تصفح حسب المؤلف "Ahmad Y.H."
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Bimetallic palladium-supported halloysite nanotubes for low temperature CO oxidation: Experimental and DFT insights
Ahmad Y.H.; Mohamed A.T.; Hassan W.M.I.; Soliman A.; Mahmoud K.A.; Aljaber A.S.; Al-Qaradawi S.Y.... more authors ... less authors ( Elsevier B.V. , 2019 , Article)The design and fabrication of novel metal-supported catalysts for energy conversion and heterogeneous catalysis is a pivotal theme. Herein, we present the synthesis of bimetallic palladium nanoalloys supported on halloysite ... -
Enhanced photocatalytic performance of WON@porous TiO2 nanofibers towards sunlight-assisted degradation of organic contaminants
Ahmad Y.H.; Mohamed A.T.; Sliem M.H.; Abdullah A.M.; Al-Qaradawi S.Y. ( Royal Society of Chemistry , 2018 , Article)In the last few decades, TiO2 has been widely used in different types of photocatalytic applications. However, the relatively large optical band gap (∼3.2 eV), low charge carrier mobility and consequently its low quantum ... -
Impact of CNTs' treatment, length and weight fraction on ordinary concrete mechanical properties
Ahmad Y.H.; El-Sayed H.A.; Mohamed A.T.; Aljaber A.S.; Al-Qaradawi S.Y.This study investigates the effect of the treatment, length and weight fraction parameters of multi-wall carbon nanotubes (MWCNT) on the mechanical properties of concrete. Mixes with various CNTs’ amounts ranging between ... -
Improved mechanical and corrosion properties of nickel composite coatings by incorporation of layered silicates
Tientong, J.; Ahmad, Y.H.; Nar, M.; D'Souza, N.; Mohamed, A.M.A.; Golden, T.D.... more authors ... less authors ( Elsevier B.V. , 2014 , Article)Layered silicates as exfoliated montmorillonite are incorporated into nickel films by electrodeposition, enhancing both corrosion resistance and hardness. Films were deposited onto stainless steel from a plating solution ... -
Rational one-pot synthesis of ternary PtIrCu nanocrystals as robust electrocatalyst for methanol oxidation reaction
Ahmad Y.H.; El-Sayed H.A.; Mohamed A.T.; Aljaber A.S.; Al-Qaradawi S.Y. ( Elsevier B.V. , 2020 , Article)Development of self-assembled nanoarchitectures of tailored morphology and composition for diversified applications have received great interest in the last decades. Pt-based nanocrystals (NCs) exhibited enhanced catalytic ... -
Rational synthesis of ternary PtIrNi nanocrystals with enhanced poisoning tolerance for electrochemical ethanol oxidation
Ahmad Y.H.; Mohamed A.T.; Youssef K.M.; Kundu S.; Mkhoyan K.A.; Al-Qaradawi S.Y.... more authors ... less authors ( Elsevier Inc. , 2019 , Article)The development of highly efficient and durable anode materials for ethanol electro-oxidation remains a challenge. Herein, we report the synthesis of Pt1−x−yIrxNiy nanocrystals via one-step procedure by ultrasonic-assisted ... -
Versatile synthesis of Pd and Cu Co-doped porous carbon nitride nanowires for catalytic CO oxidation reaction
Eid, Kamel; Ahmad, Yahia H.; Mohamed, Assem T.; Elsafy, Anas G.; Al-Qaradawi, Siham Y. ( MDPI AG , 2018 , Article)Developing efficient catalyst for CO oxidation at low-temperature is crucial in various industrial and environmental remediation applications. Herein, we present a versatile approach for controlled synthesis of carbon ...