Browsing by Author "Al-Qaradawi, Siham Y."
Now showing items 1-13 of 13
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Applications of Heterogeneous Catalysts in Green Chemistry
Kumar, Anand; Saad, Mohammed Ali H.S.; Al-Qaradawi, Siham Y. (2024 , Other)In our day-to-day lives, the utilization of industrial products, including chemicals and fuels, is essential. The vast majority of these products are manufactured in chemical plants that transform raw materials into products ... -
Carbon-supported catalysts for carbon dioxide methanation: A review
Gamal, Ahmed; Jlassi, Khouloud; Ahmad, Yahia H.; Tang, Mengqi; Al-Qaradawi, Siham Y.; ... more authors ( Elsevier , 2024 , Article Review)Carbon-based materials have attracted significant attention in various catalytic applications. However, they are rarely reported for high-temperature catalytic reactions, owing to their limited thermal stability compared ... -
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 ... -
Corrigendum to "Investigations into structure-property relationships of novel Ru(II) dyes with N,N'-Diethyl group in ancillary ligand for dye-sensitized solar cells" [Dyes Pigments 171(2019) 107754-107762](S0143720819314639)(10.1016/j.dyepig.2019.107754)
Ashraf, Saba; Su, Rui; Akhtar, Javeed; Siddiqi, Humaira M.; Shuja, Ahmed; ... more authors ( Elsevier , 2020 , Article)The authors regret the typos in the author names and affiliations. The authors would like to apologize for any inconvenience caused. Correction: The correct author names and affiliations should read as follows: Saba ... -
Facile one-step synthesis of supportless porous AuPtPd nanocrystals as high performance electrocatalyst for glucose oxidation reaction
Ahmad, Yahia H.; Mohamed, Assem T.; El-Shafei, Ahmed; Al-Qaradawi, Siham Y.; Aljaber, Amina S. ( Elsevier , 2020 , Article)Direct glucose fuel cells (DGFCs) received great interest due to non-toxicity, low cost, and renewability. Herein, we demonstrated the synthesis of novel porous AuPtPd nanocrystals (NCs) via plausible one-pot synthesis ... -
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 ... -
Highly porous PtPd nanoclusters synthesized via selective chemical etching as efficient catalyst for ethanol electro-oxidation
Ahmad, Yahia H.; Mohamed, Assem T.; Alashraf, Abdullah; Matalqeh, Maha; El-Shafei, Ahmed; ... more authors ( Elsevier , 2020 , Article)Direct ethanol fuel cells (DEFCs) have received great interest owing to their high power density and environmental friendness. Nevertheless, the designing of active, durable, and efficient anode for DEFCs is a profound ... -
Impact of trace noble metals on the catalytic performance of LaNiMgO towards methane dry reforming
Mohamed, Assem T.; Kumar, Anand; Zekri, Atef; Abotaleb, Ahmed; Sinopoli, Alessandro; ... more authors ( Elsevier , 2024 , Article)CO2 reforming of methane was investigated using trace noble metal anchored MgO-promoted Ni/La2O3 catalyst (LaNiMgO-X), where X = Ir, Pt, Ru, Pd, and Rh. The incorporation of noble metals enhanced Ni dispersion on the support ... -
Nuclear magnetic resonance spectroscopy: A comprehensive tool for analyzing liquid products in electrochemical CO2 reduction
Aymen S., Abu Hatab; Ahmad, Yahia H.; Mady, Mohamed F.; Hassan, Yasser; Zkria, Abdelrahman; ... more authors ( Elsevier , 2025 , Article)The electrochemical reduction of carbon dioxide (eCO2RR) has become a very promising pathway that can be used in the transformation of CO2 to important chemical products and, thus, is one of the mitigations of climate ... -
Photoelectrocatalytic hydrogen production on ternary Co-Pi/Ag/TiON nanotube array photocatalysts
Soliman, Khaled A.; Mohamed, Assem T.; Aljaber, Amina S.; AlQaradawi, Siham Y.; Allam, Nageh K. ( John Wiley and Sons Ltd , 2021 , Article)Ternary Co-Pi-Ag/TiON photocatalysts were designed and fabricated by a facile precipitation and electrochemical strategy. The results showed the superiority of the Co-Pi-Ag/TiON as a promising photoanode for photoelectrochemical ... -
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 ... -
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; ... more 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 ... -
Tailoring the reducibility and catalytic activity of CuO nanoparticles for low temperature CO oxidation
Zedan, Abdallah F.; Mohamed, Assem T.; El-Shall, M. Samy; AlQaradawi, Siham Y.; AlJaber, Amina S. ( Royal Society of Chemistry , 2018 , Article)Copper oxide (CuO) nanoparticles have received considerable interest as active and inexpensive catalysts for various gas–solid reactions. The CuO reducibility and surface reactivity are of crucial importance for the high ...





