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Publications (36)
The inhibition effect of red onion ethanol extract on the corrosion of aluminium in 0.2M aqueous HCl solution at 303, 313 and 323 K was investigated by weight loss method. The results showed that the inhibition efficiency decreased with temperature rise but increased with the inhibitor concentration from 0.2 to 0.8g/L. The highest inhibition effici...
Poly (3,4-ethylene dioxythiophene): poly (styrene sulfonate) (PEDOT: PSS) is a transparent and conducting polymer widely used in polymer photovoltaic cells, sensors, and organic light-emitting diodes (OLEDs). However, the application of the polymer is restricted due to its low optical absorption and electrical conductivity. Also, the negative envir...
The corrosion of Aluminum is a critical issue in various industrial applications. Using computational methods, this study theoretically investigated the corrosion inhibition properties of two chalcone derivatives. The aim was to understand the molecular mechanisms underlying the inhibitory effect of chalcone derivatives on aluminum corrosion. Densi...
The optical diffuse reflectance data of a semiconductor material is usually converted into the Kubelka–Munk function before proceeding to process the conventional Tauc’s plot from which optical bandgap energy can be determined. Firstly, it is conventional/ customary to convert the percentage reflectance (\({R}_{\infty }\)(%)) data, which is obtaine...
A great deal of efforts have been dedicated to reduce carrier recombination problem in β-Ga 2 O 3 using strategies, such as doping, compositing, and interfacing with different materials to enhance device performance. However, reports are rarely available for integrating In with β-Ga 2 O 3 for photoelectrochemical applications. Herein, we reports th...
The present work reports the photoelectrocatalytic properties of pyrolyzed molybdenum oxide thin film. Microstructural analysis revealed clustered nanoaggregates. Structural analysis showed a polycrystalline α\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepa...
The present work reports the photocatalytic properties of pyrolyzed molybdenum oxide thin film. Microstructural analysis reveals clustered nanoaggregates. Structural analysis shows polycrystalline 𝛼-MoO3 phase. The crystallite size, dislocation density, microstrain and stacking faults are found to be 41.27 nm, 5.87 ×10 ⁻⁴ lines/cm2, 8.41 ×10 ⁻⁴ and...
When exposed to harsh settings, iron, one of the most useful metals on earth, is known to corrode. To explore the ability to suppress corrosion, a variety of techniques have been employed, including computational methods. Quantum chemical and molecular dynamic modeling techniques were used to study the corrosion inhibitory effects of thiophene (THI...
Organic-based photovoltaics are excellent candidates for renewable energy alternatives to fossil fuels due to their low weight, low manufacturing cost, and, in recent years, high efficiency, which is now above 18%. However, one cannot ignore the environmental price of the fabrication procedure due to the usage of toxic solvents and high-energy inpu...
The optical diffuse reflectance data of a semiconductor material is usually converted into the Kubelka–Munk function before proceeding to process the conventional Tauc’s plot from which optical bandgap energy can be determined. Firstly, it is conventional/ customary to convert the percentage reflectance ( R ∞ (%)) data which is obtained from UV-vis...
Experimental methods have been employed to elucidate the corrosion inhibition mechanism, but they are often expensive and time-consuming, necessitating the search for more alternatives. The development of computer hardware and software engineering has allowed the effective use of theoretical modeling tools that successfully correlate the inhibition...
Experimental methods have been employed to elucidate the corrosion inhibition mechanism, but they are often expensive and time-consuming, necessitating the search for more alternatives. The development of computer hardware and software engineering has allowed the effective use of theoretical modeling tools that successfully correlate the inhibition...
The theoretical performance of 4-methoxyphenyl-1,3,4-thiadiazole (AMPT), 2-
Amino-5-(4-chlorophenyl)-1,3,4-thiadiazole (ACPT) and 2-amino-5-phenyl-1,3,4-
thiadiazole (APT) as inhibitors of iron corrosion was assessed with a view of
determining the mechanism of the inhibition process. The reactivity of the
molecules with the computed descriptors was...
Mild steel (MS) corrosion inhibition by Terminalia mantaly (TM), in 1.0 M HCl, was studied using weight loss and linear polarization methods, at different reaction conditions. Gas chromatography-mass spectrometry (GC-MS) was used to determine the possible extract components. Fourier transformed infrared spectroscopy (FTIR) and optical microscopy we...
Background
The excessive usage of herbicides to control herbs by farmers has become an issue of interest to the environmentalist due to the threat posed by such act to the ecosystem, and therefore, there is the need to curb such practices . The efficiency of Bambara groundnut shell for the removal of pendimethalin (PE) and paraquat dichloride (PQ)...
