Browsing by Author "Abdullah, Aboubakr M."
Now showing items 21-40 of 86
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Effect of the temperature on the passivity of the modified martensitic stainless steels
Radwan, A. Bahgat; Moussa, A. M.; Al-Qahtani, Noora H.; Case, Raymundo; Castaneda, Homero; Abdullah, Aboubakr M.; El-Haddad, Muhsen A.M.; Bhadra, Jolly; Al-Thani, Noora; Ding, Yuan... more authors ... less authors ( Taylor and Francis Group , 2022 , Article)The limits and nature of the passive behavior exhibited by modified martensitic stainless steels (MMSS) is studied in brine solutions at different temperatures using electrochemical methods and the point defect model (PDM), ... -
An efficient green ionic liquid for the corrosion inhibition of reinforcement steel in neutral and alkaline highly saline simulated concrete pore solutions
Sliem, Mostafa H.; Radwan, Ahmed Bahgat; Mohamed, Farida S.; Alnuaimi, Nasser A.; Abdullah, Aboubakr M. ( Nature Research , 2020 , Article)The effect of the green ionic liquid compound, Quaternium-32 (Q-32), on the corrosion inhibition performance of reinforcement steel, in a simulated concrete pore solution, was investigated at different temperatures and pH ... -
Efforts at Enhancing Bifunctional Electrocatalysis and Related Events for Rechargeable Zinc-Air Batteries
Ipadeola, Adewale K.; Haruna, Aderemi B.; Gaolatlhe, Lesego; Lebechi, Augustus K.; Meng, Jiashen; Pang, Quanquan; Eid, Kamel; Abdullah, Aboubakr M.; Ozoemena, Kenneth I.... more authors ... less authors ( John Wiley and Sons Inc , 2021 , Other)Invited for this month's cover picture is the group of Prof. Dr. Kenneth I. Ozoemena at the University of the Witwatersrand and collaborators from Qatar University and Peking University. The Front Cover illustrates the ... -
Efforts at Enhancing Bifunctional Electrocatalysis and Related Events for Rechargeable Zinc-Air Batteries
Ipadeola, Adewale K.; Haruna, Aderemi B.; Gaolatlhe, Lesego; Lebechi, Augustus K.; Meng, Jiashen; Pang, Quanquan; Eid, Kamel; Abdullah, Aboubakr M.; Ozoemena, Kenneth I.... more authors ... less authors ( John Wiley and Sons Inc , 2021 , Article Review)Rechargeable zinc-air batteries (RZABs) are one of the most promising next-generation energy-storage technologies for stationary applications (home and industry), wearable and portable electronics, and transportation ... -
Electrocatalytic CO oxidation on porous ternary PdNiO-CeO2/carbon black nanocatalysts: Effect of supports and electrolytes
Adewale K., Ipadeola; Haruna, Aderemi B.; Abdullah, Aboubakr M.; Shibl, Mohamed F.; Ahmadaliev, Doniyorbek; Ozoemena, Kenneth I.; Eid, Kamel... more authors ... less authors ( Elsevier , 2023 , Article)The catalytic activity and durability of porous ternary Pd-based electrocatalysts are augmented by alloying with other metals and using supports, however, the effect of supports and electrolytes at varied pH on the ... -
Electrochemical and thermodynamic study on the corrosion performance of API X120 steel in 3.5% NaCl solution
Shahzad, Khuram; Sliem, Mostafa H.; Shakoor, R. A.; Radwan, A. Bahgat; Kahraman, Ramazan; Umer, Malik Adeel; Manzoor, Umair; Abdullah, Aboubakr M.... more authors ... less authors ( Nature Research , 2020 , Article)The present work studied the effect of temperature on the corrosion behavior of API X120 steel in a saline solution saturated with CO2 in absence and presence of polyethyleneimine (PEI) as an environmentally safe green ... -
Electrospun highly corrosion-resistant polystyrene–nickel oxide superhydrophobic nanocomposite coating
