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Advanced Electrochemical Materials: Experimental and Numerical Analysis

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: closed (31 August 2021) | Viewed by 2910

Special Issue Editor


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Guest Editor
Department of chemistry, Kunsan National University, Gunsan, Korea
Interests: energy storage system; lithium ion battery; supercapacitor; electrolyte; quantum calculation; molecular dynamics simulation; ion transport mechanism

Special Issue Information

Dear Colleagues, 

Electrochemical materials and interfaces are abundant in vastly different types of energy systems, which include but are not limited to electronics, batteries, fuel cells, electrochromic devices, and photovoltaics. Their applications can be found in a large number of consumer and industrial technologies. Recent demands for higher performance and efficiencies places significant stress on currently available materials. As the performance of such devices is intimately connected to the properties of the materials themselves, understanding and fine-tuning these properties is a crucial deciding factor in providing high performance and sustainable alternatives. 

Knowledge gained from experiments and simulation on electrochemical materials can aid in developing novel materials by fine-tuning desirable structural characteristics, help in screening potential highly efficient candidate materials, and build upon existing scientific understanding.

This Special Issue aims to present recent progress in the study and applications of electrochemical materials. It is our pleasure to invite all those who are interested in contributing new and interesting work to the aforementioned field.

Prof. Kyung-Koo Lee
Guest Editor

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Keywords

  • electrochemical materials
  • electrode
  • electrolyte
  • interface
  • computational chemistry
  • molecular structure

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Published Papers (1 paper)

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Research

12 pages, 3786 KiB  
Article
First Screen-Printed Sensor (Electrochemically Activated Screen-Printed Boron-Doped Diamond Electrode) for Quantitative Determination of Rifampicin by Adsorptive Stripping Voltammetry
by Jędrzej Kozak, Katarzyna Tyszczuk-Rotko, Magdalena Wójciak, Ireneusz Sowa and Marek Rotko
Materials 2021, 14(15), 4231; https://doi.org/10.3390/ma14154231 - 29 Jul 2021
Cited by 18 | Viewed by 2322
Abstract
In this paper, a screen-printed boron-doped electrode (aSPBDDE) was subjected to electrochemical activation by cyclic voltammetry (CV) in 0.1 M NaOH and the response to rifampicin (RIF) oxidation was used as a testing probe. Changes in surface morphology and electrochemical behaviour of RIF [...] Read more.
In this paper, a screen-printed boron-doped electrode (aSPBDDE) was subjected to electrochemical activation by cyclic voltammetry (CV) in 0.1 M NaOH and the response to rifampicin (RIF) oxidation was used as a testing probe. Changes in surface morphology and electrochemical behaviour of RIF before and after the electrochemical activation of SPBDDE were studied by scanning electron microscopy (SEM), CV and electrochemical impedance spectroscopy (EIS). The increase in number and size of pores in the modifier layer and reduction of charge transfer residence were likely responsible for electrochemical improvement of the analytical signal from RIF at the SPBDDE. Quantitative analysis of RIF by using differential pulse adsorptive stripping voltammetry in 0.1 mol L−1 solution of PBS of pH 3.0 ± 0.1 at the aSPBDDE was carried out. Using optimized conditions (Eacc of −0.45 V, tacc of 120 s, ΔEA of 150 mV, ν of 100 mV s−1 and tm of 5 ms), the RIF peak current increased linearly with the concentration in the four ranges: 0.002–0.02, 0.02–0.2, 0.2–2.0, and 2.0–20.0 nM. The limits of detection and quantification were calculated at 0.22 and 0.73 pM. The aSPBDDE showed satisfactory repeatability, reproducibility, and selectivity towards potential interferences. The applicability of the aSPBDDE for control analysis of RIF was demonstrated using river water samples and certified reference material of bovine urine. Full article
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