scholarly journals Methods and approaches of utilizing ionic liquids as gas sensing materials

RSC Advances ◽  
2015 ◽  
Vol 5 (72) ◽  
pp. 58371-58392 ◽  
Author(s):  
Abdul Rehman ◽  
Xiangqun Zeng
Keyword(s):  
Ionic Liquid ◽  
Ionic Liquids ◽  
Gas Sensing ◽  
Liquid Interface ◽  
Specific Device ◽  
Interface Designs

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

Differential Capacity of the Double-Layer Formed at a Solid Electrode (Pt, Au)/Ionic Liquid Interface

2007 ◽  
Vol 62 (3-4) ◽  
pp. 187-190 ◽  
Author(s):  
Andrzej Lewandowski ◽  
Maciej Galiński ◽  
Sebastian R. Krajewski
Keyword(s):  
Ionic Liquid ◽  
Ionic Liquids ◽  
Double Layer ◽  
Electrode System ◽  
Liquid Interface ◽  
Potential Range ◽  
Differential Capacity ◽  
Impedance Measurements ◽  
Solid Electrode ◽  
Double Layer Capacity

The differential capacity at the electrode (Pt, Au)/ionic liquid interface of 18 ionic liquids (ILs), was measured applying chronoamperometry. The measurements were done by a two electrode system. The double layer capacity at the Pt/IL and Au/IL interface was 1 - 8 μF/cm2. The capacity, estimated from the impedance measurements, was approximately constant within a potential range of ca. 3 V.

scholarly journals Solid–ionic liquid interfaces: pore filling revisited

2014 ◽  
Vol 16 (44) ◽  
pp. 24359-24372 ◽  
Author(s):  
M. T. Heinze ◽  
J. C. Zill ◽  
J. Matysik ◽  
W. D. Einicke ◽  
R. Gläser ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Ionic Liquids ◽  
Mesoporous Silica ◽  
Chemical Properties ◽  
Liquid Interface ◽  
Pore Geometry ◽  
Liquid Interfaces ◽  
Pore Filling ◽  
Strength Of Interaction ◽  
Physico Chemical

The strength of interaction at the mesoporous silica–ionic liquid interface and the pore geometry affect the materials' morphology and the physico-chemical properties of the ionic liquids.

Double Layer of Au(100)/Ionic Liquid Interface and Its Stability in Imidazolium-Based Ionic Liquids

2009 ◽  
Vol 121 (28) ◽  
pp. 5250-5253 ◽  
Author(s):  
Yu-Zhuan Su ◽  
Yong-Chun Fu ◽  
Jia-Wei Yan ◽  
Zhao-Bin Chen ◽  
Bing-Wei Mao
Keyword(s):  
Ionic Liquid ◽  
Ionic Liquids ◽  
Double Layer ◽  
Liquid Interface

Double Layer of Au(100)/Ionic Liquid Interface and Its Stability in Imidazolium-Based Ionic Liquids

2009 ◽  
Vol 48 (28) ◽  
pp. 5148-5151 ◽  
Author(s):  
Yu-Zhuan Su ◽  
Yong-Chun Fu ◽  
Jia-Wei Yan ◽  
Zhao-Bin Chen ◽  
Bing-Wei Mao
Keyword(s):  
Ionic Liquid ◽  
Ionic Liquids ◽  
Double Layer ◽  
Liquid Interface

Continuous amperometric hydrogen gas sensing in ionic liquids

The Analyst ◽  
2018 ◽  
Vol 143 (17) ◽  
pp. 4136-4146 ◽  
Author(s):  
Yongan Tang ◽  
Jianxin He ◽  
Xiaoli Gao ◽  
Tianbao Yang ◽  
Xiangqun Zeng
Keyword(s):  
Ionic Liquid ◽  
Ionic Liquids ◽  
Real Time ◽  
Gas Sensor ◽  
Gas Sensing ◽  
High Sensitivity ◽  
Hydrogen Gas ◽  
Speed Accuracy

Continuous and real-time ionic liquid based hydrogen gas sensor with high sensitivity, selectivity, speed, accuracy, repeatability and stability.

