When graphene meets ionic liquids: a good match for the design of functional materials

Aldroubi, Soha; Brun, Nicolas; Malham, Ibrahim Bou; Mehdi, Ahmad

doi:10.1039/d0nr06871c

Cited by 49 publications

(30 citation statements)

References 221 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…In fact, layered films of graphene/IL were prepared by in situ reduction of graphene oxide layers in the presence of ILs, followed by subsequent electrostatic layer-by-layer assembly . Moreover, ILs have been used to exfoliate natural graphite into few-layer graphenes, , starting with cation intercalation of the step edges of the graphite surface . We suggest that initial experimental efforts focus on self-assembled graphene-oxide/IL composites, to illustrate this strategy of using ILs to control the interlayer spacing.…”

Section: Resultsmentioning

confidence: 99%

Design of Graphene/Ionic Liquid Composites for Carbon Capture

Wang

Mahurin

Dai

et al. 2021

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

Pore size is a crucial factor impacting gas separation in porous separation materials, but how to control the pore size to optimize the separation performance remains a challenge. Here, we propose a design of graphene/ionic liquid composites with tunable slit pore sizes, where cations and anions of ionic liquids are intercalated between graphene layers. By varying the sizes of the ions, we show from first-principles density functional theory calculations that the accessible pore size can be tuned from 3.4 to 6.0 Å. Grand canonical Monte Carlo simulations of gas sorption find that the composite materials possess high CO2 uptake at room temperature and 1 bar (up to ∼8.5 mmol/g). Further simulations of the sorption of gas mixtures reveal that high CO2/N2 and CO2/CH4 adsorption selectivities can be obtained when the accessible pore size is <5 Å. This work suggests a new strategy to achieve tunable pore sizes via the graphene/IL composites for highly selective CO2/N2 and CO2/CH4 adsorption.

show abstract

Section: Resultsmentioning

confidence: 99%

Design of Graphene/Ionic Liquid Composites for Carbon Capture

Wang

Mahurin

Dai

et al. 2021

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

show abstract

“…The improved conductivity, functionality, and high stabilizing power are better aspects for the utilization of ILs in electrochemical analytics. Although the stabilizing potential of the ILs has been due to the low interface energy, their diverse hydrophilic and hydrophobic properties, bulk size with alkyl chain, the functional groups of cationic and anionic moieties, and the absorption on the matrix surface and may result in the high stability of nanocomposites [ 82 , 83 ]. Moreover, the charged bulky ILs create the steric hindrance to affect the surface morphology.…”

Section: Properties Of Ionic Liquidsmentioning

confidence: 99%

Functional Ionic Liquids Decorated Carbon Hybrid Nanomaterials for the Electrochemical Biosensors

et al. 2021

View full text Add to dashboard Cite

Ionic liquids are gaining high attention due to their extremely unique physiochemical properties and are being utilized in numerous applications in the field of electrochemistry and bio-nanotechnology. The excellent ionic conductivity and the wide electrochemical window open a new avenue in the construction of electrochemical devices. On the other hand, carbon nanomaterials, such as graphene (GR), graphene oxide (GO), carbon dots (CDs), and carbon nanotubes (CNTs), are highly utilized in electrochemical applications. Since they have a large surface area, high conductivity, stability, and functionality, they are promising in biosensor applications. Nevertheless, the combination of ionic liquids (ILs) and carbon nanomaterials (CNMs) results in the functional ILs-CNMs hybrid nanocomposites with considerably improved surface chemistry and electrochemical properties. Moreover, the high functionality and biocompatibility of ILs favor the high loading of biomolecules on the electrode surface. They extremely enhance the sensitivity of the biosensor that reaches the ability of ultra-low detection limit. This review aims to provide the studies of the synthesis, properties, and bonding of functional ILs-CNMs. Further, their electrochemical sensors and biosensor applications for the detection of numerous analytes are also discussed.

show abstract

“…Ionic liquids (ILs), as a charming functional material, have found various industrial applications in synthesis and catalysis due to their negligible vapour pressure, thermal and chemical stability, non-flammable, nonvolatile and strong structural design prospects [27][28][29][30][31][32][33][34][35][36][37]. Through the functional design of anions and cations of ionic liquids, the use of ILs as catalysts in the efficient synthesis of cyclic carbonates have been developed [38][39][40][41][42].…”

Section: Introductionmentioning

confidence: 99%

Novel and high efficient cycloaddition of CO2 with epoxides to cyclic carbonates over reusable mesoporous KIT-6 supported imidazolium lactate catalyst

Liu¹,

Hu²

2022

Bull. Chem. Soc. Eth.

View full text Add to dashboard Cite

ABSTRACT. A series of mesoporous KIT-6 supported ionic liquids were prepared and tested as effective and practical catalysts for the synthesis of cyclic carbonates by the cycloaddition of CO2 with epoxides. The effects of type of catalysts, catalyst amount, CO2 pressure, reaction temperature and catalyst stability have also been investigated in detail, the catalyst KIT-6@ILCH3CH(OH)COO(0.6) exhibited excellent activity in good to excellent yields, may be attributed to the synergetic effect between hydroxyl groups and lactate anion of the ionic liquid. In addition, the supported catalyst can be easily recovered and reused for six times still with satisfactory catalytic activity. Moreover, a general synergetic catalytic mechanism for the reaction was proposed. This work introduces a new and highly efficient pathway to explore the supported ionic liquids for the chemical fixation of carbon dioxide. KEY WORDS: Mesoporous KIT-6, Ionic liquid, High efficient, Carbon dioxide, Cyclic carbonates, Recyclable catalyst Bull. Chem. Soc. Ethiop. 2022, 36(2), 433-450. DOI: https://dx.doi.org/10.4314/bcse.v36i2.16

show abstract

When graphene meets ionic liquids: a good match for the design of functional materials

Abstract: Thanks to successful cohabitation between graphene and ionic liquids (ILs), a large avenue can be opened for the design of functional nanomaterials in a broad range of applications, including catalysis, gas separation and electrochemistry.

Cited by 49 publications

References 221 publications

Design of Graphene/Ionic Liquid Composites for Carbon Capture

Design of Graphene/Ionic Liquid Composites for Carbon Capture

Functional Ionic Liquids Decorated Carbon Hybrid Nanomaterials for the Electrochemical Biosensors

Novel and high efficient cycloaddition of CO2 with epoxides to cyclic carbonates over reusable mesoporous KIT-6 supported imidazolium lactate catalyst

Contact Info

Product

Resources

About