Cation adsorption-induced enhancement and disruption of oscillatory hydration forces at mica-electrolyte interfaces

Research output: Contribution to conferencePosterAcademic

Abstract

High resolution AFM spectroscopy was used to investigate the oscillatory hydration forces at mica-electrolyte interfaces for the chloride salts of alkali cations for concentrations up to 4M. Pronounces force oscillations reflecting the layering in purified water are modified in an ion specific manner beyond an ion-dependent threshold concentration. While only a slight enhancement of the oscillatory forces is seen for the so-called kosmotropic (‘structure forming’) ions Na+ and K+, the force oscillations completely disappear for the chaotropic (‘i.e. ‘structure-breaking’) ions Cs+ and Rb+ suggesting a disruption of the hydration layers
Original languageEnglish
Publication statusPublished - 18 Sep 2018
Event21st International Conference on Non-Contact Atomic Force Microscopy 2018 - Porvoo Art Factory, Porvoo, Finland
Duration: 17 Sep 201821 Sep 2018
Conference number: 21
https://ncafm2018.aalto.fi/

Conference

Conference21st International Conference on Non-Contact Atomic Force Microscopy 2018
Abbreviated titleNC-AFM 2018
CountryFinland
CityPorvoo
Period17/09/1821/09/18
Internet address

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mica
hydration
electrolytes
cations
adsorption
augmentation
ions
oscillations
alkalies
chlorides
atomic force microscopy
salts
thresholds
high resolution
water
spectroscopy

Cite this

van Lin, S. R., Sîretanu, I., & Mugele, F. G. (2018). Cation adsorption-induced enhancement and disruption of oscillatory hydration forces at mica-electrolyte interfaces. Poster session presented at 21st International Conference on Non-Contact Atomic Force Microscopy 2018, Porvoo, Finland.
van Lin, S.R. ; Sîretanu, Igor ; Mugele, Friedrich Gunther. / Cation adsorption-induced enhancement and disruption of oscillatory hydration forces at mica-electrolyte interfaces. Poster session presented at 21st International Conference on Non-Contact Atomic Force Microscopy 2018, Porvoo, Finland.
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abstract = "High resolution AFM spectroscopy was used to investigate the oscillatory hydration forces at mica-electrolyte interfaces for the chloride salts of alkali cations for concentrations up to 4M. Pronounces force oscillations reflecting the layering in purified water are modified in an ion specific manner beyond an ion-dependent threshold concentration. While only a slight enhancement of the oscillatory forces is seen for the so-called kosmotropic (‘structure forming’) ions Na+ and K+, the force oscillations completely disappear for the chaotropic (‘i.e. ‘structure-breaking’) ions Cs+ and Rb+ suggesting a disruption of the hydration layers",
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note = "21st International Conference on Non-Contact Atomic Force Microscopy 2018, NC-AFM 2018 ; Conference date: 17-09-2018 Through 21-09-2018",
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van Lin, SR, Sîretanu, I & Mugele, FG 2018, 'Cation adsorption-induced enhancement and disruption of oscillatory hydration forces at mica-electrolyte interfaces' 21st International Conference on Non-Contact Atomic Force Microscopy 2018, Porvoo, Finland, 17/09/18 - 21/09/18, .

Cation adsorption-induced enhancement and disruption of oscillatory hydration forces at mica-electrolyte interfaces. / van Lin, S.R.; Sîretanu, Igor ; Mugele, Friedrich Gunther.

2018. Poster session presented at 21st International Conference on Non-Contact Atomic Force Microscopy 2018, Porvoo, Finland.

Research output: Contribution to conferencePosterAcademic

TY - CONF

T1 - Cation adsorption-induced enhancement and disruption of oscillatory hydration forces at mica-electrolyte interfaces

AU - van Lin, S.R.

AU - Sîretanu, Igor

AU - Mugele, Friedrich Gunther

PY - 2018/9/18

Y1 - 2018/9/18

N2 - High resolution AFM spectroscopy was used to investigate the oscillatory hydration forces at mica-electrolyte interfaces for the chloride salts of alkali cations for concentrations up to 4M. Pronounces force oscillations reflecting the layering in purified water are modified in an ion specific manner beyond an ion-dependent threshold concentration. While only a slight enhancement of the oscillatory forces is seen for the so-called kosmotropic (‘structure forming’) ions Na+ and K+, the force oscillations completely disappear for the chaotropic (‘i.e. ‘structure-breaking’) ions Cs+ and Rb+ suggesting a disruption of the hydration layers

AB - High resolution AFM spectroscopy was used to investigate the oscillatory hydration forces at mica-electrolyte interfaces for the chloride salts of alkali cations for concentrations up to 4M. Pronounces force oscillations reflecting the layering in purified water are modified in an ion specific manner beyond an ion-dependent threshold concentration. While only a slight enhancement of the oscillatory forces is seen for the so-called kosmotropic (‘structure forming’) ions Na+ and K+, the force oscillations completely disappear for the chaotropic (‘i.e. ‘structure-breaking’) ions Cs+ and Rb+ suggesting a disruption of the hydration layers

M3 - Poster

ER -

van Lin SR, Sîretanu I, Mugele FG. Cation adsorption-induced enhancement and disruption of oscillatory hydration forces at mica-electrolyte interfaces. 2018. Poster session presented at 21st International Conference on Non-Contact Atomic Force Microscopy 2018, Porvoo, Finland.