Search Results - "Hamza, A.M."

Physical properties, ligand field and Judd-Ofelt intensity parameters of bio-silicate borotellurite glass system doped with erbium oxide by Hamza, A.M., Halimah, M.K., Muhammad, F.D., Chan, K.T.

“…A glass series containing bio-silicate borotellurite (BSBT) doped with erbium oxide with composition of {[(TeO2)0.8 (B2O3)0.2]0.8 (SiO2)0.2}1-y (Er2O3)y,…”
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High performance of NiCo nanoparticles-doped carbon nanofibers as counter electrode for dye-sensitized solar cells by Motlak, Moaaed, Barakat, Nasser A.M., Akhtar, M. Shaheer, Hamza, A.M., Kim, Byoung-Suhk, Kim, Cheol Sang, Khalil, Khalil Abdelrazek, Almajid, Abdulhakim A.

“…NiCo nanoparticles(NPs)-doped carbon nanofibers were synthesized by calcination of electrospun nanofibers composed of nickel acetate, cobalt acetate and…”
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Carbon nanofibers doped by NixCo1−x alloy nanoparticles as effective and stable non precious electrocatalyst for methanol oxidation in alkaline media by Barakat, Nasser A.M., Motlak, Moaaed, Kim, Byoung-Suhk, El-Deen, Ahmed G., Al-Deyab, Salem S., Hamza, A.M.

“…•Ni-Co alloy NPs in CNFs are introduced as promised catalysts for methanol oxidation.•The introduced nanofibers reveal onset potential of 110mV.•The priority…”
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High-Efficiency Electrode Based on Nitrogen-Doped TiO2 Nanofibers for Dye-Sensitized Solar Cells by Motlak, Moaaed, Akhtar, M. Shaheer, Barakat, Nasser A.M., Hamza, A.M., Yang, O-Bong, Kim, Hak Yong

“…•Nitrogen-doped and pristine TiO2 nanofibers are introduced.•The introduced NFs can be effectively used as photoanode in DSSCs.•The introduced N-doped…”
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NiCu bimetallic nanoparticle-decorated graphene as novel and cost-effective counter electrode for dye-sensitized solar cells and electrocatalyst for methanol oxidation by Motlak, Moaaed, Barakat, Nasser A.M., El-Deen, Ahmed G., Hamza, A.M., Obaid, M., Yang, O.-Bong, Akhtar, M. Shaheer, Khalil, Khalil Abdelrazek

“…•NiCu bimetallic nanoparticles-decorated graphene are introduced by simple methods.•NiCu bimetallic-graphene can be effectively used as efficient and…”
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Influence of GO incorporation in TiO2 nanofibers on the electrode efficiency in dye-sensitized solar cells by Motlak, Moaaed, Barakat, Nasser A.M., Akhtar, M. Shaheer, Hamza, A.M., Yousef, Ayman, Fouad, H., Yang, O-Bong

“…Graphene oxide (GO)-incorporated TiO2 nanofibers was successfully synthesized via a simple and effective technique, electrospinning and applied as a working…”
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Structural, optical and thermal properties of Er3+-Ag codoped bio-silicate borotellurite glass by Hamza, A.M., Halimah, M.K., Muhammad, F.D., Chan, K.T., Usman, A., Faznny, M.F., Zaitizila, I., Tafida, R.A.

“…In this paper, thermal, structural and spectroscopic properties of Er3+-Ag+ codoped bio-silicate borotellurite [{[(TeO2)0.8 (B2O3)0.2]0.8 (SiO2)0.2}0.99…”
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Titanium-based polymeric electrospun nanofiber mats as a novel organic semiconductor by Barakat, Nasser A.M., Hamza, A.M., Al-Deyab, Salem S., Qurashi, Ahsanulhaq, Kim, Hak Yong

“…► Ti-based electrospun nanofibers are introduced as a novel organic semiconductor. ► Layer from the proposed nanofibers supported on silicon substrate behaves…”
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Optical characterization and polaron radius of Bi2O3 doped silica borotellurite glasses by Geidam, I.G., Matori, K.A., Halimah, M.K., Chan, K.T., Muhammad, F.D., Ishak, M., Umar, S.A., Hamza, A.M.

“…A system of silica borotellurite glasses containing bismuth oxide (Bi2O3) with empirical chemical relation [{(TeO2)0.7(B2O3)0.3}0.8(SiO2)0.2]1−x(Bi2O3)x (where…”
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Structural, optical and elastic properties of silver oxide incorporated zinc tellurite glass system doped with Sm3+ ions by Tafida, R.A., Halimah, M.K., Muhammad, F.D., Chan, K.T., Onimisi, M.Y., Usman, A., Hamza, A.M., Umar, S.A.

