Dynamics of Liquid 1-Ethyl-3-Methylimidazolium Acetate Measured with Implanted-Ion 8Li β-NMR

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Standard

Dynamics of Liquid 1-Ethyl-3-Methylimidazolium Acetate Measured with Implanted-Ion 8Li β-NMR. / Fujimoto, Derek; McFadden, Ryan M.L.; Dehn, Martin H.; Petel, Yael; Chatzichristos, Aris; Hemmingsen, Lars Bo Stegeager; Karner, Victoria L.; Kiefl, Robert F.; Levy, C.D. Philip; McKenzie, Iain; Michal, Carl A.; Morris, Gerald D.; Pearson, Matthew R.; Szunyogh, Daniel Mihaly; Ticknor, John O.; Stachura, Monika; McFarlane, W. Andrew.

I: Chemistry of Materials, Bind 31, Nr. 22, 2019, s. 9346-9353.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Fujimoto, D, McFadden, RML, Dehn, MH, Petel, Y, Chatzichristos, A, Hemmingsen, LBS, Karner, VL, Kiefl, RF, Levy, CDP, McKenzie, I, Michal, CA, Morris, GD, Pearson, MR, Szunyogh, DM, Ticknor, JO, Stachura, M & McFarlane, WA 2019, 'Dynamics of Liquid 1-Ethyl-3-Methylimidazolium Acetate Measured with Implanted-Ion 8Li β-NMR', Chemistry of Materials, bind 31, nr. 22, s. 9346-9353. https://doi.org/10.1021/acs.chemmater.9b02864

APA

Fujimoto, D., McFadden, R. M. L., Dehn, M. H., Petel, Y., Chatzichristos, A., Hemmingsen, L. B. S., Karner, V. L., Kiefl, R. F., Levy, C. D. P., McKenzie, I., Michal, C. A., Morris, G. D., Pearson, M. R., Szunyogh, D. M., Ticknor, J. O., Stachura, M., & McFarlane, W. A. (2019). Dynamics of Liquid 1-Ethyl-3-Methylimidazolium Acetate Measured with Implanted-Ion 8Li β-NMR. Chemistry of Materials, 31(22), 9346-9353. https://doi.org/10.1021/acs.chemmater.9b02864

Vancouver

Fujimoto D, McFadden RML, Dehn MH, Petel Y, Chatzichristos A, Hemmingsen LBS o.a. Dynamics of Liquid 1-Ethyl-3-Methylimidazolium Acetate Measured with Implanted-Ion 8Li β-NMR. Chemistry of Materials. 2019;31(22):9346-9353. https://doi.org/10.1021/acs.chemmater.9b02864

Author

Fujimoto, Derek ; McFadden, Ryan M.L. ; Dehn, Martin H. ; Petel, Yael ; Chatzichristos, Aris ; Hemmingsen, Lars Bo Stegeager ; Karner, Victoria L. ; Kiefl, Robert F. ; Levy, C.D. Philip ; McKenzie, Iain ; Michal, Carl A. ; Morris, Gerald D. ; Pearson, Matthew R. ; Szunyogh, Daniel Mihaly ; Ticknor, John O. ; Stachura, Monika ; McFarlane, W. Andrew. / Dynamics of Liquid 1-Ethyl-3-Methylimidazolium Acetate Measured with Implanted-Ion 8Li β-NMR. I: Chemistry of Materials. 2019 ; Bind 31, Nr. 22. s. 9346-9353.

