Zobrazeno 1 - 10
of 187
pro vyhledávání: '"T. A. Hanafy"'
Publikováno v:
Journal of Inorganic and Organometallic Polymers and Materials.
The functionalized polyvinyl alcohol (PVA) based nanocomposites thick films of 80 μm containing 1–3 wt% zinc oxide (ZnO) nanoparticles (NPs) were studied. X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and Raman spectrosc
Autor:
T. A. Hanafy, M. Rashad, Alaa M. Abd-Elnaiem, Taymour A. Hamdalla, Seleim M. Seleim, Meshari Aljouhani
Publikováno v:
Journal of Inorganic and Organometallic Polymers and Materials. 31:4141-4149
In the present work, gallium oxide nanoparticles (nGa2O3) are synthesized via the thermal microwave combustion method, while nanocomposites of polyvinyl alcohol (PVA) polymer with various concentrations (0, 1, 2, 3, 4, and 5 wt%) of nGa2O3 are prepar
Publikováno v:
Bio-Medical Materials and Engineering. 31:225-234
BACKGROUND: The design and fabrication of hemocompatible and low-toxicity formulations remains a challenging task. Hydrogels are of considerable importance for biomedical applications since they are highly compatible with living tissue, both in vivo
Study of the nanostructure of free volume and ionic conductivity of polyvinyl alcohol doped with NaI
Publikováno v:
Polymers for Advanced Technologies. 32:173-182
Publikováno v:
Journal of Materials Science: Materials in Electronics. 31:15192-15197
Both pure and doped polyvinyl alcohol (PVA) with 1 wt% of Ni, NiO and Fe2O3 nanoparticles (NPs) were prepared using the casting method. The structural and electrical properties of the composite were extensively studied. Moreover, the radiation shield
Publikováno v:
Physica B: Condensed Matter. 571:93-100
Polyvinyl alcohol (PVA) films doped with various concentration (1, 2, 4, 6 wt %) of Methylsilicon (IV) phthalocyanine hydroxide (MeSiPc) were achieved by casting procedure. FTIR results confirmed the increase of disordered ratio within the backbone s
Publikováno v:
Phase Transitions. 92:603-613
Rare-earth elements (REEs) as Tm+3, Er+3, Yb+3 and Nd+3 have a significant optical photon emission. Therefore, Films of PMMA doped with 5 wt.% of NdCl3, TmCl3, ErCl3 or YbCl3 were prepared using th...
Publikováno v:
Progress in Nuclear Energy. 111:15-23
Poly vinyl alcohol (PVA) mixed with varying degrees of Pb(NO3)2 (0–30 wt%) as reinforced materials were prepared in this paper. The construction and optical properties of samples have been studied using Fourier-transform infrared (FTIR) at 400-4000
Autor:
Ahmed Darwish, S. R. Alharbi, Zuhair M. Mohammedsaleh, T. A. Hanafy, A.M. Aboraia, A. M. El Shafey, H.A. Alrafai, Asmaa M A Omar
Publikováno v:
Optical Materials. 120:111416
The PtCl4@PVA composites films were prepared by casting an aqueous solutions technique. Based on the effect of PtCl4 concentrations, the PVA structure was modified from semi-crystal to amorphous material. Corresponding to FTIR and XRD, PtCl4 is inter
Publikováno v:
Optical Materials. 119:111325
In this work, we prepared composites of functionalized polyvinyl alcohol by NiO nanoparticles with of 1.0–5.0 wt%. Crystal structure analysis were well studied by XRD, Raman and FTIR. The optical properties of the functionalized PVA have been deepl