Mapping the “Extra Solvent Power, ESP” of Ionic Liquids for Monomers, Polymers and Globular Nanoparticles

2017 ◽  
Author(s):  
Jose A. Pomposo
Keyword(s):  
Ionic Liquid ◽  
Ionic Liquids ◽  
Linear Polymers ◽  
Green Solvents ◽  
Ionic Polymers ◽  
First Time ◽  
Solvent Power

Understanding the miscibility behavior of ionic liquid (IL) / monomer, IL / polymer and IL / nanoparticle mixtures is critical for the use of ILs as green solvents in polymerization processes, and to rationalize recent observations concerning the superior solubility of some proteins in ILs when compared to standard solvents. In this work, the most relevant results obtained in terms of a three-component Flory-Huggins theory concerning the “Extra Solvent Power, ESP” of ILs when compared to traditional non-ionic solvents for monomeric solutes (case I), linear polymers (case II) and globular nanoparticles (case III) are presented. Moreover, useful ESP maps are drawn for the first time for IL mixtures corresponding to case I, II and III. Finally, a potential pathway to improve the miscibility of non-ionic polymers in ILs is also proposed.

Dynamics of Ion Locking in Doubly Polymerized Ionic Liquids

2020 ◽  
Author(s):  
Swati Arora ◽  
Julisa Rozon ◽  
Jennifer Laaser
Keyword(s):  
Dielectric Constant ◽  
Ionic Liquid ◽  
Ionic Liquids ◽  
Ion Pairs ◽  
Polymer Chains ◽  
Ion Motion ◽  
Charged Species ◽  
Broadband Dielectric Spectroscopy ◽  
Covalently Linked ◽  
Insight Into

<div>In this work, we investigate the dynamics of ion motion in “doubly-polymerized” ionic liquids (DPILs) in which both charged species of an ionic liquid are covalently linked to the same polymer chains. Broadband dielectric spectroscopy is used to characterize these materials over a broad frequency and temperature range, and their behavior is compared to that of conventional “singly-polymerized” ionic liquids (SPILs) in which only one of the charged species is attached to the polymer chains. Polymerization of the DPIL decreases the bulk ionic conductivity by four orders of magnitude relative to both SPILs. The timescales for local ionic rearrangement are similarly found to be approximately four orders of magnitude slower in the DPILs than in the SPILs, and the DPILs also have a lower static dielectric constant. These results suggest that copolymerization of the ionic monomers affects ion motion on both the bulk and the local scales, with ion pairs serving to form strong physical crosslinks between the polymer chains. This study provides quantitative insight into the energetics and timescales of ion motion that drive the phenomenon of “ion locking” currently under investigation for new classes of organic electronics.</div>

Ionic Liquid Assisted Synthesis of Some 2-Aminobenzenethiols

2019 ◽  
Vol 16 (7) ◽  
pp. 550-555
Author(s):  
Dinesh K. Jangid ◽  
Keshav L. Ameta ◽  
Surbhi Dhadda ◽  
Anjali Guleria ◽  
Prakash G. Goswami ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Ionic Liquids ◽  
Comparative Study ◽  
Maximum Yield ◽  
Efficient Synthesis ◽  
Target Molecules ◽  
Presence And Absence

Ionic Liquid assisted efficient synthesis of some 2-aminobenzenethiols has been reported using three different Ionic Liquids (ILs) namely methylimidazolium tetrafluoroborate [MIM]+[BF4]−, methylimidazolium chloride [MIM]+[Cl]− and methylimidazolium nitrate [MIM]+[NO3]−. A comparative study has been carried out for the synthesis of target molecules in the presence and absence of IL, leading to conclusion that maximum yield has been observed with [MIM]+[BF4]−.

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