Zobrazeno 1 - 10
of 112
pro vyhledávání: '"N. Roushdy"'
Autor:
Ibtisam Alali, Magdy A. Ibrahim, N. Roushdy, Al-Shimaa Badran, Alaa Muqbil Alsirhani, A.A.M. Farag
Publikováno v:
Heliyon, Vol 10, Iss 20, Pp e39468- (2024)
In this study, we synthesized a novel compound, 3-(5-amino-1,3,4-thiadiazol-2-yl)-6-ethyl-4-hydroxy-2H-pyrano[3,2-c]quinoline-2,5(6H)-dione (ATEHPQ), through a condensation reaction between 6-ethyl-4-hydroxy-2,5-dioxo-5,6-dihydro-2H-pyrano [3,2-c]qui
Externí odkaz:
https://doaj.org/article/140a341bfd5448f596eade7e934a452e
Publikováno v:
SN Applied Sciences, Vol 5, Iss 11, Pp 1-16 (2023)
Abstract The aim of this study was to explore the potential of nanocrystalline β-metal-free phthalocyanine (β-H2Pc) in optoelectronics, particularly for the creation of a β-H2Pc/p-Si heterojunction. With a focus on photovoltaic performance, the pr
Externí odkaz:
https://doaj.org/article/892eab96647c4ab8b2fe004984a036cc
Autor:
Mervet Ramadan, Mohamed S. Elnouby, O. El-Shazly, E. F. El-Wahidy, A. A. M. Farag, N. Roushdy
Publikováno v:
Materials for Renewable and Sustainable Energy, Vol 11, Iss 3, Pp 277-286 (2022)
Abstract In the present work, CdS nanoparticles were synthesized and analyzed for use in fuel cell applications. The X-ray diffraction investigation showed that CdS possesses a cubic polycrystalline structure. For the (111) plane, the average values
Externí odkaz:
https://doaj.org/article/bf6de52dc1b54e3db00acd6e64983c34
Publikováno v:
Results in Engineering, Vol 17, Iss , Pp 100871- (2023)
Fuel cells (FCs) are one of the most promising forms of energy production. The huge challenge of fuel cell devices is the development of bi-functional, non-precious and highly active catalysts. In this study, nickel oxide supported on graphene (NiO/G
Externí odkaz:
https://doaj.org/article/44c9f21572e64a1a8809258e2652765e
Autor:
Magdy A. Ibrahim, Shimaa Abdel Halim, N. Roushdy, Al-Shimaa Badran, Emad M. Ahmed, A.A.M. Farag
Publikováno v:
Journal of Materials Research and Technology, Vol 14, Iss , Pp 3092-3110 (2021)
In the current exploration, an innovative 3-[(3-Cyano-1,2-dihydro-2-oxopyridin-5-yl) carbonyl]-1-methyl-4-hydroxyquinolin-2(1H)-one (CPCMHQ) structure was synthesized by condensation reaction and prepared as thin films for the first time in a simple,
Externí odkaz:
https://doaj.org/article/367a9efa231748a28ee97016940e8de1
Publikováno v:
Arabian Journal of Chemistry, Vol 12, Iss 8, Pp 3723-3731 (2019)
A new derivative of heteroannulated chromeno[2,3-b]pyridine identified as 5-ethyl-7H,9H-chromeno[3″,2″:5′,6′]pyrido[3′,2′:5,6]pyrano[3,2-c]quinoline-6(5H),7,9-trione (3) (ECPPQT) was easily and efficiently synthesized from DBU catalyzed c
Externí odkaz:
https://doaj.org/article/3e7b030330e4417ab8e7833b096c7392
Publikováno v:
Indian Journal of Physics. 97:885-896
In this investigation, highly adherent and unique advantageous properties of In2Se3 films were prepared for different studies and applications using a thermal evaporation technique under a high vacuum on different substrates (including glass, quartz,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::888f66e20b1d9747dd495a80392bfa90
https://doi.org/10.1007/s12648-022-02390-4
https://doi.org/10.1007/s12648-022-02390-4
Publikováno v:
Optical and Quantum Electronics. 55
The molecular structure optimization and harmonic vibrational frequencies of nanocrystalline metal-free phthalocyanine were investigated using the density functional theory (DFT) implemented in the Gaussian 09 program through B3LYP/6-311G basis set.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::943ced57cff6ead0d298a7f055bdfef5
https://doi.org/10.1007/s11082-023-04877-8
https://doi.org/10.1007/s11082-023-04877-8
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