Browsing by Author "Ahmad, Yahia H."
Now showing items 1-15 of 15
-
An efficient eco advanced oxidation process for phenol mineralization using a 2D/3D nanocomposite photocatalyst and visible light irradiations
Al-Kandari, H.; Abdullah, A. M.; Ahmad, Yahia H.; Al-Kandari, S.; Alqaradawi, Siham Y.; Mohamed, A.M.... more authors ... less authors ( Nature Publishing Group , 2017 , Article)Nanocomposites (CNTi) with different mass ratios of carbon nitride (C3N4) and TiO2 nanoparticles were prepared hydrothermally. Different characterization techniques were used including X-ray diffraction (XRD), UV-Vis diffuse ... -
Controlled design of PtPd nanodendrite ornamented niobium oxynitride nanosheets for solar-driven water splitting
Ahmad, Yahia H.; Eid, Kamel; Mahmoud, Khaled A.; Al-Qaradawi, Siham Y. ( Royal Society of Chemistry , 2018 , Article)Developing efficient photocatalysts for the water splitting reaction is crucial in a fuel cell reaction. Herein, we present a facile road-map for one-pot fabrication of PtPd nanodendrite (ND) ornamented niobium oxynitride ... -
Design of Ni/La2O3 catalysts for dry reforming of methane: Understanding the impact of synthesis methods
Ahmad, Yahia H.; Mohamed, Assem T.; El-Sayed, Hany A.; Kumar, Anand; Al-Qaradawi, Siham Y. ( Elsevier Ltd , 2021 , Article)Fine-tuning of materials properties, particularly the catalytic properties, through innovative synthesis procedures has gained an increased research interest in the last decades. It is well known that synthesis procedures ... -
Electrodeposition of 70-30 Cu-Ni nanocomposite coatings for enhanced mechanical and corrosion properties
Thurber, Casey R.; Ahmad, Yahia H.; Sanders, Stephen F.; Al-Shenawa, Amaal; D'Souza, Nandika; Mohamed, Adel M.A.; Golden, Teresa D.... more authors ... less authors ( Elsevier , 2016 , Article)A copper-nickel alloy (70:30 ratio) was electrochemically deposited and compared to a composite coating incorporating layered silicate platelets to obtain copper-nickel-montmorillonite (MMT). The composite coatings were ... -
Electrodeposition of nanocrystalline Ni-Mo alloys from alkaline glycinate solutions
Ahmad, Yahia H.; Mohamed, A.M.A.; Golden, Teresa D.; D'Souza, Nandika ( Electrochemical Science Group , 2014 , Article)The induced electrodeposition of nanocrystalline Ni-Mo alloys was investigated using two different molar ratios of Ni:Mo in sodium glycinate solution at pH 9.3. The chemical nature of the Ni2+ and MoO4 2- in alkaline ... -
Electrodeposition of nanostructured Nickel-Ceramic composite coatings: A review
Ahmad, Yahia H.; Mohamed, Adel M.A. ( Electrochemical Science Group , 2014 , Article)This review presents a recent literature on electrochemically prepared nickel-ceramic nanocomposites coatings. These nanostructured coatings exhibit remarkable enhanced corrosion resistance and microhardness which are of ... -
Highly active, durable and pH-universal hybrid oxide nanocrystals for efficient oxygen evolution
Ahmad, Yahia H.; Eid, Kamel A.; AlQaradawi, Siham Y.; Allam, Nageh K. ( Royal Society of Chemistry , 2017 , Article)The development of an active, durable, and low-cost catalyst remains hitherto a grand challenge in energy conversion technologies. Herein, hybrid Ptx-NiMnO3 nanocrystals (NCs) (x = 0.1, 0.5, and 1.0 mM) were synthesized ... -
Microwave-Assisted Solvothermal Synthesis of Mo-Doped TiO2 with Exceptional Textural Properties and Superior Adsorption Kinetics
Ahmad, Yahia H.; Abu Hatab, Aymen S.; Mohamed, Assem T.; Al-Kuwari, Mohammed S.; Aljaber, Amina S.; Al-Qaradawi, Siham Y.... more authors ... less authors ( MDPI , 2022 , Article)Assigned to their outstanding physicochemical properties, TiO2-based materials have been studied in various applications. Herein, TiO2 doped with different Mo contents (Mo-TiO2) was synthesized via a microwave-assisted ... -
