Electrostatic Strategies for Nanoparticle Immobilisation', Electroanalysis, vol. 22, no. 24, pp. 2940-2946. https://doi.org/10.1002/elan.201000311

APA

Mertens, S. F. L., Bütikofer, A., Siffert, L., & Wandlowski, T. (2010). Covalent versus Electrostatic Strategies for Nanoparticle Immobilisation. Electroanalysis, 22(24), 2940-2946. https://doi.org/10.1002/elan.201000311

Vancouver

Mertens SFL, Bütikofer A, Siffert L, Wandlowski T. Covalent versus Electrostatic Strategies for Nanoparticle Immobilisation. Electroanalysis. 2010;22(24):2940-2946. doi: 10.1002/elan.201000311

Author

Mertens, S.F.L. ; Bütikofer, A. ; Siffert, L. et al. / Covalent versus Electrostatic Strategies for Nanoparticle Immobilisation. In: Electroanalysis. 2010 ; Vol. 22, No. 24. pp. 2940-2946.

Bibtex

@article{ac2b01621d6941a5b5e445f6e1906492,
title = "Covalent versus Electrostatic Strategies for Nanoparticle Immobilisation",
abstract = "We demonstrate that in neutral electrolytes, a polyelectrolyte-based (ω-mercaptoacid/poly-L-lysine) immobilisation strategy for as-prepared electrostatically stabilised metal nanoparticles is a powerful alternative to often difficult to control dithiol approaches. Our data confirm straightforward preparation of high-coverage nanoparticle electrodes with fast kinetics and an electrochemical window of up to 1.5 V even in unbuffered solutions, under both stationary and hydrodynamic conditions. The stability region is limited by reductive desorption of the mercaptocarboxylic acid at negative potentials, and by nanoparticle oxidation at positive potentials. The electrostatic immobilisation is valuable for the study of electroanalytical and electrocatalytic processes using nanoparticulate electrode materials. {\textcopyright} 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.",
keywords = "1,4-Benzenedimethanethiol, Citrate, Cyclic voltammetry, Poly-L-lysine, Self-assembly",
author = "S.F.L. Mertens and A. B{\"u}tikofer and L. Siffert and T. Wandlowski",
year = "2010",
doi = "10.1002/elan.201000311",
language = "English",
volume = "22",
pages = "2940--2946",
journal = "Electroanalysis",
issn = "1040-0397",
publisher = "Wiley-VCH Verlag",
number = "24",

}

RIS

TY - JOUR

T1 - Covalent versus Electrostatic Strategies for Nanoparticle Immobilisation

AU - Mertens, S.F.L.

AU - Bütikofer, A.

AU - Siffert, L.

AU - Wandlowski, T.

PY - 2010

Y1 - 2010

N2 - We demonstrate that in neutral electrolytes, a polyelectrolyte-based (ω-mercaptoacid/poly-L-lysine) immobilisation strategy for as-prepared electrostatically stabilised metal nanoparticles is a powerful alternative to often difficult to control dithiol approaches. Our data confirm straightforward preparation of high-coverage nanoparticle electrodes with fast kinetics and an electrochemical window of up to 1.5 V even in unbuffered solutions, under both stationary and hydrodynamic conditions. The stability region is limited by reductive desorption of the mercaptocarboxylic acid at negative potentials, and by nanoparticle oxidation at positive potentials. The electrostatic immobilisation is valuable for the study of electroanalytical and electrocatalytic processes using nanoparticulate electrode materials. © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

AB - We demonstrate that in neutral electrolytes, a polyelectrolyte-based (ω-mercaptoacid/poly-L-lysine) immobilisation strategy for as-prepared electrostatically stabilised metal nanoparticles is a powerful alternative to often difficult to control dithiol approaches. Our data confirm straightforward preparation of high-coverage nanoparticle electrodes with fast kinetics and an electrochemical window of up to 1.5 V even in unbuffered solutions, under both stationary and hydrodynamic conditions. The stability region is limited by reductive desorption of the mercaptocarboxylic acid at negative potentials, and by nanoparticle oxidation at positive potentials. The electrostatic immobilisation is valuable for the study of electroanalytical and electrocatalytic processes using nanoparticulate electrode materials. © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

KW - 1,4-Benzenedimethanethiol

KW - Citrate

KW - Cyclic voltammetry

KW - Poly-L-lysine

KW - Self-assembly

U2 - 10.1002/elan.201000311

DO - 10.1002/elan.201000311

M3 - Journal article

VL - 22

SP - 2940

EP - 2946

JO - Electroanalysis

JF - Electroanalysis

SN - 1040-0397

IS - 24

ER -