Electropolymerization of benzotriazole in room temperature ionic liquid [bmim]PF6

Zhou, Zeyan; He, Deliang; Yang, Ronghua; Guo, Yanni; Zhong, J. F.; Li, G. X.

doi:10.1007/s10800-008-9627-y

Cited by 14 publications

(7 citation statements)

References 30 publications

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“…The reaction equations from [EMIm]Cl are shown in Figure 2. For the molecular structure of alkyl-substituted imidazolium-based ILs, as shown in Figure 1, R 1 is typically methyl and R 2 can generally be butyl [24][25][26][27][28][29][30][31], ethyl [32][33][34][35], or octyl [36]. [38] reported a method that included putting a strongly hydrogen bonded organic material in contact with an ionic liquid having a fluoride anion for the solubilization of the strongly hydrogen bonded organic material.…”

Section: Synthesis Of [Emim]fmentioning

confidence: 99%

Temperature Dependence on Density, Viscosity, and Electrical Conductivity of Ionic Liquid 1-Ethyl-3-Methylimidazolium Fluoride

Liu

Zhong

et al. 2018

Applied Sciences

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Ionic liquids are considered environmentally friendly media for various industrial applications. Basic data on physicochemical properties are significant for a new material, in terms of developing its potential applications. In this work, 1-ethyl-3-methylimidazolium fluoride ([EMIm]F) ionic liquid was synthesized via an anion metathesis process. Physical properties including the density, viscosity, electrical conductivity, and thermal stability of the product were measured. The results show that the density of [EMIm]F decreases linearly with temperature increases, while dynamic viscosity decreases rapidly below 320 K and the temperature dependence of electrical conductivity is in accordance with the VFT (Vogel-Fulcher-Tammann) equation. The temperature dependence of the density, conductivity, and viscosity of [EMIm]F can be expressed via the following equations: ρ = 1.516 − 1.22 × 10 −3 T, σ m = 4417.1exp[−953.17/(T − 166.65)] and η = 2.07 × 10 −7 exp(−5.39 × 10 4 /T), respectively. [EMIm]F exhibited no clear melting point. However, its glass transition point and decomposition temperature are −71.3 • C and 135 • C, respectively.

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Section: Synthesis Of [Emim]fmentioning

confidence: 99%

Temperature Dependence on Density, Viscosity, and Electrical Conductivity of Ionic Liquid 1-Ethyl-3-Methylimidazolium Fluoride

Liu

Zhong

et al. 2018

Applied Sciences

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“…They have been tested in a number of applications regarding polymers and have showed very interesting performance especially in terms of electrochemical stability [3][4]. Recently a number of papers have focused on the use of ILs as electrolytes (or electrolyte components in mixture with other chemicals) and as media for use within electropolymerization [5][6][7][8][9][10][11]. However, only few works reported in the literature have dealt with the polymerization of polypyrrole [12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

An Impedimetric Glucose Biosensor Based on Overoxidized Polypyrrole Thin Film

et al. 2011

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Polypyrrole (pPy) thin films were synthesized electrochemically by a pulse method on platinum electrodes in Nbutyl-N-methyl-pyrrolidinium bis(trifluoromethanesulfonyl)imide ionic liquid (PYR 14 TFSI). An important aspect of this procedure is the use of an ionic liquid, as synthetic medium. Further, it can be used for several procedures and it can then be renewed and recycled by a simple extraction just with warm water. It is therefore possible to remove it from all the residual oxidized pyrrolic compounds and purify the solvent in a very simplicistic way. After the synthesis pPy was overoxidized (opPy ) and the process was followed by EIS (Electrochemical Impedance Spectroscopy). opPy is attractive for the realization of sensors and biosensors because of its good selectivity towards hydrogen peroxide (H 2 O 2 ) with respect to the most common interferents. In particular it can find an application in food process control. The EIS response to hydrogen peroxide and biological interferents indicated opPy as a highly sensitive electrochemical platform for impedimetric sensing. The glucose oxidase enzyme (GOD) was immobilized onto the polymer and the modified electrode was assembled and tested as an impedimetric biosensor. This technique seems very promising for application in food process control.

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“…These demonstrated the development of p-1,5-PDAN layer at the PGE surface. 55 Characterization of p-1,5-DAN/PGE sensor.-Scanning electron microscopy (SEM).-The morphologies of the pencil graphite were investigated using scanning electron microscopy (SEM). The nature of the electrode surface is significant because electrochemistry is essentially based on interfacial phenomena.…”

Section: Resultsmentioning

confidence: 99%

Development of a Disposable Pencil Graphite Electrode Modified with Poly 1,5-Diaminonaphthalene for Voltammetric Determination of Flufenamic Acid

Omar¹,

Mabrouk²,

El‐Etre³

et al. 2023

J. Electrochem. Soc.

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Due to their comparable electrical properties, pencil graphite electrodes (PGE) have become a more popular electrode in electrochemical applications than traditional carbon electrodes, mostly because of their affordability and availability, which allows for disposable applications. Both cyclic voltammetry (CV) and chronoamperometry (CA) techniques were used to develop a new disposable modified pencil graphite electrode based on the electropolymerization of 1,5-diaminonaphthalane (1,5-DAN). Characterization results confirmed that the modified p-1,5-DAN/PGE(CV) sensor showed significwntly enhanced sensitivity and lower resistivity than the bare and p-1,5-DAN/PGE(CA) sensor, therefore, it was used for the sensitive and selective voltammetric determination of flufenamic acid (FFA). Under the optimum experimental conditions, the p-1,5-DAN/PGE(CV) sensor showed limits of detection and quantitation of 4.97  10-10 (0.14 ng ml-1) and 1.66  10-9 M (0.47 ng ml-1), respectively, applying square wave anodic stripping voltammetry method. The p-1,5-DAN/PGE(CV) sensor also exhibits good accuracy, repeatability, storage stability, and selectivity for detecting FFA in biological fluids. These results confirms that the developed p-1,5-DAN/PGE(CV) sensor is more sensitive to measuring FFA in biological fluids, pharmaceutical formulations, and pharmacokinetic studies compared with the previous electrochemical sensors.

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Electropolymerization of benzotriazole in room temperature ionic liquid [bmim]PF6

Cited by 14 publications

References 30 publications

Temperature Dependence on Density, Viscosity, and Electrical Conductivity of Ionic Liquid 1-Ethyl-3-Methylimidazolium Fluoride

Temperature Dependence on Density, Viscosity, and Electrical Conductivity of Ionic Liquid 1-Ethyl-3-Methylimidazolium Fluoride

An Impedimetric Glucose Biosensor Based on Overoxidized Polypyrrole Thin Film

Development of a Disposable Pencil Graphite Electrode Modified with Poly 1,5-Diaminonaphthalene for Voltammetric Determination of Flufenamic Acid

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