Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Hafsa H. Alalawy"'
Autor:
Ahmad M. Mohammad, Bilquis Ali Al-Qodami, Islam M. Al-Akraa, Nageh K. Allam, Hafsa H. Alalawy
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract Platinum-based catalysts that have long been used as the anodes for the formic acid electro-oxidation (FAO) in the direct formic acid fuel cells (DFAFCs) were susceptible to retrogradation in performance due to CO poisoning that impaired the
Externí odkaz:
https://doaj.org/article/2cc84c25d26943189debd8739196ef2c
Autor:
Sobhi M. Gomha, Hoda A. Ahmed, Mohamed Shaban, Tariq Z. Abolibda, Khalid Abdulaziz Alharbi, Hafsa H. Alalawy
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
Abstract New conical-shaped geometrical supramolecular H-bonded liquid crystal complexes were formed through 1:2 intermolecular interactions of H-bonding between flexible core (adipic acid, A) and lateral chloro-substituted azopyridines (Bn). The cha
Externí odkaz:
https://doaj.org/article/9f0a54548d6f47e8b3e2cbfae6c9923d
Autor:
Laila A. Al-Mutabagani, Latifah A. Alshabanah, Hoda A. Ahmed, Hafsa H. Alalawy, Mayada H. Al alwani
Publikováno v:
Molecules, Vol 26, Iss 7, p 2038 (2021)
Homolog series based on three aromatic rings bearing terminal alkoxy chain of various lengths named 4-(4-(alkoxy)phenylimino)methyl)phenyl nicotinate (An) were synthesized. The alkoxy-chain length changed between 6, 8 and 16 carbons. Mesomorphic and
Externí odkaz:
https://doaj.org/article/6865ae1309944a6a8f9603d9e3fad340
Autor:
Mohamed E. Ghaith, Muhammad G. Abd El-Moghny, Gumaa A. El-Nagar, Hafsa H. Alalawy, Mohamed E. El-Shakre, Mohamed S. El-Deab
Publikováno v:
RSC Advances. 13:895-905
3D-carbon felt is decorated with electrodeposited binary Ni–Cu nano dendrites. Ni (deposited sequentially) covers homogeneously the dendritic Cu surface and the NiCu@CF electrode, deposited sequentially, showed the best glycerol electrooxidation ac
Autor:
Mohamed E. Ghaith, Muhammad G. Abd El-Moghny, Hafsa H. Alalawy, Mohamed E. El-Shakre, Mohamed S. El-Deab
Publikováno v:
RSC Advances. 13:10893-10902
The addition of glycerol to the deposition bath of Ni enhances its electrocatalytic activity and stability towards glycerol oxidation.
Autor:
Sayed Youssef Sayed, Islam M. Al-Akraa, Ahmad M. Mohammad, Nageh K. Allam, Bilquis Ali Al-Qodami, Hafsa H. Alalawy
Publikováno v:
International Journal of Hydrogen Energy. 47:264-275
A peerless inexpensive electrochemical engineering of spherical Pt nanoparticles (nano-Pt: ca. 100 nm in average diameter) was achieved with intersected ferric oxyhydroxide nanotubes (α-FeOOH (goethite): ca. 20 nm in average diameter). The FeOOH@Pt
Autor:
Bilquis Ali Al-Qodami, Hafsa H. Alalawy, Sayed Youssef Sayed, Islam M. Al-Akraa, Nageh K. Allam, Ahmad M. Mohammad
Publikováno v:
RSC Advances. 12:20395-20402
A FeOx/NiOx/Pt catalyst was recommended for formic acid electro-oxidation; the essential anodic reaction in direct formic acid fuel cells.
Autor:
Mohamed Shaban, Khalid Alharbi, Sobhi M. Gomha, Hoda A. Ahmed, Tariq Z. Abolibda, Hafsa H. Alalawy
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
Scientific Reports
Scientific Reports
New conical-shaped geometrical supramolecular H-bonded liquid crystal complexes were formed through 1:2 intermolecular interactions of H-bonding between flexible core (adipic acid, A) and lateral chloro-substituted azopyridines (Bn). The chains of th
Autor:
Mohamed E. Ghaith, Muhammad G. Abd El-Moghny, Gumaa A. El-Nagar, Hafsa H. Alalawy, Mohamed E. El-Shakre, Mohamed S. El-Deab
Publikováno v:
Electrochimica Acta. 452:142325
Publikováno v:
Liquid Crystals. 48:1493-1504
Homologous series of nematogenic azomethine liquid crystals bearing different terminal alkoxy-chain lengths, 4-(cinnamolyloxy)benzylidene-4��-n-alkoxyanilines (In), were synthesised and investigated via practical and theoretical tools. Differenti