A novel nonenzymatic hydrogen peroxide (H2O2) sensor has been fabricated by dispersing copper nanoparticles onto polypyrrole (PPy) nanowires by cyclic voltammetry (CV) to form PPy-copper nanocomposites on gold electrodes. Scanning electron microscopy (SEM) was used to characterize the morphologies of the PPy nanowires and the PPy-copper nanocomposite. The reactivity of the PPy-copper nanocompos...

Graphene-decorated V2O5 nanobelts (GVNBs) were synthesized via a low-temperature hydrothermal method in a single step. V2O5 nanobelts (VNBs) were formed in the presence of graphene oxide, a mild oxidant, which also enhanced the conductivity of GVNBs. From the electron energy loss spectroscopy analysis, the reduced graphene oxide (rGO) are inserted into the layered crystal structure of V2O5 nano...

Increasing urbanization and industrialization lead to the release of metals into the biosphere, which has become a serious issue for public health. In this paper, the direct electrochemical reduction of zinc ions is studied using electrochemically reduced graphene oxide (ERGO) modified glassy carbon electrode (GCE). The graphene oxide (GO) was fabricated using modified Hummers method and was el...

Electric double-layer capacitors (EDLCs) that store electrical energy in the interface between an electrolyte and a solid electrode are favorable storage systems demonstrate high-power density, excellent cycle stability, low environmental impact. To increase operating voltage improve capacitance of EDLCs, it is essential to investigate relationship degradation process structural properties acti...

The entrapment method was used to prepare electrochemical biosensors. Using controlled potential method, copolymers were synthesized between aniline y sulfonated-anilines in aqueous media at pH 4.9 on Platinum disc. The copolymers were characterized by elemental analysis and spectroscopy. Glucose-oxidase was entrapped in the electropolymerization process, at pH 4.9 in aqueous media. The copolym...

This work presents a thorough study on the early stage of copper electrodeposition from choline chloride-urea deep eutectic solvent (DES). Determination possible species in DES containing Cu2+ ions as electrolytes has been performed using UV-Vis measurements. Kinetic and thermodynamic aspects glassy carbon electrode were thoroughly investigated cyclic voltammetry (CV) chronoamperometry (CA). Bo...

In this paper, hexamethyltetramine is introduced into the electroplating bath to improve surface morphology of electrodeposited copper. The cyclic voltammetry (CV) and dynamic polarization curves are used study effect Cu(Ⅰ) on electrochemical behaviors solution. After implementing copper experiment, scanning electron microscope (SEM) X-ray diffraction (XRD) explore influence Surface crystal pla...

The linear sweep voltammetry potentiostatic approach was employed to electrochemically synthesize the conjugated copolymers P(3HT-random-HPDTP) at three distinct applied voltages (1.4, 1.435, 1.6 V). In relation their synthesis conditions, chemical structural, optical, and electrical properties were investigated compared using Fourier transform infrared (FTIR) spectroscopy, UV‒Vis absorption cy...

The oxidation of [n]nickelocenophanes [Ni(?5-C5H4)2(CH2)3] (3), [Ni(?5-C5H4)2(SiMe2)2] (10), [Ni(?5-C5H4)2(SiMe2)2O] (11), [Ni(?5-C5H4)2(CH2)4] (12), and poly(nickelocenylpropylene) [Ni(?5-C5H4)2(CH2)3]n (4) to both the monocationic dicationic species was investigated in dichloromethane by cyclic voltammetry (CV) square-wave voltammetry. presence acetonitrile on potentials 3 also CV. 10–12 exhi...

The nanofabrication of composites-based sensor can be routinely seen in the research literature, but high price restricts its use on a wider scale developing world for establishing sustainable society. Iraj Jodan Synthesized Ag-nanoparticles and alizarin yellow polymer based electrochemical thiourea detection. Alizarin provide stability, chemical attachment electrode surface it is toxic to lung...