Emerging iongel materials towards applications in energy and bioelectronics

LC Tomé, L Porcarelli, JE Bara, M Forsyth… - Materials …, 2021 - pubs.rsc.org
In the past two decades, ionic liquids (ILs) have blossomed as versatile task-specific
materials with a unique combination of properties, which can be beneficial for a plethora of …

Toward controlled functional sequencing and hierarchical structuring in imidazolium ionenes

KE O'Harra, JE Bara - Polymer International, 2021 - Wiley Online Library
This focused mini‐review highlights recent advances related to the design and applications
of imidazolium ionenes and forward‐looking perspectives. Creative strategies which employ …

Spirobisindane-Containing Imidazolium Polyimide Ionene: Structural Design and Gas Separation Performance of “Ionic PIMs”

I Kammakakam, KE O'Harra, JE Bara… - Macromolecules, 2022 - ACS Publications
Polymers of intrinsic microporosity (PIMs) have been explored extensively for challenging
membrane separation applications. Manipulating microporosity and functionalities of PIM …

Poly (ionic liquid) s with dicationic pendants as gas separation membranes

S Ravula, KE O'Harra, KA Watson, JE Bara - Membranes, 2022 - mdpi.com
Poly (norbornene) s and poly (ionic liquid) s are two different classes of attractive materials,
which are known for their structural tunability and thermal stabilities, and have been …

Poly (ether ether ketone) Ionenes: Ultrahigh-Performance Polymers Meet Ionic Liquids

K O'Harra, I Kammakakam, P Shinde… - ACS Applied Polymer …, 2022 - ACS Publications
This work presents the first example of an imidazolium ionene containing aromatic ether-
ketone-ether linkages inspired by poly (ether ether ketone)(PEEK), a well-known ultrahigh …

Design and gas separation performance of imidazolium Poly (ILs) containing multivalent imidazolium fillers and crosslinking agents

KE O'Harra, EM DeVriese, EM Turflinger, DM Noll… - Polymers, 2021 - mdpi.com
This work introduces a series of vinyl-imidazolium-based polyelectrolyte composites, which
were structurally modified via impregnation with multivalent imidazolium-benzene ionic …

Valorization of plastic wastes for the synthesis of imidazolium‐based self‐supported elastomeric ionenes

J Demarteau, KE O'Harra, JE Bara, H Sardon - ChemSusChem, 2020 - Wiley Online Library
Imidazolium‐based ionenes are known to be high‐performance materials for a great variety
of applications. The preparation of these polymers requires the use of bis‐imidazole starting …

Synthesis of imidazolium-mediated Poly (benzoxazole) Ionene and composites with ionic liquids as advanced gas separation membranes

I Kammakakam, KE O'Harra, EM Jackson, JE Bara - Polymer, 2021 - Elsevier
Thermally rearranged (TR) polymers and ionic polymers are two material classes which
have been employed in leading gas separation membranes. This work introduces a novel …

Designing Ionic Liquid-Derived Polymer Composites from Poly (Ionic Liquid)–Ionene Semi-interpenetrating Networks

KE O'Harra, GM Timmermann, JE Bara… - ACS Applied Polymer …, 2021 - ACS Publications
While the solvating power of ionic liquids (ILs) for a variety of solute types including
polymers is well-known, the use of ILs as solvents for ionenes—charged polymers with …

6FDA‐containing polyimide‐ionene+ ionic liquid gas separation membranes

GP Dennis, KE O'Harra, I Kammakakam… - Journal of Polymer …, 2020 - Wiley Online Library
Abstract Polyimides (PI) synthesized from 4, 4′‐(hexafluoroisopropylidene) diphthalic
anhydride (6FDA) with various diamines have been frequently studied as gas separation …