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Quantised double layer charging of monolayer-protected clusters in a room temperature ionic liquid

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

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Quantised double layer charging of monolayer-protected clusters in a room temperature ionic liquid. / Mertens, S.F.L.; Blech, K.; Sologubenko, A.S. et al.
In: Electrochimica Acta, Vol. 54, No. 22, 2009, p. 5006-5010.

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

Harvard

Mertens, SFL, Blech, K, Sologubenko, AS, Mayer, J, Simon, U & Wandlowski, T 2009, 'Quantised double layer charging of monolayer-protected clusters in a room temperature ionic liquid', Electrochimica Acta, vol. 54, no. 22, pp. 5006-5010. https://doi.org/10.1016/j.electacta.2009.02.051

APA

Mertens, S. F. L., Blech, K., Sologubenko, A. S., Mayer, J., Simon, U., & Wandlowski, T. (2009). Quantised double layer charging of monolayer-protected clusters in a room temperature ionic liquid. Electrochimica Acta, 54(22), 5006-5010. https://doi.org/10.1016/j.electacta.2009.02.051

Vancouver

Mertens SFL, Blech K, Sologubenko AS, Mayer J, Simon U, Wandlowski T. Quantised double layer charging of monolayer-protected clusters in a room temperature ionic liquid. Electrochimica Acta. 2009;54(22):5006-5010. doi: 10.1016/j.electacta.2009.02.051

Author

Mertens, S.F.L. ; Blech, K. ; Sologubenko, A.S. et al. / Quantised double layer charging of monolayer-protected clusters in a room temperature ionic liquid. In: Electrochimica Acta. 2009 ; Vol. 54, No. 22. pp. 5006-5010.

Bibtex

@article{a1fa11c42310495193fd57237eaad073,
title = "Quantised double layer charging of monolayer-protected clusters in a room temperature ionic liquid",
abstract = "We report, for the first time, symmetric (versus cluster potential of zero charge) charging of narrowly dispersed monolayer-protected Au 145 cluster films in a room temperature ionic liquid. Near-reversible voltammetric features are found, indicating up to nine electrochemically accessible charge states with assigned values between -4 and +5. The zero charge state has a stability range of 276 mV, very similar as found in solution-phase voltammetry. All other charge states are more narrowly spaced, indicating a sudden increase in cluster capacitance. We ascribe this effect to an abrupt change in local dielectric constant on insertion of one or more counter ions, following departure from zero charge, with a possible contribution of coupled electron-ion transfer. Our findings open perspectives of potential technological importance involving nanocrystal-based device-like behaviour. {\textcopyright} 2009 Elsevier Ltd. All rights reserved.",
keywords = "Drop-cast films, Gold clusters, Ionic liquids, Nanoparticles, Quantised charging, A-stability, Abrupt change, Charge state, Cluster films, Counterion, Double layer charging, Electron ions, Local dielectric constant, Monolayer protected clusters, Potential of zero charge, Room temperature ionic liquids, Voltammetric, Zero charge, Drops, Gold compounds, Ionization of liquids, Ions, Monolayers",
author = "S.F.L. Mertens and K. Blech and A.S. Sologubenko and J. Mayer and U. Simon and T. Wandlowski",
year = "2009",
doi = "10.1016/j.electacta.2009.02.051",
language = "English",
volume = "54",
pages = "5006--5010",
journal = "Electrochimica Acta",
issn = "0013-4686",
publisher = "Elsevier Ltd",
number = "22",

}

RIS

TY - JOUR

T1 - Quantised double layer charging of monolayer-protected clusters in a room temperature ionic liquid

AU - Mertens, S.F.L.

AU - Blech, K.

AU - Sologubenko, A.S.

AU - Mayer, J.

AU - Simon, U.

AU - Wandlowski, T.

PY - 2009

Y1 - 2009

N2 - We report, for the first time, symmetric (versus cluster potential of zero charge) charging of narrowly dispersed monolayer-protected Au 145 cluster films in a room temperature ionic liquid. Near-reversible voltammetric features are found, indicating up to nine electrochemically accessible charge states with assigned values between -4 and +5. The zero charge state has a stability range of 276 mV, very similar as found in solution-phase voltammetry. All other charge states are more narrowly spaced, indicating a sudden increase in cluster capacitance. We ascribe this effect to an abrupt change in local dielectric constant on insertion of one or more counter ions, following departure from zero charge, with a possible contribution of coupled electron-ion transfer. Our findings open perspectives of potential technological importance involving nanocrystal-based device-like behaviour. © 2009 Elsevier Ltd. All rights reserved.

AB - We report, for the first time, symmetric (versus cluster potential of zero charge) charging of narrowly dispersed monolayer-protected Au 145 cluster films in a room temperature ionic liquid. Near-reversible voltammetric features are found, indicating up to nine electrochemically accessible charge states with assigned values between -4 and +5. The zero charge state has a stability range of 276 mV, very similar as found in solution-phase voltammetry. All other charge states are more narrowly spaced, indicating a sudden increase in cluster capacitance. We ascribe this effect to an abrupt change in local dielectric constant on insertion of one or more counter ions, following departure from zero charge, with a possible contribution of coupled electron-ion transfer. Our findings open perspectives of potential technological importance involving nanocrystal-based device-like behaviour. © 2009 Elsevier Ltd. All rights reserved.

KW - Drop-cast films

KW - Gold clusters

KW - Ionic liquids

KW - Nanoparticles

KW - Quantised charging

KW - A-stability

KW - Abrupt change

KW - Charge state

KW - Cluster films

KW - Counterion

KW - Double layer charging

KW - Electron ions

KW - Local dielectric constant

KW - Monolayer protected clusters

KW - Potential of zero charge

KW - Room temperature ionic liquids

KW - Voltammetric

KW - Zero charge

KW - Drops

KW - Gold compounds

KW - Ionization of liquids

KW - Ions

KW - Monolayers

U2 - 10.1016/j.electacta.2009.02.051

DO - 10.1016/j.electacta.2009.02.051

M3 - Journal article

VL - 54

SP - 5006

EP - 5010

JO - Electrochimica Acta

JF - Electrochimica Acta

SN - 0013-4686

IS - 22

ER -