Browsing Center for Advanced Materials by Author "Abdullah, Aboubakr M."
Now showing items 41-60 of 101
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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) ... -
Hierarchical Porous Carbon Nitride-Crumpled Nanosheet-Embedded Copper Single Atoms: An Efficient Catalyst for Carbon Monoxide Oxidation
Eid, Kamel; Sliem, Mostafa H.; Al-Ejji, Maryam; Abdullah, Aboubakr M.; Harfouche, Messaoud; Varma, Rajender S.... more authors ... less authors ( American Chemical Society , 2022 , Article)Rational design of metal single-site embedded porous graphitic carbon nitride (P-g-C3N4) nanostructures exploiting maximum atom utilization is warranted to enhance the thermal CO oxidation (COOx) reaction. Herein, a facile, ... -
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 ... -
High electrocatalytic performance of CuCoNi@CNTs modified glassy carbon electrode towards methanol oxidation in alkaline medium
Hamza, Amina A.; El-Refaei, Sayed M.; Elzatahry, Ahmed A.; Abdullah, Aboubakr M. ( MDPI AG , 2017 , Article)A novel non-precious multiwalled carbon nanotubes (CNTs)-supported metal oxide electrocatalyst was developed for methanol electrooxidation in alkaline medium. The catalyst was fabricated by simultaneous electrodeposition ... -
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 ... -
Indentation and erosion behavior of electroless Ni-P coating on pipeline steel
Wang, Chuhong; Farhat, Zoheir; Jarjoura, George; Hassan, Mohamed K.; Abdullah, Aboubakr M. ( Elsevier , 2017 , Article)Electroless Ni-P coating has a potential use in oil and gas pipeline industry due to its good corrosion and wear resistance. However, the erosion and indentation behavior of the coating have not been fully explored yet. ... -
Interfacial Electronic Interactions within the Pd-CeO2/Carbon Onions Define the Efficient Electrocatalytic Ethanol Oxidation Reaction in Alkaline Electrolytes
Ogada, Jimodo J.; Ehirim, Tobechukwu J.; Ipadeola, Adewale K.; Haruna, Aderemi B.; Mwonga, Patrick V.; Abdullah, Aboubakr M.; Yang, Xiao Yu; Eid, Kamel; Wamwangi, Daniel M.; Ozoemena, Kenneth I.... more authors ... less authors ( American Chemical Society (ACS) , 2024 , Article)Porous Pd-based electrocatalysts are promising materials for alkaline direct ethanol fuel cells (ADEFCs) and ethanol sensors in the development of renewable energy and point-of-contact ethanol sensor test kits for drunk ... -
Interfacial Engineering of Porous Pd/M (M = Au, Cu, Mn) Sponge-like Nanocrystals with a Clean Surface for Enhanced Alkaline Electrochemical Oxidation of Ethanol
Ipadeola, Adewale K.; Abdelgawad, Ahmed; Salah, Belal; Abdullah, Aboubakr M.; Eid, Kamel ( American Chemical Society (ACS) , 2023 , Article)The interfacial engineering of Pd-based alloys (i.e., PdM with distinct morphologies, compositions, and strain defects) is an efficient way for enhanced catalytic activity; however, it remains a grand challenge to fabricate ... -
Linear dynamics modelling of droplet deformation in a pulsatile electric field
Vivacqua, Vincenzino; Ghadiri, Mojtaba; Abdullah, Aboubakr M.; Hassanpour, Ali; Al-Marri, Mohammed J.; Azzopardi, Barry; Hewakandamby, Buddhika; Kermani, Bijan... more authors ... less authors ( Institution of Chemical Engineers , 2016 , Article)A linear dynamic model of water droplet deformation in the presence of an electric field has been developed. Analytical solutions of the differential equation of motion are provided with different waveforms as forcing ... -
Local supersaturation and the growth of protective scales during CO2 corrosion of steel: Effect of pH and solution flow
Sk, Mobbassar Hassan; Abdullah, Aboubakr M.; Ko, Monika; Ingham, Bridget; Laycock, Nick; Arul, Rakesh; Williams, David. E.... more authors ... less authors ( Elsevier Ltd , 2017 , Article)By correlating in-situ synchrotron X-ray diffraction measurements with electrochemical measurements using a rotating disc electrode, we demonstrate the critical dependence on the local supersaturation of the kinetics of ... -
Low Platinum-Loaded Molybdenum Co-catalyst for the Hydrogen Evolution Reaction in Alkaline and Acidic Media
Malali, Praveen; Muchharla, Baleeswaraiah; Sadasivuni, Kishor Kumar; Cao, Wei; Elsayed-Ali, Hani E.; Adedeji, Adetayo; Karoui, Abdennaceur; Abdullah, Aboubakr M.; Spurgeon, Joshua M.; Kumar, Bijandra... more authors ... less authors ( American Chemical Society , 2022 , Article)Developing an efficient catalytic system for electrolysis with reduced platinum (Pt) loading while maintaining performance comparable to bulk platinum metal is important to decrease costs and improve scalability of the ... -
