Dielectric Relaxation of the Ionic Liquid 1-Ethyl-3-methylimidazolium Ethyl Sulfate: Microwave and Far-IR Properties | Zendy

Nilesh R. Dhumal | Zendy; Johannes Kiefer | Zendy; David A. Turton | Zendy; Klaas Wynne | Zendy; Hyung J. Kim | Zendy

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Dielectric Relaxation of the Ionic Liquid 1-Ethyl-3-methylimidazolium Ethyl Sulfate: Microwave and Far-IR Properties

Author(s) -

Nilesh R. Dhumal,

Johannes Kiefer,

David A. Turton,

Klaas Wynne,

Hyung J. Kim

Publication year - 2017

Publication title -

the journal of physical chemistry b

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.864

H-Index - 392

eISSN - 1520-6106

pISSN - 1520-5207

DOI - 10.1021/acs.jpcb.7b00160

Subject(s) - ionic liquid , dielectric , microwave , polarization (electrochemistry) , relaxation (psychology) , molecular dynamics , chemical physics , kerr effect , chemistry , terahertz radiation , ionic bonding , materials science , analytical chemistry (journal) , molecular physics , computational chemistry , ion , physics , organic chemistry , optoelectronics , catalysis , quantum mechanics , nonlinear system , psychology , social psychology

Dielectric relaxation of the ionic liquid, 1-ethyl-3-methylimidazolium ethyl sulfate (EMI + ETS - ), is studied using molecular dynamics (MD) simulations. The collective dynamics of polarization arising from cations and anions are examined. Characteristics of the rovibrational and translational components of polarization dynamics are analyzed to understand their respective roles in the microwave and terahertz regions of dielectric relaxation. The MD results are compared with the experimental low-frequency spectrum of EMI + ETS - , obtained via ultrafast optical Kerr effect (OKE) measurements.

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