The study reports the corrosion inhibition activity of methanol extract of Aframomum chrysanthum on mild steel in 0.1 M HCl, using gravimetry analysis. The weight loss of the mild steels was observed to increase with increasing immersion time. The inhibition efficiency (%IE) was also observed to have increased with increasing concentrations of the...
Polyesteramide urethane was synthesized from Cucurbita maxima seed oil and characterized via Thermogravimetric analysis, Fourier Transformed Infrared spectroscopy, and Differential Scanning Calorimetry. The inhibiting effect of the synthesized polyesteramide urethane (CPEAU) on mild steel in 1.0 Molar concentrations of HCl was investigated through...
We report on the preliminary phytochemical screening of the methanolic extract of the aerial parts of Lepidagathis alopecuroides and its evaluation as a potential corrosion inhibitor for mild steel in aerated 1.0 M HCl by weight loss and linear polarization measurements. Weight loss measurements were conducted at 303, 313, 323 and 333 K. The result...
The effect of Napoleonaea imperialis seed extract on the corrosion of mild steel in 1.0 M solution of HCl was studied using weight loss measurements at 313 and 333 K. The results obtained from the experiment showed that the seed extract of N.imperialis functioned as an excellent inhibitor against the corrosion of mild steel in 1.0 M solution of HCl...
The adsorption and inhibitive behavior of gums obtained from Mangifera indica tree was investigated at 303-333 K using weight loss and linear polarization measurements. The results obtained from both measurements showed that Mangifera indica gums inhibited the corrosion of mild steel in 1.0 M HCl. Linear polarization measurements revealed Mangifera...
The inhibition of mild steel corrosion in 1.0 M HCl and 0.5 M H 2 SO 4 by Cissus populnea stem extract was investigated using weight loss measurements in the temperature range of 303 – 333 K. Results from the study revealed that Cissus populnea stem extract inhibited the corrosion of mild steel in both acid media. Inhibition efficiency of the stem...
The dissolution of aluminum alloy AA 1060 in 0.5 M and 1.0 M HCl was investigated using thermometric measurements. The reaction number of the aluminum coupons varied linearly with the concentration of the acid. Addition of Napoleonaea imperialis seed extract to the dissolving aluminium coupons lowered the reaction number in both concentrations of H...
Chemical analysis of fifteen (15) limestone samples, 13 of which were locally sourced, was carried out using gravimetric as well as flame emission and uv-visible spectroscopic methods. The range of parameters determined in percentages were as follows; loss on drying (0.10-1.68), loss on ignition (40.97-47.24), insoluble matter (1.43-2.73), SiO 2 (0...
The adsorptive and inhibitive effects of Maranthes polyandra stem bark extract against the corrosion of mild steel in 1.0 M HCl was studied using weight loss measurement at 303, 313, 323 and 333 K. The inhibition efficiency increased with an increase in inhibitor concentration but decreased with rise in temperature and exposure time. Increase in te...
The adsorptive and inhibitive effects of Maranthes polyandra stem bark extract against the corrosion of mild steel in 1.0 M HCl was studied using weight loss measurement at 303, 313, 323 and 333 K. The inhibition efficiency increased with an increase in inhibitor concentration but decreased with rise in temperature and exposure time. Increase in te...
Cucumeropsis mannii Naud. seed oil was obtained by soxhlet extraction using petroleum ether (40-60 °C). The oil was processed by bleaching, filtration, dewaxing, degumming and refining. The average values of the physico-chemical properties were determined. The oil was used to formulate batches of methyl salicylate liniment and salicylic acid lotion...
The inhibition of corrosion of mild steel in 1 M HCl and 0.5 M H 2 SO 4 solutions by the leaves extracts of Pentaclethra macrophylla (PM) was investigated using the gravimetric technique at 30–60 o C. It was found that PM extracts acted as an inhibitor for acid-induced corrosion of mild steel. The inhibition efficiency (IE %) of the extract increas...
The kinetic and thermodynamic studies of the corrosion of mild steel in acidic medium using methanolic extracts of Bridelia ferruginea (BF) was carried out using gravimetric and electrochemical linear polarization techniques. It was found that the BF extract retarded the corrosion of mild steel in 1.0 M HCl solution. The inhibition efficiency incre...
The kinetic and thermodynamic studies of the corrosion of mild steel in acidic medium using methanolic extracts of Bridelia ferruginea (BF) was carried out using gravimetric and electrochemical linear polarization techniques. It was found that the BF extract retarded the corrosion of mild steel in 1.0 M HCl solution. The inhibition efficiency incre...