Bibtex

@article{747d66ee29ca4c9da20575c178ce868c,
title = "Dynamics of Liquid 1-Ethyl-3-Methylimidazolium Acetate Measured with Implanted-Ion 8Li β-NMR",
abstract = "We demonstrate the application of implanted-ion β-detected NMR as a probe of ionic liquid molecular dynamics through the measurement of 8Li spin-lattice relaxation (SLR) and resonance in 1-ethyl-3-methylimidazolium acetate. The motional narrowing of the resonance and the local maxima in the SLR rate, 1/T1, imply sensitivity to subnanosecond Li+ solvation dynamics. From an analysis of 1/T1, we extract an activation energy EA = 74.8(1.5) meV and Vogel–Fulcher–Tammann constant TVFT = 165.8(0.9) K, in agreement with the dynamic viscosity of the bulk solvent. Near the melting point, the lineshape is broad and intense, and the form of the relaxation is nonexponential, reflective of our sensitivity to heterogeneous dynamics near the glass transition. The depth resolution of this technique may later provide a unique means of studying nanoscale phenomena in ionic liquids.",
author = "Derek Fujimoto and McFadden, {Ryan M.L.} and Dehn, {Martin H.} and Yael Petel and Aris Chatzichristos and Hemmingsen, {Lars Bo Stegeager} and Karner, {Victoria L.} and Kiefl, {Robert F.} and Levy, {C.D. Philip} and Iain McKenzie and Michal, {Carl A.} and Morris, {Gerald D.} and Pearson, {Matthew R.} and Szunyogh, {Daniel Mihaly} and Ticknor, {John O.} and Monika Stachura and McFarlane, {W. Andrew}",
year = "2019",
doi = "10.1021/acs.chemmater.9b02864",
language = "English",
volume = "31",
pages = "9346--9353",
journal = "Chemistry of Materials",
issn = "0897-4756",
publisher = "American Chemical Society",
number = "22",

}

RIS

TY - JOUR

T1 - Dynamics of Liquid 1-Ethyl-3-Methylimidazolium Acetate Measured with Implanted-Ion 8Li β-NMR

AU - Fujimoto, Derek

AU - McFadden, Ryan M.L.

AU - Dehn, Martin H.

AU - Petel, Yael

AU - Chatzichristos, Aris

AU - Hemmingsen, Lars Bo Stegeager

AU - Karner, Victoria L.

AU - Kiefl, Robert F.

AU - Levy, C.D. Philip

AU - McKenzie, Iain

AU - Michal, Carl A.

AU - Morris, Gerald D.

AU - Pearson, Matthew R.

AU - Szunyogh, Daniel Mihaly

AU - Ticknor, John O.

AU - Stachura, Monika

AU - McFarlane, W. Andrew

PY - 2019

Y1 - 2019

N2 - We demonstrate the application of implanted-ion β-detected NMR as a probe of ionic liquid molecular dynamics through the measurement of 8Li spin-lattice relaxation (SLR) and resonance in 1-ethyl-3-methylimidazolium acetate. The motional narrowing of the resonance and the local maxima in the SLR rate, 1/T1, imply sensitivity to subnanosecond Li+ solvation dynamics. From an analysis of 1/T1, we extract an activation energy EA = 74.8(1.5) meV and Vogel–Fulcher–Tammann constant TVFT = 165.8(0.9) K, in agreement with the dynamic viscosity of the bulk solvent. Near the melting point, the lineshape is broad and intense, and the form of the relaxation is nonexponential, reflective of our sensitivity to heterogeneous dynamics near the glass transition. The depth resolution of this technique may later provide a unique means of studying nanoscale phenomena in ionic liquids.

AB - We demonstrate the application of implanted-ion β-detected NMR as a probe of ionic liquid molecular dynamics through the measurement of 8Li spin-lattice relaxation (SLR) and resonance in 1-ethyl-3-methylimidazolium acetate. The motional narrowing of the resonance and the local maxima in the SLR rate, 1/T1, imply sensitivity to subnanosecond Li+ solvation dynamics. From an analysis of 1/T1, we extract an activation energy EA = 74.8(1.5) meV and Vogel–Fulcher–Tammann constant TVFT = 165.8(0.9) K, in agreement with the dynamic viscosity of the bulk solvent. Near the melting point, the lineshape is broad and intense, and the form of the relaxation is nonexponential, reflective of our sensitivity to heterogeneous dynamics near the glass transition. The depth resolution of this technique may later provide a unique means of studying nanoscale phenomena in ionic liquids.

U2 - 10.1021/acs.chemmater.9b02864

DO - 10.1021/acs.chemmater.9b02864

M3 - Journal article

VL - 31

SP - 9346

EP - 9353

JO - Chemistry of Materials

JF - Chemistry of Materials

SN - 0897-4756

IS - 22

ER -

ID: 231328123