Showing papers in "Journal of Electroanalytical Chemistry in 2020"

TL;DR: The use of the Butler-Volmer equation to describe electrode kinetics has been extensively studied in the literature, such as misuse of terminology or inappropriate mathematical expressions of the kinetic equations as mentioned in this paper.

TL;DR: In this article, a Cu-based metal-organic framework (Cu-MOF) was synthesized under ionothermal condition, further grafted with ammoniated Au nanoparticles (AuNPs-NH2) to prepare a composite electrode for hydrogen peroxide (H2O2) detection.

TL;DR: In this article, a review explores the innovations in electrochemical biosensing based on the various electroanalytical techniques including voltammetry, impedance, amperometry and potentiometry and discusses their potential in diagnosis of emerging and re-emerging infectious diseases (Re-EIDs), which are potential pandemic threats.

TL;DR: In this article, the authors further modified ZIF-8NPC by using Co3O4 nanoflakes together with polyaniline (PANI) in a controlled in situ polymerization on the surface of Zif-8 NPC to form a Co 3O4-PANI@ZIF 8NPC nanocomposite.

TL;DR: In this article, the electrochemical active surface area (ECSA) of Ni-based nanostructured catalysts and polycrystalline Ni foams is quantified using cyclic voltammetry.

TL;DR: In this article, the PANI@MnO2 nanoparticles and conducting PANI polymer with the good cycling stability of PCNFs were used for high performance supercapacitor applications.

TL;DR: In this article, the authors investigated the impact of aqueous electrolytes on the performance of energy storage in electrochemical supercapacitors, and found that super-capacitor electrode materials have shown high performance in neutral acid electrolytes due to low molar ionic conductivity.

TL;DR: In this paper, a nitrogen-doped carbon-coated MnO (MnO@N-C) composite fibers were fabricated directly through an in situ strategy of electrospinning method, followed by two-step annealing processes.

TL;DR: In this article, the corrosion inhibition behavior of synthesized triazine-thiourea compounds, namely, 1,3-bis(5,6-diphenyl-1,2,4-triazin-3-yl) and 1, 3-bis (5H-[1, 2,4]triazino[5, 6-b]indol-3]-indol]-3yl), on mild steel in 15% HCl solution was investigated by using gravimetric and electrochemical corrosion testing methods at different experimental conditions.

TL;DR: Capacitive deionization (CDI) is an emerging technology for energy-efficient water desalination, and attracts more and more attention in recent years It has been concluded that CDI technology shows competitiveness and perspectives on seawater desalification and wastewater treatment as discussed by the authors.

TL;DR: In this paper, a modified glassy carbon electrode (GCE) with a coating containing methylcellulose/graphene oxide/iron oxide nano hydrogel (MC-GO-Fe3O4) has been developed to design a high-performance electrochemical bioassay system.

TL;DR: In this article, the authors employed fused deposition modeling 3D printing to manufacture electrodes from a conductive polylactic acid (PLA)/carbon black composite filament and further activate electrodes by a simple electrochemical anodic procedure.

TL;DR: In this paper, the performance of BiVO4/PANI composite was investigated as an electrode material for supercapacitor application by cyclic voltammetry (CV), Galvanostatic charge-discharge (GCD) and Electrochemical impedance spectroscopic (EIS) techniques.

TL;DR: In this article, a low-cost electrochemically polymerized DL-phenylalanine graphite electrode (Poly(DLPA)-GE) was designed for Dopamine (DA) sensing.

TL;DR: In this paper, a novel hierarchical carbon with a high surface area (2742 m2 g−1) and pore volume (1.528 cm3 g− 1) is prepared from cashew nut husk biomass waste by a simple chemical activation.

TL;DR: In this paper, a novel SnS-decorated Bi2O3 nanosheets heterostructure was synthesized via a facile hydro/solvothermal strategy.

TL;DR: In this paper, gold nanoparticles and nitrogen-doped carbon nano-onions (AuNP/NCNO) were reported for the electrochemical detection of acetaminophen (APAP).

TL;DR: In this paper, a novel 2D nanosheet Ni@Cu-MOF was constructed as a high-performance catalyst electrode for Glu electro-oxidation in alkaline media.

TL;DR: In this paper, the effect of the ratio H2O/H2SO4 on the electrochemical behavior at boron-doped diamond (BDD) surface was studied to verify the possible participation of hydroxyl radical on the production of persulfate.

TL;DR: In this paper, the polymeric structure and sensitivity of polyaniline (PANi) through its reinforcement with decorated graphene oxide (GO) nanoflakes with interconnected, porous and highly dense pattern of iron tungsten nitride (GO-ITN) for precise and real-time detection of 4-nitrophenol (4-NP) within the aqueous media.

TL;DR: In this article, an electrochemical nanozyme sensor coupled with machine learning for intelligent analysis of carbendazim residues in tea and rice samples using graphene-like molybdenum disulfide (MoS2)/multi-walled carbon nanotubes (MWCNTs) porous nanohybrid network with oxidase-like characteristic was developed.

TL;DR: In this article, a novel sandwich assay electrochemical biosensor was developed for highly sensitive and selective detection of AβO, using molecularly imprinted polymers (MIPs) and aptamer as the recognition element.

TL;DR: In this paper, a novel electrochemical biosensor based on AuNPs/Ti3C2 MXene three-dimensional nanocomposite for sensitive miRNA-155 detection by exonuclease III (Exo III)-aided cascade target recycling is reported.

TL;DR: In this article, a new sensitive electrochemical method for simultaneous determination of ciprofloxacin (antibiotic) and paracetamol (painkiller) was presented.

TL;DR: In this paper, the polypyrrole nanospheres/Ti3C2-MXene (PPy/Ti 3C2) heterostructure nanocomposite was used as an advanced supercapacitors electrode material.

TL;DR: In this article, two-step organic sol-gel procedure was applied to produce high surface area nitrogen doped graphene samples varying in surface area and nitrogen content, which gave superior capacitative performance than those of graphene oxide and blank sample, but higher in acidic electrolyte than the alkaline yielding a volumetric specific capacitance of ~118 F·cm−3 with Coulombic efficiency of >99% and capacitance retention >80% after 10,000 successive cycle.

TL;DR: In this article, transition metal borides (TMBs) have been proven as promising alternatives to replace precious metal catalysts, and various synthetic strategies for the construction and functionalization of TMBs are discussed.

TL;DR: In this paper, the electrochemical generation of several oxidative species was studied at the surfaces of five commercial boron-doped diamond anodes with different doping levels (100-8000ppm).

TL;DR: In this article, a sensitive and stable ascorbic acid (AA) and dopamine (DA) amperometric biosensor was fabricated using nanobiocomposite derived from poly(aniline-co-thionine) (P(ANI- co-THI)) modified graphene oxide (GO).

TL;DR: In this article, the authors synthesized zinc phosphate (ZnP) through facile hydrothermal technique, and to enhance the electrochemical properties of this material, ZnP was mixed with reduced graphene oxide (rGO) powder in different mass ratios.