Search Results - "Omri, K."

Dielectric investigation and effect of low copper doping on optical and morphology properties of ZO-Cu nanoparticles by Omri, K., Gouadria, Soumaya

“…Zinc oxide (ZnO) powders and copper-doped ones (ZO-Cu) have been synthesized by the so-called sol–gel method. They have been then characterized by four…”
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The optoelectronic properties and role of Cu concentration on the structural and electrical properties of Cu doped ZnO nanoparticles by Omri, K., Bettaibi, A., Khirouni, K., El Mir, L.

“…In the current study, we synthesized a Cu-doped ZnO (CZO) nanoparticles material using a sol-gel method with different doping concentrations of Cu (0, 2, 3 and…”
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Effects of ZnO/Mn Concentration on the Micro-structure and Optical Properties of ZnO/Mn–TiO2 Nano-composite for Applications in Photo-Catalysis by Omri, K., Alonizan, N.

“…We successfully synthesized of ZnO/Mn–TiO 2 (Mn–Ti) nano-composite for different ZnO:Mn (Zn-M) concentrations. These composites with high photo-catalytic…”
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Microstructural properties and improvement in photoluminescence thermometry of Mn-activated single-phased Zn–SO–Mn phosphors by Omri, K., Alharbi, F.

“…Fabrication by sol–gel and study of the physical properties of Mn 2+ doped Zn 2 SiO 4 (Zn–SO–Mn) materials phosphors (heat-treated at 1500 °C) were reported…”
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Structural, optical and magnetic properties of cobalt doped hematite nanoparticles by Mansour, Houda, Omri, K., Ammar, Saleh

“…Pure α-Fe2O3 and Co-doped α-Fe2O3 (CFO) nanoparticles were synthesized by Co-precipitation method. The structure and the morphology of the samples were…”
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Novel α-Fe2O3/TiO2 nanocomposites with enhanced photocatalytic activity by Mansour, Houda, Omri, K., Bargougui, Radhouane, Ammar, Salah

“…In this study, hematite–anatase ( α -Fe 2 O 3 /TiO 2 ) nanocomposites were prepared successfully using a simple co-precipitation method. The obtained samples…”
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Enhanced photocatalytic performance and impact of annealing temperature on TiO2/Gd2O3:Fe composite by Omri, K., Alonizan, N.

“…This work relates to an experimental study concerning the elaboration of the composite material TiO 2 /Gd 2 O 3 :Fe ( TiO–Gd:Fe ) from powders of Gd 2 O 3 and…”
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Synthesis and effect of temperature on morphological and photoluminescence properties of TiO2 nanoparticles by Omri, K., Alharbi, F.

“…Sol–gel preparation of pure anatase TiO 2 calcined at different temperatures has rarely been reported. The current study reports the relative investigation for…”
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Development of an impedimetric non enzymatic sensor based on ZnO and Cu doped ZnO nanoparticles for the detection of glucose by Mahmoud, A., Echabaane, M., Omri, K., El Mir, L., Ben Chaabane, R.

“…In this research, pure and copper-doped Zinc oxide nanoparticles (Cu-ZO) have been prepared by sol gel method. Lots of tests have been carried out for the…”
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Microstructure and luminescence thermometry of transparent Mn–SZO glass ceramics with highly efficient Mn2 by Omri, K., Alharbi, F.

“…Mn 2+ -doped β-Zn 2 SiO 4 -based glass–ceramics phosphors, labeled Mn–ZSO, were synthesized by the sol–gel method. How much variation in the Mn dopant…”
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Effect of manganese content on the yellow luminescence properties of zinc silicate nanoparticles enriched silica matrix by El Mir, L., Omri, K.

“…Nanophosphors β–Zn2SiO4:Mn enriched silica have been synthesized by sol–gel technique with various manganese percentages from 5 to 20 at%. The structures and…”
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Tunable dielectric and microstructure properties Zn2SiO4–Mn glass–ceramics for multifunctional applications by Omri, K., Lahouli, R.

“…The synthesis of Zn 2 SiO 4 doped with Mn 2+ ions ( Mn – Zn – Si ) glass–ceramics‎ sample have been successfully by a sol–gel method. The crystal structure and…”
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Photoluminescence and cathodoluminescence of Mn doped zinc silicate nanophosphors for green and yellow field emissions displays by Omri, K., Alyamani, A., Mir, L. El

“…Mn 2+ -doped Zn 2 SiO 4 (ZSM 2+ ) was synthesized by a facile sol–gel technique. The obtained samples were characterized by X-ray diffraction (XRD), Raman…”
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Surface morphology, microstructure and electrical properties of Ca-doped ZnO thin films by Omri, K., Alyamani, A., El Mir, L.

“…In the present work, a Ca-doped zinc oxide nanoparticle ( ZOCa NPs ) were synthesized using modified sol–gel process. X-ray diffraction study exhibited a…”
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The electrical switching and the non-linear conduction of nanoporous carbon based on organic xerogel by Najeh, I., Omri, K., Ahmed, W., El Mir, L.

“…Resorcinol–formaldehyde-based organic xerogel was prepared by sol–gel method using picric acid as a catalyst. Following thermal treatment in an inert…”
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Microstructure and luminescence properties of ZnO:Mn nano-particles and ZnO:Mn/TiO2 nano-composite synthesized by a two-step chemical method by Alonizan, N., Rabaoui, S., Omri, K., Qindeel, Rabia

“…The present study is determined on the fabrication and the characterization of Mn-doped ZnO (Mn/ZnO), TiO 2 nano-particles and ZnO:Mn/TiO 2 (Mn–O–Ti)…”
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Elaboration and influence of annealing process on physico-chemical properties of silica–titania nanocomposites by Madani, M., Omri, K., Echabaane, M., Gouadria, S., Alharbi, F.

“…This work aimed to study the annealing effects on the TiO 2 /SiO 2 (Ti–O–Si) nanocomposite structural and optical properties and on its performances as a heavy…”
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Structural, electrical and optical properties of ZnO nanoparticle: combined experimental and theoretical study by Kaddes, M., Omri, K., Kouaydi, N., Zemzemi, M.

“…We investigated the structural, electrical and optical properties of zinc oxide using experimental prepared by the sol–gel technique and ab initio…”
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Effects of temperature on the optical and electrical properties of ZnO nanoparticles synthesized by sol–gel method by Omri, K., Najeh, I., Dhahri, R., El Ghoul, J., El Mir, L.

“…[Display omitted] •ZnO nanoparticles for different thermal treatment temperatures has been synthesized by sol–gel method.•The structural, compositional and…”
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Effect of the Nickel and Temperature on the Electrical Properties of C-SiO2-Ni Nanocomposites by Gouadria, S., Omri, K., Choukaier, Dhouha

“…The sol–gel method was chosen to synthesize C-SiO 2 /Ni nanocomposites. Silica nano-fillers were incorporated into a carbon based on resorcinol–formaldehyde…”
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