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Themed collection Ionic Liquids: Editors collection for RSC Advances

40 items
Review Article

Extractive denitrogenation of fuel oils using ionic liquids: a review

Extractive denitrogenation (EDN) of fuel oils using ILs is reviewed. EDN using ILs is a promising technology for the elimination of N-compounds from fuel oils.

Graphical abstract: Extractive denitrogenation of fuel oils using ionic liquids: a review
Review Article

Biomass into chemicals: green chemical conversion of carbohydrates into 5-hydroxymethylfurfural in ionic liquids

Biomass is one of the few resources that have the potential to meet the challenges of sustainable and green energy systems.

Graphical abstract: Biomass into chemicals: green chemical conversion of carbohydrates into 5-hydroxymethylfurfural in ionic liquids
Review Article

Exploring the structure and stability of amino acids and glycine peptides in biocompatible ionic liquids

Amino acids (AAs) are vital components for a variety of biological systems and can be linked through covalent bonds (or peptide bonds) to form a protein structure.

Graphical abstract: Exploring the structure and stability of amino acids and glycine peptides in biocompatible ionic liquids
Review Article

Ionic liquids derived from organosuperbases: en route to superionic liquids

This is a comprehensive review of various task-specific ionic liquids derived from TMG, TBD, DBU, DBN and other organosuperbases.

Graphical abstract: Ionic liquids derived from organosuperbases: en route to superionic liquids
Review Article

Ionic liquids: the view from Mount Improbable

The ionic liquid literature has grown at a remarkable rate since 1998, making it increasingly difficult to assess the important research directions and the underlying, fundamental understanding of ionic liquids.

Graphical abstract: Ionic liquids: the view from Mount Improbable
Review Article

Methods and approaches of utilizing ionic liquids as gas sensing materials

Linking ionic liquid interface designs to specific device protocols to address analytical challenges in gas sensing.

Graphical abstract: Methods and approaches of utilizing ionic liquids as gas sensing materials
Open Access Review Article

Computational approaches to understanding reaction outcomes of organic processes in ionic liquids

The utility of using a combined experimental and computational approach for understanding ionic liquid media, and their effect on reaction outcome, is highlighted through a number of case studies.

Graphical abstract: Computational approaches to understanding reaction outcomes of organic processes in ionic liquids
Communication

Is a medium-range order pre-peak possible for ionic liquids without an aliphatic chain?

The pre-peak in the X-ray scattering patterns of ionic liquids is not always due to alkyl chains. In choline–proline (a bio-compatible ionic liquid), it is due to second-shell cation–cation distances.

Graphical abstract: Is a medium-range order pre-peak possible for ionic liquids without an aliphatic chain?
Communication

One pot oxidative cleavage of cyclohexene to adipic acid using silver tungstate nano-rods in a Brønsted acidic ionic liquid

The first catalytic application of silver tungstate is disclosed for the synthesis of adipic acid from the oxidative cleavage of cyclohexene.

Graphical abstract: One pot oxidative cleavage of cyclohexene to adipic acid using silver tungstate nano-rods in a Brønsted acidic ionic liquid
Communication

On the hunt for truly biocompatible ionic liquids for lipase-catalyzed reactions

One of the challenges in the field of biocatalysis is the search for efficient reaction media avoiding enzyme deactivation.

Graphical abstract: On the hunt for truly biocompatible ionic liquids for lipase-catalyzed reactions
Open Access Paper

A mechanistic insight into the organocatalytic properties of imidazolium-based ionic liquids and a positive co-solvent effect on cellulose modification reactions in an ionic liquid

Mechanistic insights into organocatalytic properties of imidazolium-based ionic liquids led to improvements of cellulose modification reactions in ionic liquids.

Graphical abstract: A mechanistic insight into the organocatalytic properties of imidazolium-based ionic liquids and a positive co-solvent effect on cellulose modification reactions in an ionic liquid
Open Access Paper

Thermally robust: triarylsulfonium ionic liquids stable in air for 90 days at 300 °C

Select triarylsulfonium salts are ionic liquids with outstanding long-term, high-temperature aerobic stability (no mass loss in 90 days at 300 °C in air), making them among the most thermally stable organic materials known.

Graphical abstract: Thermally robust: triarylsulfonium ionic liquids stable in air for 90 days at 300 °C
Open Access Paper

Molecular design of advanced lubricant base fluids: hydrocarbon-mimicking ionic liquids

Hydrocarbon-mimicking ionic liquids were designed and evaluated as synthetic lubricants, aiming for mild reactivity and compatibility with existing additives.

