Search Results - "Abdelhafiz, Ali"

Carbothermal Shock Synthesis of High Entropy Oxide Catalysts: Dynamic Structural and Chemical Reconstruction Boosting the Catalytic Activity and Stability toward Oxygen Evolution Reaction by Abdelhafiz, Ali, Wang, Baoming, Harutyunyan, Avetik R., Li, Ju

“…Mixed transition‐metals (TM) based catalysts have shown huge promise for water splitting. Conventional synthesis of nanomaterials is strongly constrained by…”
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A self-healing layered GeP anode for high-performance Li-ion batteries enabled by low formation energy by Li, Wenwu, Li, Xinwei, Yu, Jiale, Liao, Jun, Zhao, Bote, Huang, Liang, Ali Abdelhafiz, Zhang, Haiyan, Wang, Jeng‐Han, Guo, Zaiping, Liu, Meilin

“…Ge is considered a promising anode candidate for Li-ion batteries (LIBs); however, its practical applicability is hindered by the relatively slow Li-ion…”
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Atomic Structure and Dynamics of Epitaxial Platinum Bilayers on Graphene by Robertson, Alex W, Lee, Gun-Do, Lee, Sungwoo, Buntin, Parker, Drexler, Matthew, Abdelhafiz, Ali A, Yoon, Euijoon, Warner, Jamie H, Alamgir, Faisal M

“…Platinum atomic layers grown on graphene were investigated by atomic resolution transmission electron microscopy (TEM). These TEM images reveal the epitaxial…”
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Pulsed Light Synthesis of High Entropy Nanocatalysts with Enhanced Catalytic Activity and Prolonged Stability for Oxygen Evolution Reaction by Abdelhafiz, Ali, Tanvir, A. N. M., Zeng, Minxiang, Wang, Baoming, Ren, Zhichu, Harutyunyan, Avetik R., Zhang, Yanliang, Li, Ju

“…The ability to synthesize compositionally complex nanostructures rapidly is a key to high‐throughput functional materials discovery. In addition to being…”
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Catalysis Sans Catalyst Loss: The Origins of Prolonged Stability of Graphene–Metal–Graphene Sandwich Architecture for Oxygen Reduction Reactions by Abdelhafiz, Ali, Choi, Ji Il, Zhao, Bote, Cho, Jinwon, Ding, Yong, Soule, Luke, Jang, Seung Soon, Liu, Meilin, Alamgir, Faisal M.

“…Over the past decades, the design of active catalysts has been the subject of intense research efforts. However, there has been significantly less deliberate…”
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Carbon nanotubes decorated with Pt as a viable electrocatalyst system using electrochemical atomic layer deposition by Drexler, Matthew, Abdelhafiz, Ali, Howe, Jane, Eres, Gyula, Alamgir, Faisal

“…Surface limited redox replacement (SLRR) is an electrochemical deposition method designed to deposit metal thin films, typically onto other metals, that are…”
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De-alloyed ternary electrocatalysts with high activity and stability for oxygen reduction reaction by Xiao, Zhuojie, Jiang, Yangcheng, Wu, Hao, Zhong, Huichi, Song, Huiyu, Abdelhafiz, Ali, Zeng, Jianhuang

“…•A facile polyol route to synthesize PtCuFe ternary catalysts for ORR.•Electrochemical dealloying led to Pt-enriched shell structure.•De-alloyed Pt2CuFe/C…”
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Cu@Pt catalysts prepared by galvanic replacement of polyhedral copper nanoparticles for polymer electrolyte membrane fuel cells by Wu, Meixia, Wu, Xin, Zhang, Lei, Abdelhafiz, Ali, Chang, Ikwhang, Qu, Chong, Jiang, Yangcheng, Zeng, Jianhuang, Alamgir, Faisal

“…Polyhedral copper nanoparticles are prepared by a hydrothermal method, followed by galvanic replacement with platinum precursor in ethylene glycol to prepare…”
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Surfactant-free room temperature synthesis of PdxPty/C assisted by ultra-sonication as highly active and stable catalysts for formic acid oxidation by Song, Jili, Xiao, Zhuojie, Jiang, Yangcheng, Abdelhafiz, Ali Ahmed, Chang, Ikwhang, Zeng, Jianhuang

“…Formic acid oxidation is usually catalyzed on PdPt bimetallic catalysts, which are synthesized by co-reduction of noble metal precursors in the presence of…”
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Facile Room-Temperature Synthesis of a Highly Active and Robust Single-Crystal Pt Multipod Catalyst for Oxygen Reduction Reaction by Abdelhafiz, Ali, Zhao, Bote, Xiao, Zhuojie, Zeng, Jianhuang, Deng, Xiang, Lang, Leiming, Ding, Yong, Song, Huiyu, Liu, Meilin