Bahgat Radwan, A.; Mannah, Cheirva A.; Sliem, Mostafa H.; Al-Qahtani, Noora Hamad S.; Okonkwo, Paul C.; Berdimurodov, Elyor; Mohamed, Adel M.; Abdullah, Aboubakr M.... more authors ... less authors ( Springer Science and Business Media B.V. , 2021 , Article)A key challenge in producing superhydrophobic coatings (SHC) is to tailor the surface morphology on the micro-nanometer scale. In this work, a feasible and straightforward route was employed to manufacture polystyrene/nickel ... -
Engineering graphitic carbon nitride (g-C3N4) for catalytic reduction of CO2 to fuels and chemicals: strategy and mechanism
Lu, Qingqing; Eid, Kamel; Li, Wenpeng; Abdullah, Aboubakr M.; Xu, Guobao; Varma, Rajender S.... more authors ... less authors ( Royal Society of Chemistry , 2021 , Article Review)The reduction of carbon dioxide to useful fuels/chemicals, such as methane, formic, and methanol, is an innovative way to address looming energy and environmental issues. Graphitic carbon nitride (g-C3N4), as a greener and ... -
Engineering of Pt-based nanostructures for efficient dry (CO2) reforming: Strategy and mechanism for rich-hydrogen production
Ahmed, Gamal; Eid, Kamel; Abdullah, Aboubakr M. ( Elsevier Ltd , 2022 , Article Review)Dry (CO2) reforming of methane (DRM) is of great interest in scientific, environmental, and industrial applications. The high-energy stationary path DRM provides gigatons of CO2 utilization to produce syngas (CO and H2), ... -
Enhanced mechanical and corrosion protection properties of pulse electrodeposited NiP-ZrO2 nanocomposite coatings
Sliem, Mostafa H.; Shahzad, Khuram; Sivaprasad, V. N.; Shakoor, R. A.; Abdullah, Aboubakr M.; Fayyaz, Osama; Kahraman, Ramazan; Umer, Malik Adeel... more authors ... less authors ( Elsevier B.V. , 2020 , Article)Pulse electrodeposition is a technique of particular interest, which offers promising advantages such as ease of processing, compositional control, uniformity in structure, and grain refinement. In the present study, ... -
Evaluation of the Pitting Corrosion of Modified Martensitic Stainless Steel in CO2 Environment Using Point Defect Model
Radwan, Ahmed Bahgat; Moussa, Abdraman M.; Al-Qahtani, Noora H.; Case, Raymundo; Castaneda, Homero; Abdullah, Aboubakr M.; El-Haddad, Muhsen A.M.; Bhadra, Jolly; Al-Thani, Noora Jabor... more authors ... less authors ( MDPI , 2022 , Article)Pitting corrosion is a significant concern for the broader application of stainless steel in modern industries in which metal and metal alloy are detached preferentially from susceptible parts on the surface, resulting in ... -
Facile one-step aqueous-phase synthesis of porous PtBi nanosponges for efficient electrochemical methanol oxidation with a high CO tolerance
Qingqing, Lu; Li, Jiaojiao; Eid, Kamel; Gu, Xilei; Wan, Zhenyu; Li, Wenpeng; Al-Hajri, Rashid S.; Abdullah, Aboubakr M.... more authors ... less authors ( Elsevier B.V. , 2022 , Article)Deliberate control in the composition and morphology of Pt-based catalysts is an efficient route for enhancing the methanol oxidation reaction (MOR). Herein we developed a facile method for rational one-step aqueous-phase ... -
Formation and Structure of Sulfide Deposits on Carbon Steel Under Free Corrosion Potential
Al-Qahtani, Noora; Qi, Jiahui; Abdullah, Aboubakr M.; Laycock, Nicholas J.; Ryan, Mary P. ( Association for Materials Protection and Performance , 2021 , Article)The corrosion of alloy materials in the H2S environment has considerably limited the growth of oilfield manufacturing. The sour corrosion of iron has frequently been studied, and steel corrosion under the H2S scheme has ... -
A gossypol derivative as an efficient corrosion inhibitor for St2 steel in 1 M HCl + 1 M KCl: An experimental and theoretical investigation