Graphical abstract: Molecular design of advanced lubricant base fluids: hydrocarbon-mimicking ionic liquids
Open Access Paper

Polymyxin B sulfate inducing time-dependent antagonism of the mixtures of pesticide, ionic liquids, and antibiotics to Vibrio qinghaiensis sp.-Q67

In the real environment, organisms are simultaneously exposed to different types of chemicals.

Graphical abstract: Polymyxin B sulfate inducing time-dependent antagonism of the mixtures of pesticide, ionic liquids, and antibiotics to Vibrio qinghaiensis sp.-Q67
Open Access Paper

Towards macrocyclic ionic liquids: novel ammonium salts based on tetrasubstituted p-tert-butylthiacalix[4]arenes

Water-soluble and water-insoluble ammonium ionic liquids based on p-tert-butylthiacalix[4]arenes in cone and 1,3-alternate conformation were synthesized.

Graphical abstract: Towards macrocyclic ionic liquids: novel ammonium salts based on tetrasubstituted p-tert-butylthiacalix[4]arenes
Open Access Paper

Chiral ionic liquid assisted synthesis of some metal oxides

A chiral ionic liquid with a natural alcohol based chain was used as a tailoring agent for the synthesis of simple and cost effective materials such as ZnO, CuO, CuO–ZnO with peculiar morphology.

Graphical abstract: Chiral ionic liquid assisted synthesis of some metal oxides
Paper

Antimicrobial and lubrication properties of 1-acetyl-3-hexylbenzotriazolium benzoate/sorbate ionic liquids

1-Acetyl-3-hexylbenzotriazolium cation-based ionic liquids exhibit antimicrobial activities and improve the lubrication properties of lube base oil by reduction of friction and wear.

Graphical abstract: Antimicrobial and lubrication properties of 1-acetyl-3-hexylbenzotriazolium benzoate/sorbate ionic liquids
Paper

Green solvent ionic liquids: structural directing pioneers for microwave-assisted synthesis of controlled MgO nanostructures

Various MgO nanostructures were obtained via one-pot microwave-assisted synthesis in various structural directing ionic liquids.

Graphical abstract: Green solvent ionic liquids: structural directing pioneers for microwave-assisted synthesis of controlled MgO nanostructures
Paper

Electro-Fenton treatment of imidazolium-based ionic liquids: kinetics and degradation pathways

In this study, the removal of five imidazolium-based ionic liquids from water was accomplished by a heterogeneous electro-Fenton treatment.

Graphical abstract: Electro-Fenton treatment of imidazolium-based ionic liquids: kinetics and degradation pathways
Paper

Biocompatible locust bean gum mesoporous matrices prepared by ionic liquids and a scCO2 sustainable system

Locust bean gum (LBG) is a natural polymer that belongs to the increasingly attractive biodegradable mesoporous matrices prepared from ionic liquids and scCO2 sustainable method.

Graphical abstract: Biocompatible locust bean gum mesoporous matrices prepared by ionic liquids and a scCO2 sustainable system
Paper

Synthesis and characterization of glycidyl-polymer-based poly(ionic liquid)s: highly designable polyelectrolytes with a poly(ethylene glycol) main chain

Glycidyl-polymer-based poly(ionic liquid)s with different spacers and ionic moieties were synthesized by click functionalization of a glycidyl azide polymer.

Graphical abstract: Synthesis and characterization of glycidyl-polymer-based poly(ionic liquid)s: highly designable polyelectrolytes with a poly(ethylene glycol) main chain
Paper

Graphene exfoliation in ionic liquids: unified methodology

Exfoliation constitutes a promising and straightforward technique to obtain a high-quality product (graphene, GRA) from an affordable source (graphite).

Graphical abstract: Graphene exfoliation in ionic liquids: unified methodology
Paper

Catalytic applications of {[HMIM]C(NO2)3}: as a nano ionic liquid for the synthesis of pyrazole derivatives under green conditions and a mechanistic investigation with a new approach

1-Methylimidazolium trinitromethanide {[HMIM]C(NO2)3} as a nano structure ionic liquid was applied for the synthesis of pyrazole derivatives with high yields under mild and green conditions.