“…Zinc tellurite glasses in the form of [{(TeO2)0.7 (ZnO) 0.3}0.99 (Sm2O3)0.01]1-y (Ag2O) y, y = 0.005. 0.01, 0.015, 0.02 and 0.025 M fraction is prepared by the…”
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Cd-doped TiO2 nanofibers as effective working electrode for the dye sensitized solar cells by Motlak, Moaaed, Hamza, A.M., Hammed, Mohammed Gh, Barakat, Nasser A.M.

“…•Cd-doped TiO2 nanofibers are introduced as an effective photoanode for DSSC.•Cd doping resulted in duplication of the energy conversion efficiency.•The doping…”
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GPS amplitude and phase scintillation associated with polar cap auroral forms by Jayachandran, P.T., Hamza, A.M., Hosokawa, K., Mezaoui, H., Shiokawa, K.

“…Global Positioning System (GPS) signal amplitude and phase scintillation occurrence were observed in close association with polar cap auroral forms…”
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Characterization and identification of the key volatile and non-volatile substances of Vangueria madagascariensis J.F. Gmel fruits (Kirkir) and exploration of their binding interactions with olfactory and taste receptors using computational chemistry methodology by Tahir, Haroon Elrasheid, Hashim, Sulafa B.H., Arslan, Muhammad, Mahunu, Gustav Komla, Shishir, Mohammad Rezaul Islam, Zhihua, Li, Khan, Suliman, Mariod, Abdalbasit Adam, Abaker, Hamza A.M., Ibrahim, Howida Elkheir, El-Seedi, Hesham R., Xiaobo, Zou

“…Profiling of metabolites that contribute to the taste and odor of fruit products is important to produce the desired products. In this study, volatile and…”
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Study of rice husk silicate effects on the elastic, physical and structural properties of borotellurite glasses by Halimah, M.K., Umar, S.A., Chan, K.T., Latif, A.A., Azlan, M.N., Abubakar, A.I., Hamza, A.M.

“…Successful extraction of high purity SiO2 (about 99%) from rice husk (waste) was achieved in this work using the cold acid leaching method. Glass series…”
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Radiotherapy Utilization Rate in Pediatric Cancers: An Analysis of 13,305 patients by Zaghloul, M.S., Bishr, M.K., Elmaraghi, C., Galal, A., Abdelaziz, M.S., Elghazawy, H., Shaheen, H., Ramzy, E.S., Mesbah, A., Eissa, S.K., Hegazy, R., Hamza, A.M., Elkhateeb, N.

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Effect of erbium nanoparticles on structural and spectroscopic properties of bio-silica borotellurite glasses containing silver oxide by Halimah, M.K., Hamza, A.M., Muhammad, F.D., Chan, K.T., Umar, S.A., Umaru, I., Geidam, I.G.

“…Er3+ NPs doped bio-silica borotellurite glasses containing silver oxide were prepared using melt quenching techniques. The silica used was extracted from rice…”
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Thermo-physical and elastic properties of Bi2O3 doped silica borotellurite glasses by Geidam, I.G., Matori, K.A., Halimah, M.K., Chan, K.T., Muhammad, F.D., Ishak, M., Umar, S.A., Hamza, A.M.

“…Five different samples of bismuth silica borotellurite (BSBT) glasses with the empirical equation {[(TeO2)0.7 (B2O3)0.3]0.8 (RHA)0.2}1−x (Bi2O3)x was…”
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The plant flavonoid, fisetin alleviates cigarette smoke‐induced oxidative stress, and inflammation in Wistar rat lungs by Hussain, Tajamul, Al‐Attas, Omar S., Alamery, Salman, Ahmed, Mukhtar, Odeibat, Hamza A. M., Alrokayan, Salman

“…In the present study, we tested the antioxidant and anti‐inflammatory potential of the plant flavonoid, fisetin against cigarette smoke‐induced oxidative…”
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Oxide ion/electronic polarizability, optical basicity and linear dielectric susceptibility of TeO2 – B2O3 – SiO2 glasses by Umar, S.A., Halimah, M.K., Ibrahim, G.G., Alade, I.O., Azlan, M.N., El-Mallawany, R., Hamza, A.M., Nazrin, S.N., Grema, L.U., Otto, M.S.

“…A system of bio-silica borotellurite glasses was fabricated based on the chemical formula [(TeO2)0.7 (B2O3)0.3]1-x (SiO2)x with x = 0.1, 0.2, 0.3, and 0.4…”
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Optical and structural properties of rice husk silicate incorporated borotellurite glasses doped with erbium oxide nanoparticles by Umar, S. A., Halimah, M. K., Chan, K. T., Amirah, A. A., Azlan, M. N., Grema, L. U., Hamza, A. M., Ibrahim, G. G.

“…A system of erbium oxide nanoparticles doped rice-husk-silicate borotellurite glasses with compositional formula, {[(TeO 2 ) 0.7 (B 2 O 3 ) 0.3 ] 0.8 (SiO 2 )…”
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