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Immersion transients reveal potential of zero charge of nanoparticle films

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Immersion transients reveal potential of zero charge of nanoparticle films. / Cui, K.; De Feyter, S.; Mertens, S.F.L.

In: Electrochemistry Communications, Vol. 25, No. 1, 2012, p. 128-131.

Research output: Contribution to journalJournal article

Harvard

Cui, K, De Feyter, S & Mertens, SFL 2012, 'Immersion transients reveal potential of zero charge of nanoparticle films', Electrochemistry Communications, vol. 25, no. 1, pp. 128-131. https://doi.org/10.1016/j.elecom.2012.09.035

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Author

Cui, K. ; De Feyter, S. ; Mertens, S.F.L. / Immersion transients reveal potential of zero charge of nanoparticle films. In: Electrochemistry Communications. 2012 ; Vol. 25, No. 1. pp. 128-131.

Bibtex

@article{6b5336b7da2f49c2857ff4c87dd98e00,
title = "Immersion transients reveal potential of zero charge of nanoparticle films",
abstract = "We present a simple yet absolute method for the assignment of the zero charge state of metal nanoparticle films during their electrochemical charging. The method is based on measuring the current transient that accompanies the potential controlled immersion of a pristine, ion-free cluster film in an electrolyte, and does not rely on relative quantities such as mass changes of an already immersed film. Therefore, the method is impervious to details of counter ion insertion - for instance whether the electrolyte can partition into the film or not - without which no charging can be observed. Examples of positive and negative ion-limited charging are presented, and an example of ambipolar cluster charging, covering the three possible cases. The immersion method can be readily applied to other cases of coupled electron-ion transfer, as in the three-phase electrochemistry of redox droplets and thin films. {\textcopyright} 2012 Elsevier B.V.",
keywords = "Coupled electron-ion transfer, Ionic liquids, Nanoparticles, Thin films, Voltammetry, Ambipolar, Cluster films, Counterions, Current transients, Electrochemical charging, Electron ions, Immersion method, Mass change, Nanoparticle films, Potential controlled, Potential of zero charge, Zero charge, Electrochemistry, Electrolytes, Metallic films",
author = "K. Cui and {De Feyter}, S. and S.F.L. Mertens",
year = "2012",
doi = "10.1016/j.elecom.2012.09.035",
language = "English",
volume = "25",
pages = "128--131",
journal = "Electrochemistry Communications",
issn = "1388-2481",
publisher = "Elsevier Inc.",
number = "1",

}

RIS

TY - JOUR

T1 - Immersion transients reveal potential of zero charge of nanoparticle films

AU - Cui, K.

AU - De Feyter, S.

AU - Mertens, S.F.L.

PY - 2012

Y1 - 2012

N2 - We present a simple yet absolute method for the assignment of the zero charge state of metal nanoparticle films during their electrochemical charging. The method is based on measuring the current transient that accompanies the potential controlled immersion of a pristine, ion-free cluster film in an electrolyte, and does not rely on relative quantities such as mass changes of an already immersed film. Therefore, the method is impervious to details of counter ion insertion - for instance whether the electrolyte can partition into the film or not - without which no charging can be observed. Examples of positive and negative ion-limited charging are presented, and an example of ambipolar cluster charging, covering the three possible cases. The immersion method can be readily applied to other cases of coupled electron-ion transfer, as in the three-phase electrochemistry of redox droplets and thin films. © 2012 Elsevier B.V.

AB - We present a simple yet absolute method for the assignment of the zero charge state of metal nanoparticle films during their electrochemical charging. The method is based on measuring the current transient that accompanies the potential controlled immersion of a pristine, ion-free cluster film in an electrolyte, and does not rely on relative quantities such as mass changes of an already immersed film. Therefore, the method is impervious to details of counter ion insertion - for instance whether the electrolyte can partition into the film or not - without which no charging can be observed. Examples of positive and negative ion-limited charging are presented, and an example of ambipolar cluster charging, covering the three possible cases. The immersion method can be readily applied to other cases of coupled electron-ion transfer, as in the three-phase electrochemistry of redox droplets and thin films. © 2012 Elsevier B.V.

KW - Coupled electron-ion transfer

KW - Ionic liquids

KW - Nanoparticles

KW - Thin films

KW - Voltammetry

KW - Ambipolar

KW - Cluster films

KW - Counterions

KW - Current transients

KW - Electrochemical charging

KW - Electron ions

KW - Immersion method

KW - Mass change

KW - Nanoparticle films

KW - Potential controlled

KW - Potential of zero charge

KW - Zero charge

KW - Electrochemistry

KW - Electrolytes

KW - Metallic films

U2 - 10.1016/j.elecom.2012.09.035

DO - 10.1016/j.elecom.2012.09.035

M3 - Journal article

VL - 25

SP - 128

EP - 131

JO - Electrochemistry Communications

JF - Electrochemistry Communications

SN - 1388-2481

IS - 1

ER -