Graphical abstract: Catalytic applications of {[HMIM]C(NO2)3}: as a nano ionic liquid for the synthesis of pyrazole derivatives under green conditions and a mechanistic investigation with a new approach
Paper

A thermophysical and structural characterization of ionic liquids with alkyl and perfluoroalkyl side chains

Novel fluorinated ionic liquids composed of 1-alkyl-3-methylimidazolium cations and perfluoroalkylsulfonates or perfluoroalkylcarboxylates anions were investigated from thermodynamic, thermophysical and simulation perspectives.

Graphical abstract: A thermophysical and structural characterization of ionic liquids with alkyl and perfluoroalkyl side chains
Paper

Relevance of the acidic 1-butyl-3-methylimidazolium hydrogen sulphate ionic liquid in the selective catalysis of the biomass hemicellulose fraction

The process represents a sustainable and selective approach of biomass hemicellulose fraction transformation into pivot chemicals, such as xylose and furfural, solely mediated by the acidic [bmim][HSO4] ionic liquid.

Graphical abstract: Relevance of the acidic 1-butyl-3-methylimidazolium hydrogen sulphate ionic liquid in the selective catalysis of the biomass hemicellulose fraction
Paper

Supported ionic liquid [Bmim]FeCl4/Am TiO2 as an efficient catalyst for the catalytic oxidative desulfurization of fuels

Supported ionic liquid catalyst [Bmim]FeCl4/Am TiO2 was synthesized and showed excellent desulfurization efficiency and reuseable performance in the ECODS system.

Graphical abstract: Supported ionic liquid [Bmim]FeCl4/Am TiO2 as an efficient catalyst for the catalytic oxidative desulfurization of fuels
Paper

Development of ionic liquid based electromembrane extraction and its application to the enrichment of acidic compounds in pig kidney tissues

An ionic liquid based electromembrane extraction (IL-EME) method, in which electrokinetic migration served as the main driving force, was developed for the determination of acidic compounds for the first time.

Graphical abstract: Development of ionic liquid based electromembrane extraction and its application to the enrichment of acidic compounds in pig kidney tissues
Paper

Chlorosulfonic acid supported diethylamine ionic liquid catalyzed green synthesis of novel 2-mercaptonaphthalen-1-yl)methyl)-3-hydroxy-5,5-dimethylcyclohex-2-enones under neat conditions

An efficient and green procedure for the synthesis of 2-mercaptonaphthalen-1-yl)methyl)-3-hydroxy-5,5-dimethylcyclohex-2-enones catalysed by green ionic liquid (DEACSAIL) under solvent-free conditions has been developed.

Graphical abstract: Chlorosulfonic acid supported diethylamine ionic liquid catalyzed green synthesis of novel 2-mercaptonaphthalen-1-yl)methyl)-3-hydroxy-5,5-dimethylcyclohex-2-enones under neat conditions
Paper

Extractive desulfurization of fuel using N-butylpyridinium-based ionic liquids

Sulfur compounds in fuels have become one of the sources of serious environmental problems.

Graphical abstract: Extractive desulfurization of fuel using N-butylpyridinium-based ionic liquids
Paper

A lithium-ion oxygen battery using a polyethylene glyme electrolyte mixed with an ionic liquid

An efficient, safe lithium-ion oxygen battery is formed by combining an oxygen cathode and a lithium-alloy anode in a glyme-based ionic liquid-containing electrolyte.

Graphical abstract: A lithium-ion oxygen battery using a polyethylene glyme electrolyte mixed with an ionic liquid
Paper

Very fast catalytic reduction of 4-nitrophenol, methylene blue and eosin Y in natural waters using green chemistry: p(tannic acid)–Cu ionic liquid composites

Using tannic acid (TA) as a biopolymer, poly(tannic Acid) (p(TA)) microgels were obtained by cross-linking TA with trimethylolpropane triglycidyl ether (TMPGDE) as cross-linker in a water-in-oil micro emulsion system.

Graphical abstract: Very fast catalytic reduction of 4-nitrophenol, methylene blue and eosin Y in natural waters using green chemistry: p(tannic acid)–Cu ionic liquid composites
Paper

Triazolium based ionic liquid crystals: effect of asymmetric substitution

A new series of asymmetrical 1-dodecyl-3-alkyl-triazolium bromides has been synthesized to investigate the effect of asymmetric substitution on their phase behavior.

Graphical abstract: Triazolium based ionic liquid crystals: effect of asymmetric substitution
Paper

Hydrophobic mesoporous silica-supported heteropolyacid induced by ionic liquid as a high efficiency catalyst for the oxidative desulfurization of fuel

The hydrophobic HPMo-IL/SBA-15 material served not only as a high-efficiency catalyst but also as an adsorbent.

