Structure and Ion Dynamics in Imidazolium-Based Protic Organic Ionic Plastic Crystals

Haijin Zhu; Xiaoen Wang; R. Vijayaraghava; Yundong Zhou; Douglas R. Macfarlane; Maria Forsyth

doi:10.1021/acs.jpclett.8b01500

Structure and Ion Dynamics in Imidazolium-Based Protic Organic Ionic Plastic Crystals

Haijin Zhu^*, Xiaoen Wang, R. Vijayaraghava, Yundong Zhou, Douglas R. Macfarlane, Maria Forsyth

^*Corresponding author for this work

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

19 Scopus citations

Abstract

A fundamental understanding of the structure and dynamics of organic ionic plastic crystal (OIPC) materials allows for a more rational design of molecular chemistry toward improved mechanical and electrochemical performances. This Letter investigates the solid-state structure and ion dynamics of two imidazolium-based protic organic ionic plastic crystals as well as the ion-transport properties in both compounds. A combination of DSC, conductivity, NMR, and synchrotron X-ray studies revealed that a subtle change in cation chemistry results in substantial differences in the thermal phase behavior, crystalline structures, as well as the ion conduction mechanisms in the protic plastic crystal compounds. Whereas most of the research nowadays has been focused on the optimization of chemistry of cations and anions, this work highlights the importance of microstructures on the ion transport rate and pathways of the OIPC materials.

Original language	English
Pages (from-to)	3904-3909
Number of pages	6
Journal	Journal of Physical Chemistry Letters
Volume	9
Issue number	14
DOIs	https://doi.org/10.1021/acs.jpclett.8b01500
State	Published - 19 Jul 2018
Externally published	Yes

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title = "Structure and Ion Dynamics in Imidazolium-Based Protic Organic Ionic Plastic Crystals",

abstract = "A fundamental understanding of the structure and dynamics of organic ionic plastic crystal (OIPC) materials allows for a more rational design of molecular chemistry toward improved mechanical and electrochemical performances. This Letter investigates the solid-state structure and ion dynamics of two imidazolium-based protic organic ionic plastic crystals as well as the ion-transport properties in both compounds. A combination of DSC, conductivity, NMR, and synchrotron X-ray studies revealed that a subtle change in cation chemistry results in substantial differences in the thermal phase behavior, crystalline structures, as well as the ion conduction mechanisms in the protic plastic crystal compounds. Whereas most of the research nowadays has been focused on the optimization of chemistry of cations and anions, this work highlights the importance of microstructures on the ion transport rate and pathways of the OIPC materials.",

author = "Haijin Zhu and Xiaoen Wang and R. Vijayaraghava and Yundong Zhou and Macfarlane, {Douglas R.} and Maria Forsyth",

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AU - Zhu, Haijin

AU - Wang, Xiaoen

AU - Vijayaraghava, R.

AU - Zhou, Yundong

AU - Macfarlane, Douglas R.

AU - Forsyth, Maria

PY - 2018/7/19

Y1 - 2018/7/19

N2 - A fundamental understanding of the structure and dynamics of organic ionic plastic crystal (OIPC) materials allows for a more rational design of molecular chemistry toward improved mechanical and electrochemical performances. This Letter investigates the solid-state structure and ion dynamics of two imidazolium-based protic organic ionic plastic crystals as well as the ion-transport properties in both compounds. A combination of DSC, conductivity, NMR, and synchrotron X-ray studies revealed that a subtle change in cation chemistry results in substantial differences in the thermal phase behavior, crystalline structures, as well as the ion conduction mechanisms in the protic plastic crystal compounds. Whereas most of the research nowadays has been focused on the optimization of chemistry of cations and anions, this work highlights the importance of microstructures on the ion transport rate and pathways of the OIPC materials.

AB - A fundamental understanding of the structure and dynamics of organic ionic plastic crystal (OIPC) materials allows for a more rational design of molecular chemistry toward improved mechanical and electrochemical performances. This Letter investigates the solid-state structure and ion dynamics of two imidazolium-based protic organic ionic plastic crystals as well as the ion-transport properties in both compounds. A combination of DSC, conductivity, NMR, and synchrotron X-ray studies revealed that a subtle change in cation chemistry results in substantial differences in the thermal phase behavior, crystalline structures, as well as the ion conduction mechanisms in the protic plastic crystal compounds. Whereas most of the research nowadays has been focused on the optimization of chemistry of cations and anions, this work highlights the importance of microstructures on the ion transport rate and pathways of the OIPC materials.

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Structure and Ion Dynamics in Imidazolium-Based Protic Organic Ionic Plastic Crystals

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