Microscopic diffusion dynamics of silver complex-based room-temperature ionic liquids probed by quasielastic neutron scattering

Eugene Mamontov; Gary A. Baker; Huimin Luo; Sheng Dai

doi:10.1002/cphc.201001017

Microscopic diffusion dynamics of silver complex-based room-temperature ionic liquids probed by quasielastic neutron scattering

Eugene Mamontov, Gary A. Baker, Huimin Luo, Sheng Dai

Oak Ridge National Laboratory

Research output: Contribution to journal › Article › peer-review

33 Scopus citations

Abstract

Quasielastic neutron scattering is used to probe the microscopic diffusion dynamics of the hydrogen-bearing cations of two different silver complex-derived room-temperature ionic liquids, [Ag(propylamine)₂ ⁺][Tf₂N^-] (Tf=trifluoromethanesulfonyl) and [Ag(1-pentene)⁺][Tf₂N^-]. In the temperature range from 300 to 340 K, analysis of the scattering momentum transfer dependence of the data provides evidence for three distinct diffusion components. The slowest component describes the long-range cationic translational diffusion. A possible link between the microscopic diffusion parameters and the structural features of the cations comprising these two ionic liquids is discussed.

Original language	English
Pages (from-to)	944-950
Number of pages	7
Journal	ChemPhysChem
Volume	12
Issue number	5
DOIs	https://doi.org/10.1002/cphc.201001017
State	Published - Apr 4 2011

Keywords

diffusion
ionic liquids
molecular dynamics
neutron scattering
silver

Access to Document

10.1002/cphc.201001017

Cite this

@article{eff4607f63b84758b9dc5222f86ba240,

title = "Microscopic diffusion dynamics of silver complex-based room-temperature ionic liquids probed by quasielastic neutron scattering",

abstract = "Quasielastic neutron scattering is used to probe the microscopic diffusion dynamics of the hydrogen-bearing cations of two different silver complex-derived room-temperature ionic liquids, [Ag(propylamine)2 +][Tf2N-] (Tf=trifluoromethanesulfonyl) and [Ag(1-pentene)+][Tf2N-]. In the temperature range from 300 to 340 K, analysis of the scattering momentum transfer dependence of the data provides evidence for three distinct diffusion components. The slowest component describes the long-range cationic translational diffusion. A possible link between the microscopic diffusion parameters and the structural features of the cations comprising these two ionic liquids is discussed.",

keywords = "diffusion, ionic liquids, molecular dynamics, neutron scattering, silver",

author = "Eugene Mamontov and Baker, {Gary A.} and Huimin Luo and Sheng Dai",

year = "2011",

month = apr,

day = "4",

doi = "10.1002/cphc.201001017",

language = "English",

volume = "12",

pages = "944--950",

journal = "ChemPhysChem",

issn = "1439-4235",

publisher = "wiley",

number = "5",

}

TY - JOUR

T1 - Microscopic diffusion dynamics of silver complex-based room-temperature ionic liquids probed by quasielastic neutron scattering

AU - Mamontov, Eugene

AU - Baker, Gary A.

AU - Luo, Huimin

AU - Dai, Sheng

PY - 2011/4/4

Y1 - 2011/4/4

N2 - Quasielastic neutron scattering is used to probe the microscopic diffusion dynamics of the hydrogen-bearing cations of two different silver complex-derived room-temperature ionic liquids, [Ag(propylamine)2 +][Tf2N-] (Tf=trifluoromethanesulfonyl) and [Ag(1-pentene)+][Tf2N-]. In the temperature range from 300 to 340 K, analysis of the scattering momentum transfer dependence of the data provides evidence for three distinct diffusion components. The slowest component describes the long-range cationic translational diffusion. A possible link between the microscopic diffusion parameters and the structural features of the cations comprising these two ionic liquids is discussed.

AB - Quasielastic neutron scattering is used to probe the microscopic diffusion dynamics of the hydrogen-bearing cations of two different silver complex-derived room-temperature ionic liquids, [Ag(propylamine)2 +][Tf2N-] (Tf=trifluoromethanesulfonyl) and [Ag(1-pentene)+][Tf2N-]. In the temperature range from 300 to 340 K, analysis of the scattering momentum transfer dependence of the data provides evidence for three distinct diffusion components. The slowest component describes the long-range cationic translational diffusion. A possible link between the microscopic diffusion parameters and the structural features of the cations comprising these two ionic liquids is discussed.

KW - diffusion

KW - ionic liquids

KW - molecular dynamics

KW - neutron scattering

KW - silver

UR - http://www.scopus.com/inward/record.url?scp=79953177507&partnerID=8YFLogxK

U2 - 10.1002/cphc.201001017

DO - 10.1002/cphc.201001017

M3 - Article

AN - SCOPUS:79953177507

SN - 1439-4235

VL - 12

SP - 944

EP - 950

JO - ChemPhysChem

JF - ChemPhysChem

IS - 5

ER -

Microscopic diffusion dynamics of silver complex-based room-temperature ionic liquids probed by quasielastic neutron scattering

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this