Elyor, Berdimurodov; Kholikov, Abduvali; Akbarov, Khamdam; Guo, Lei; Abdullah, Aboubakr M.; Elik, Mustafa... more authors ... less authors ( Elsevier B.V. , 2021 , Article)Currently, there are several types of corrosion inhibitors were studied. The new type of corrosion inhibitor based on a gossypol derivative was first introduced. The anti-corrosion performance of 6-aminopenicillanic acid ... -
Graphene-based catalysts for carbon monoxide oxidation: Experimental and theoretical insights
Adewale K., Ipadeola; Chitt, Mira; Abdelgawad, Ahmed; Eid, Kamel; Abdullah, Aboubakr M. ( Elsevier , 2023 , Article)Graphene-based catalysts are important in various applications ranging from hydrogen production to fuel cells and gas conversion reactions, due to their high surface area, low density, great mechanical properties, and rich ... -
Heterogeneous Catalysts for Conversion of Biodiesel-Waste Glycerol into High-Added-Value Chemicals
Tabassum, Nabila; Pothu, Ramyakrishna; Pattnaik, Aishanee; Boddula, Rajender; Balla, Putrakumar; Gundeboyina, Raveendra; Challa, Prathap; Rajesh, Rajendiran; Perugopu, Vijayanand; Mameda, Naresh; Radwan, Ahmed Bahgat; Abdullah, Aboubakr M.; Al-Qahtani, Noora... more authors ... less authors ( MDPI , 2022 , Article)The valuable products produced from glycerol transformation have become a research route that attracted considerable benefits owing to their huge volumes in recent decades (as a result of biodiesel production as a byproduct) ... -
High Dispersion of Platinum Nanoparticles over Functionalized Zirconia for Effective Transformation of Levulinic Acid to Alkyl Levulinate Biofuel Additives in the Vapor Phase
Pothu, Ramyakrishna; Mameda, Naresh; Mitta, Harisekhar; Boddula, Rajender; Gundeboyina, Raveendra; Perugopu, Vijayanand; Radwan, Ahmed Bahgat; Abdullah, Aboubakr M.; Al-Qahtani, Noora... more authors ... less authors ( MDPI , 2022 , Article)In recent years, functionalized metal oxides have been gaining popularity for biomass conversion to fuels and chemicals due to the global energy crisis. This study reports a novel catalyst based on noble metal immobilization ... -
Highly exfoliated Ti3C2T: XMXene nanosheets atomically doped with Cu for efficient electrochemical CO2reduction: An experimental and theoretical study
Eid, Kamel; Lu, Qingqing; Abdel-Azeim, Safwat; Soliman, Ahmed; Abdullah, Aboubakr M.; Abdelgwad, Ahmed M.; Forbes, Roy P.; Ozoemena, Kenneth I.; Varma, Rajender S.; Shibl, Mohamed F.... more authors ... less authors ( Royal Society of Chemistry , 2022 , Article)Ti3C2Tx MXene nanostructures have garnered attention for various catalytic applications due to their built-in electronic properties. Herein, we rationally design highly exfoliated two-dimensional Ti3C2Tx nanosheets (Tx = ... -
Highly sensitive humidity sensor based on cadmium selenide quantum dots-polymer composites: synthesis, characterization, and effect of UV/ozone treatment
Jlassi, Khouloud; Mallick, Shoaib; Mutahir, Hafsa; Salauddin, Sayma Akhter; Chehimi, Mohamed M.; Abdullah, Aboubakr M.; Ahmad, Zubair; Attia, Mohamed F.; Abdellah, Mohamed... more authors ... less authors ( Springer , 2023 , Article)This work describes the rational design of thin film-based cadmium selenide quantum dots (CdSe) mixed with conductive polyvinylidene fluoride (PVDF), inducing PVDF-CdSe composite for potential resistive humidity-sensing ... -
Impact of Prolonged Exposure to Sour Service on the Mechanical Properties and Corrosion Mechanism of NACE Carbon Steel Material Used in Wet Sour Gas Multiphase Pipeline
Yadav, Manoj; Sliem, Mostafa H.; Abdullah, Aboubakr M.; Youssef, Khaled M.; Al-Qahtani, Noora H. ( MDPI , 2022 , Article)The oil and gas industry is involved with severe corrosive/sour environmental conditions due to H2S, CO2, and moisture content. The National Association of Corrosion Engineers (NACE) has developed standards to enable users ...