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Increased propensity of Iaq - for the water surface in non-neutral solutions: Implications for the interfacial behavior of H 3Oaq + and OHaq -

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Increased propensity of Iaq - for the water surface in non-neutral solutions : Implications for the interfacial behavior of H 3Oaq + and OHaq -. / Ottosson, N.; Cwiklik, L.; Söderström, J.; Björneholm, O.; Öhrwall, G.; Jungwirth, P.

In: Journal of Physical Chemistry Letters, Vol. 2, No. 9, 05.05.2011, p. 972-976.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Ottosson, N, Cwiklik, L, Söderström, J, Björneholm, O, Öhrwall, G & Jungwirth, P 2011, 'Increased propensity of Iaq - for the water surface in non-neutral solutions: Implications for the interfacial behavior of H 3Oaq + and OHaq -', Journal of Physical Chemistry Letters, vol. 2, no. 9, pp. 972-976. https://doi.org/10.1021/jz2003233

APA

Ottosson, N., Cwiklik, L., Söderström, J., Björneholm, O., Öhrwall, G., & Jungwirth, P. (2011). Increased propensity of Iaq - for the water surface in non-neutral solutions: Implications for the interfacial behavior of H 3Oaq + and OHaq -. Journal of Physical Chemistry Letters, 2(9), 972-976. https://doi.org/10.1021/jz2003233

Vancouver

Ottosson N, Cwiklik L, Söderström J, Björneholm O, Öhrwall G, Jungwirth P. Increased propensity of Iaq - for the water surface in non-neutral solutions: Implications for the interfacial behavior of H 3Oaq + and OHaq -. Journal of Physical Chemistry Letters. 2011 May 5;2(9):972-976. https://doi.org/10.1021/jz2003233

Author

Ottosson, N. ; Cwiklik, L. ; Söderström, J. ; Björneholm, O. ; Öhrwall, G. ; Jungwirth, P. / Increased propensity of Iaq - for the water surface in non-neutral solutions : Implications for the interfacial behavior of H 3Oaq + and OHaq -. In: Journal of Physical Chemistry Letters. 2011 ; Vol. 2, No. 9. pp. 972-976.

Bibtex - Download

@article{d9058209af3d4a47af9b18e10f4bcebc,
title = "Increased propensity of Iaq - for the water surface in non-neutral solutions: Implications for the interfacial behavior of H 3Oaq + and OHaq -",
abstract = "By a combination of surface-sensitive photoelectron spectroscopy and molecular dynamics simulations, we characterize the surface propensity of the iodide anion in aqueous solutions at acidic, neutral, and basic conditions (pH = 1, 6.8 and 13). In both experiments and simulations, an increased surface concentration of I- is found in non-neutral solutions. We interpret these findings in terms of I- surface coadsorption with hydronium at low pH and salting out of iodide by hydroxide from the bulk solution to the surface at high pH. The present study is thus in accord with the picture of a weak surface adsorption of hydronium and surface depletion of hydroxide, being in sharp contradiction with the interpretation of electrophoretic and titration measurements in terms of strong surface enrichment of OH-.",
author = "N. Ottosson and L. Cwiklik and J. S{\"o}derstr{\"o}m and O. Bj{\"o}rneholm and G. {\"O}hrwall and P. Jungwirth",
year = "2011",
month = "5",
day = "5",
doi = "10.1021/jz2003233",
language = "English",
volume = "2",
pages = "972--976",
journal = "Journal of Physical Chemistry Letters",
issn = "1948-7185",
publisher = "American Chemical Society",
number = "9",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Increased propensity of Iaq - for the water surface in non-neutral solutions

T2 - Implications for the interfacial behavior of H 3Oaq + and OHaq -

AU - Ottosson, N.

AU - Cwiklik, L.

AU - Söderström, J.

AU - Björneholm, O.

AU - Öhrwall, G.

AU - Jungwirth, P.

PY - 2011/5/5

Y1 - 2011/5/5

N2 - By a combination of surface-sensitive photoelectron spectroscopy and molecular dynamics simulations, we characterize the surface propensity of the iodide anion in aqueous solutions at acidic, neutral, and basic conditions (pH = 1, 6.8 and 13). In both experiments and simulations, an increased surface concentration of I- is found in non-neutral solutions. We interpret these findings in terms of I- surface coadsorption with hydronium at low pH and salting out of iodide by hydroxide from the bulk solution to the surface at high pH. The present study is thus in accord with the picture of a weak surface adsorption of hydronium and surface depletion of hydroxide, being in sharp contradiction with the interpretation of electrophoretic and titration measurements in terms of strong surface enrichment of OH-.

AB - By a combination of surface-sensitive photoelectron spectroscopy and molecular dynamics simulations, we characterize the surface propensity of the iodide anion in aqueous solutions at acidic, neutral, and basic conditions (pH = 1, 6.8 and 13). In both experiments and simulations, an increased surface concentration of I- is found in non-neutral solutions. We interpret these findings in terms of I- surface coadsorption with hydronium at low pH and salting out of iodide by hydroxide from the bulk solution to the surface at high pH. The present study is thus in accord with the picture of a weak surface adsorption of hydronium and surface depletion of hydroxide, being in sharp contradiction with the interpretation of electrophoretic and titration measurements in terms of strong surface enrichment of OH-.

UR - http://www.scopus.com/inward/record.url?scp=79955909583&partnerID=8YFLogxK

U2 - 10.1021/jz2003233

DO - 10.1021/jz2003233

M3 - Article

VL - 2

SP - 972

EP - 976

JO - Journal of Physical Chemistry Letters

JF - Journal of Physical Chemistry Letters

SN - 1948-7185

IS - 9

ER -