Metal-organic framework-derived hierarchical porous N/Co-doped carbon-supported sponge-like Pd-SnO2 nanostructures for low-temperature CO oxidation
Ipadeola, Adewale K.; Gamal, Ahmed; Salah, Belal; Ibrahim, Yassmin; Abdullah, Aboubakr M.; Haruna, Aderemi B.; Ozoemena, Kenneth I.; Eid, Kamel... more authors ... less authors ( Royal Society of Chemistry , 2024 , Article)Metal-organic framework-derived porous N/Co-doped carbon (MOF-PNC) nanostructures-supported metal nanoparticles (NPs) are of great importance in multidisciplinary catalytic reactions; however, their catalytic performance ... -
Microbiologically-influenced corrosion of the electroless-deposited NiP-TiNi – Coating
Eman M., Fayyad; Rasheed, P. Abdul; Al-Qahtani, Noora; Abdullah, Aboubakr M.; Hamdy, Fatma; Sharaf, Mohammed A.; Hassan, Mohammad K.; Mahmoud, Khaled A.; Mohamed, Adel M.; Jarjoura, George; Farhat, Zoheir... more authors ... less authors ( Elsevier B.V. , 2021 , Article)In this study, we reveal the microbiologically influenced corrosion (MIC) behavior of the new electroless NiP-TiNi nanocomposite coating in simulated seawater using the electrochemical impedance spectroscopy (EIS) technique ... -
Multilevel Self-Healing Characteristics of Smart Polymeric Composite Coatings
Hassanein, Amani; Khan, Adnan; Fayyad, Eman; Abdullah, Aboubakr M.; Kahraman, Ramazan; Mansoor, Bilal; Shakoor, R. A.... more authors ... less authors ( American Chemical Society , 2021 , Article)Smart polymeric composite coatings demonstrating multilevel self-healing characteristics were developed and characterized. The pH-responsive smart carriers were synthesized by loading halloysite nanotubes (HNTs) with the ... -
Nanoscale studies of the early stages of scale formation in sour environments
Al-Qahtani, Noora; Qi, Jiahui; Abdullah, Aboubakr M.; Laycock, Nicholas J.; Ryan, Mary P. ( one petro , 2018 , Article)The corrosion of carbon steel in environments containing hydrogen sulfide (H2S) is a critical issue to the oil and gas industry. Although considerable research efforts have been carried out, there is not yet a complete ... -
New anti-corrosion inhibitor (3ar,6ar)-3a,6a-di-p-tolyltetrahydroimidazo[4,5-d]imidazole-2,5(1 h,3h)-dithione for carbon steel in 1 M HCl medium: gravimetric, electrochemical, surface and quantum chemical analyses
Berdimurodov, Elyor; Kholikov, Abduvali; Akbarov, Khamdam; Xu, Guobao; Abdullah, Aboubakr M.; Hosseini, Morteza... more authors ... less authors ( Elsevier B.V. , 2020 , Article)The inhibition of (3ar,6ar)-3a,6a-di-p-tolyltetrahydroimidazo[4,5-d]imidazole-2,5(1 h,3h)-dithione (TTHIIDT) for carbon steel was full characterized in a 1 M hydrochloride acid environment at various inhibitor concentrations ... -
Nonenzymatic nitrogen-doped carbon nanofber-supported NiOx glucose sensor
Elsayed, Khaled A.; Elzatahry, Ahmed A.; Nasser, Ruqaiah; Khalil, K. A.; Kayed, Tarek S.; Abdullah, Aboubakr M.... more authors ... less authors ( M Y U Scientific Publishing Division , 2017 , Article)The glucose electrooxidation reaction at NiOx nanoparticles loaded on a nitrogen-doped carbon nanofber (N-CNF)-modifed glassy carbon electrode (NiOx@N-CNF/GCE) in an alkaline medium was studied. The N-CNF was produced by ... -
Pd nanocrystals encapsulated in MOF-derived Ni/N-doped hollow carbon nanosheets for efficient thermal CO oxidation: unveiling the effect of porosity
Ipadeola, Adewale K.; Gamal, Ahmed; Abdullah, Aboubakr M.; Haruna, Aderemi B.; Ozoemena, Kenneth I.; Eid, Kamel... more authors ... less authors ( Royal Society of Chemistry , 2023 , Article)Rational synthesis of Ni-metal-organic-framework (MOF)-derived hollow N-doped carbon (Ni-MOF-HNC) nanostructures has garnered great attention in various catalytic reactions due to their outstanding catalytic and physicochemical ... -
Pd-Nanoparticles Embedded Metal-Organic Framework-Derived Hierarchical Porous Carbon Nanosheets as Efficient Electrocatalysts for Carbon Monoxide Oxidation in Different Electrolytes
Ipadeola, Adewale K.; Eid, Kamel; Abdullah, Aboubakr M.; Ozoemena, Kenneth I. ( American Chemical Society , 2022 , Article)Rational synthesis of Co-ZIF-67 metal-organic framework (MOF)-derived carbon-supported metal nanoparticles is essential for various energy and environmental applications; however, their catalytic activity toward carbon ...