Graphical abstract: Hydrophobic mesoporous silica-supported heteropolyacid induced by ionic liquid as a high efficiency catalyst for the oxidative desulfurization of fuel
Paper

Bis(ammonium) ionic liquids with herbicidal anions

The method of synthesis of the novel bis(ammonium) herbicidal ionic liquids with the cation containing two quaternary nitrogen atoms was described.

Graphical abstract: Bis(ammonium) ionic liquids with herbicidal anions
Paper

Imidazolium-based ionic liquids as modulators of corrosion inhibition of SDS on mild steel in hydrochloric acid solutions: experimental and theoretical studies

Surface interaction and corrosion processes of imidazolium-based ionic liquids and their mixtures with SDS on a mild steel surface.

Graphical abstract: Imidazolium-based ionic liquids as modulators of corrosion inhibition of SDS on mild steel in hydrochloric acid solutions: experimental and theoretical studies
Paper

One-step synthesis of three-dimensional porous ionic liquid–carbon nanotube–graphene gel and MnO2–graphene gel as freestanding electrodes for asymmetric supercapacitors

Three-dimensional porous ionic liquid–carbon nanotube–graphene gel and MnO2–graphene gel are used as freestanding electrodes for asymmetric supercapacitor.

Graphical abstract: One-step synthesis of three-dimensional porous ionic liquid–carbon nanotube–graphene gel and MnO2–graphene gel as freestanding electrodes for asymmetric supercapacitors
Paper

Chemoselective hydration of nitriles to amides using hydrated ionic liquid (IL) tetrabutylammonium hydroxide (TBAH) as a green catalyst

A green, chemoselective synthesis of amides, avoiding the use of any base, metal, or Lewis acid catalyst.

Graphical abstract: Chemoselective hydration of nitriles to amides using hydrated ionic liquid (IL) tetrabutylammonium hydroxide (TBAH) as a green catalyst
Paper

Ionic liquid-based random copolymers: a new type of polymer electrolyte with low glass transition temperature

A new type of polymer electrolyte has been prepared from the side-chains of ionic liquids (IL) and an analogue of ethylene oxide (EO) directly grafted on a polyethylene oxide backbone.

Graphical abstract: Ionic liquid-based random copolymers: a new type of polymer electrolyte with low glass transition temperature
Paper

Improving SO2 capture by tuning functional groups on the cation of pyridinium-based ionic liquids

Novel pyridinium-based ionic liquids [NEt2C2Py][SCN], [C4OPy][SCN] and [C4CNPy][SCN] with high SO2 gravimetric capacity were developed and the mechanism was discussed.

Graphical abstract: Improving SO2 capture by tuning functional groups on the cation of pyridinium-based ionic liquids
Paper

Ionic liquids–lignin combination: an innovative way to improve mechanical behaviour and water vapour permeability of eco-designed biodegradable polymer blends

In this work, the potential use of lignin combined with ionic liquids (ILs) has been investigated on the final properties of biodegradable polymer blends.

Graphical abstract: Ionic liquids–lignin combination: an innovative way to improve mechanical behaviour and water vapour permeability of eco-designed biodegradable polymer blends
40 items

About this collection

Professor Manuel Minas da Piedade and Professor José N. Canongia Lopes, University of Lisbon, Portugal

In the last twenty years, the interest on ionic liquids (ILs) has increased at an incredibly high pace, fostered by a variety of remarkable challenges that emerged in terms of both fundamental research and plausible technological applications. This collection, guest edited by Editorial Board Member Professor Manuel Minas da Piedadeand Professor José N. Canongia Lopes contains a selection of articles on ionic liquids published in RSC Advances since 2015. The selection includes both reviews and a combination of articles that illustrate the worldwide spread of ILs research and its many ramifications covering all twelve main subjects of the journal (Analytical, Biological, Catalysis, Chemical Biology and Medicinal, Energy, Environmental, Food, Inorganic, Materials, Nanoscience, Organic, and Physical). The fact that works on ILs are among the most highly cited in RSC Advances is highlighted. Recently published 2017 articles, while yet to be cited, seem to cover innovative themes with promising impact in the area and have therefore been included. It is hoped that this themed collection will provide an enjoyable and useful reading and will stimulate publication of more exciting work on ILs in RSC Advances.

All articles in this collection are free to access until 1st June 2017.

*Free access to individuals is provided through an RSC Publishing personal account.  Registration  is quick, free and simple.

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