“…Economical production of highly active and robust Pt catalysts on a large scale is vital to the broad commercialization of polymer electrolyte membrane fuel…”
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Sandwiched Graphene Interdiffusion Barrier for Preserving Au@Pt Atomically Thin Core@Shell Structure and the Resulting Oxygen Reduction Reaction Catalytic Activity by Vitale, Adam, Murad, Hind, Abdelhafiz, Ali, Buntin, Parker, Alamgir, Faisal M

“…The concept of a core–shell metallic structures, with a few atomic layers of the “shell” metal delineated from the “core” metal with atomic sharpness opens the…”
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Exceptional long-term stability of titanium oxynitride nanoparticles as non-carbon-based electrodes for aerated saline water capacitive deionization by Taha, Manar M., Ramadan, Mohamed, Abdelhafiz, Ali, Nassar, Mostafa Y., Ahmed, Shreen S., Khalil, Mostafa M.H., Allam, Nageh K.

“…Carbon-based capacitive deionization (CDI) electrodes suffer from long-lasting stability challenges due to sets of parasitic side reactions, including the high…”
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Pt/graphene with intercalated carbon nanotube spacers introduced by electrostatic self-assembly for fuel cells by Liu, Zhen, Abdelhafiz, Ali Ahmed, Jiang, Yangcheng, Qu, Chong, Chang, Ikwhang, Zeng, Jianhuang, Liao, Shijun, Alamgir, Faisal M.

“…Although graphene exhibits an appealing array of properties that are ideally suited to their use as catalyst supports for fuel cells, they suffer from a…”
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Contiguous and Atomically Thin Pt Film with Supra‐Bulk Behavior Through Graphene‐Imposed Epitaxy by Choi, Ji Il, Abdelhafiz, Ali, Buntin, Parker, Vitale, Adam, Robertson, Alex W., Warner, Jamie, Jang, Seung Soon, Alamgir, Faisal M.

“…The nature of the atomic configuration and the bonding within epitaxial Pt‐graphene films is investigated. Graphene‐templated monolayer/few‐multilayers of Pt,…”
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Tri‐Metallic Catalyst for Oxygen Evolution Reaction Enables Continuous Operation of Anion Exchange Membrane Electrolyzer at 1A cm−2 for Hundreds of Hours by Abdelhafiz, Ali, Mohammed, Mona H., Abed, Jehad, Lee, Dong‐Chan, Chen, Mengjie, Helal, Ahmed S., Ren, Zhichu, Alamgir, Faisal, Sargent, Edward, Kohl, Paul A., Elsaidi, Sameh K., Li, Ju

“…Although numerous efforts are made to synthesize active electrocatalysts for green hydrogen production; catalyst stability, and facile synthesis to scale up…”
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Mono-disperse PdO nanoparticles prepared via microwave-assisted thermo-hydrolyzation with unexpectedly high activity for formic acid oxidation by Li, Zuopeng, Song, Jili, Lee, Dong-Chan, Abdelhafiz, Ali, Xiao, Zhuojie, Hou, Zhaohui, Liao, Shijun, DeGlee, Ben, Liu, Meilin, Zeng, Jianhuang, Alamgir, Faisal M.

“…Without the backing of systematic comparative studies, it is generally accepted by the fuel cell community that Pd nanoparticles are superior to their Pd oxide…”
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Layer-by-Layer Evolution of Structure, Strain, and Activity for the Oxygen Evolution Reaction in Graphene-Templated Pt Monolayers by Abdelhafiz, Ali, Vitale, Adam, Joiner, Corey, Vogel, Eric, Alamgir, Faisal M

“…In this study, we explore the dimensional aspect of structure-driven surface properties of metal monolayers grown on a graphene/Au template. Here, surface…”
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Niobium–Zirconium Oxynitride Nanotube Arrays for Photoelectrochemical Water Splitting by Salem, Kholoud E, Mokhtar, Abdelrahman M, Abdelhafiz, Ali, Allam, Nageh K

“…We report on the first fabrication of vertically oriented niobium–zirconium oxynitride nanotube arrays and their use as an attractive and robust material for…”
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Salivary progesterone and cervical length measurement as predictors of spontaneous preterm birth by Maged, Ahmed M., Mohesen, Mohamed, Elhalwagy, Ahmed, Abdelhafiz, Ali

“…Objective: To evaluate the efficacy of salivary progesterone, cervical length measurement in predicting preterm birth (PTB). Methods: Prospective observational…”
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Life threatening angioedema in a patient on ACE inhibitor (ACEI) confined to the upper airway by Tharayil, Abdulgafoor Muslim, Chanda, Arshad Hussain, Shiekh, Hakim Ahmad, Elkhatib, Mohamed Saad, Nayeemuddin, Mohammed, Alshamandy, Abdelhafiz Ali Ahmed

“…ACE inhibitors accounts for 8% of all cases of angioneurotic edema and the overall incidence is 0.1 to 0.7% of patients on ACE inhibitors. It is a leading…”
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