Natural clay-supported palladium catalysts for methane oxidation reaction: Effect of alloying
Ahmad, Yahia H.; Mohamed, Assem T.; Mahmoud, Khaled A.; Aljaber, Amina S.; Al-Qaradawi, Siham Y. ( Royal Society of Chemistry , 2019 , Article)The catalytic combustion of methane (CCM) has been extensively studied owing to the wide use of methane in motor vehicles and power generation turbines. However, the absence of polarizability and the high C-H bond strength ... -
Rational design of porous binary Pt-based nanodendrites as efficient catalysts for direct glucose fuel cells over a wide pH range
Eid, Kamel; Ahmad, Yahia H.; AlQaradawi, Siham Y.; Allam, Nageh K. ( Royal Society of Chemistry , 2017 , Article)The development of porous bi-metallic Pt-based nanocrystals (NCs) as efficient catalysts for the glucose oxidation reaction (GOR) over a wide pH range is still a grand challenge. Triggered by this challenge, we report the ... -
Rational one-step synthesis of porous PtPdRu nanodendrites for ethanol oxidation reaction with a superior tolerance for CO-poisoning
Eid, Kamel; Ahmad, Yahia H.; Yu, Hongjie; Li, Yinghao; Li, Xiaonian; AlQaradawi, Siham Y.; Wang, Hongjing; Wang, Liang... more authors ... less authors ( Royal Society of Chemistry , 2017 , Article)Precise fabrication of porous ternary Pt-based nanodendrites is very important for electrochemical energy conversion owing to high surface area and great molecular accessibility of these nanodendrites. Herein, PtPdRu porous ... -
Salt water corrosion resistance of electrodeposited Ni-layered silicate nanocomposite coatings from Watts' type solution
Ahmad, Yahia H.; Tientong, Jeerapan; D'Souza, Nandika; Golden, Teresa D.; Mohamed, Adel M.A. ( Elsevier B.V. , 2014 , Article)Pure nickel and nickel-montmorillonite (Ni-MMT) composite coatings were produced using pulse current electrodeposition from Watts' type solution. Experimental results show that the codeposition of MMT particles into the ... -
Solution combustion synthesis of Ni-based hybrid metal oxides for oxygen evolution reaction in alkaline medium
Abu Hatab, Aymen S; Ahmad, Yahia H; Abdul Rahman, Mohd B; Al-Qaradawi, Siham Y ( The Royal Society of Chemistry , 2022 , Article)Oxygen evolution reaction (OER) has arisen as an outstanding technology for energy generation, conversion, and storage. Herein, we investigated the synthesis of nickel-based hybrid metal oxides (NixM1−xOy) and their catalytic ... -
Solution combustion synthesis of Ni/La2O3for dry reforming of methane: Tuning the basicity via alkali and alkaline earth metal oxide promoters
Ahmad, Yahia H.; Mohamed, Assem T.; Kumar, Anand; Al-Qaradawi, Siham Y. ( Royal Society of Chemistry , 2021 , Article)The production of syngas via dry reforming of methane (DRM) has drawn tremendous research interest, ascribed to its remarkable economic and environmental impacts. Herein, we report the synthesis of K, Na, Cs, Li, and ... -
Tailoring the deposition of MoSe2 on TiO2 nanorods arrays via radiofrequency magnetron sputtering for enhanced photoelectrochemical water splitting
Ahmad, Yahia H.; Kamand, Fadi Z.; Zekri, Atef; Chae, Kyu-Jung; Aïssa, Brahim; Al-Qaradawi, Siham Y.... more authors ... less authors ( Elsevier , 2023 , Article)MoSe2/1 D TiO2 nanorods (NRs) heterojunction assembly was systematically fabricated, and its photoelectrocatalytic properties were investigated. The fabrication process involves the growth of 1D TiO2 NRs arrays on FTO ...