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  1. No Access

    Article

    Facile synthesis, structural, morphological and electronic investigation of Mn2O3 nano-rice shape and Mn2O3-rGO hybrid nanocomposite

    The hydrothermal method was used to prepare manganese oxide (Mn2O3) nanoparticles. Reduced graphene oxide (rGO) powder was sonicated with Mn2O3 forming a homogeneous Mn2O3-rGO nanocomposite. The prepared nanocomp...

    Hanan Elhaes, Ahmed I. Abdel-Salam, Islam Gomaa… in Optical and Quantum Electronics (2023)

  2. No Access

    Article

    Design and implementation of low-cost gas sensor based on functionalized graphene quantum dot/Polyvinyl alcohol polymeric nanocomposites

    Polyvinyl Alcohol’s (PVA) Electronic Properties are improved by adding metal oxides and functional groups, allowing them to be used in various applications based on their electrical properties. As a result, th...

    Rania Badry, Asmaa Ibrahim, Fatma Gamal, Hanan Elhaes… in Optical and Quantum Electronics (2023)

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    Article

    Enhancing the optical properties of chitosan, carboxymethyl cellulose, sodium alginate modified with nano metal oxide and graphene oxide

    The solution casting method was utilized to synthesize nanocomposite films of chitosan (Cs)/CuO, Cs/graphene oxide (GO), carboxymethyl cellulose (CMC)/TiO2, CMC/GO, sodium alginate (Na-Alg)/TiO2, and Na-Alg/GO ow...

    Amina Omar, Rania Badry, Maroof A. Hegazy… in Optical and Quantum Electronics (2022)

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    Article

    Photophysical and electronic properties of Congo red dye embedded in polyvinyl alcohol as an efficient laser optical limiter: enhancement of the electrical conductivity and dielectric properties

    High-quality polymeric composite films containing Congo red dye and PVA were prepared using the casting technique. The proposed Cr-doped PVA composites were examined using XRD, UV–visible optical, dielectric, ...

    T. AlAbdulaal, Mohamed A. Assiri, M. I. Mohammed… in Optical and Quantum Electronics (2022)

  5. No Access

    Article

    Application of catalysts in the synthesis of 4-(4-(dimethylamino)benzylidene)-3-methylisoxazol-5(4H)-one: experimental and theoretical studies

    The aim of this work is to evaluate the catalytic activity of catalysts based on silver nanoparticles in the synthesis of isoxazolone-type heterocycles. The catalysts used in this study were prepared by the im...

    Shazalia Mahmoud Ahmed Ali, Amani Chrouda, Manahil Babiker Elamin… in Applied Physics A (2022)

  6. No Access

    Article

    Exact solutions for MHD axisymmetric hybrid nanofluid flow and heat transfer over a permeable non-linear radially shrinking/stretching surface with mutual impacts of thermal radiation

    Recently, the hybrid nanofluid has been extensively utilized to improve the capabilities of heat transfer fluids that are widely employed in modern industrialized applications. In this article, the features of...

    Umair Khan, Aurang Zaib, Anuar Ishak… in The European Physical Journal Special Topi… (2022)

  7. No Access

    Article

    The effect of heterovalent do** on the stability and properties of multiferroic Aurivillius phases

    The effect of magnetoactive cations on the stability and properties of Aurivillius phases (1) Bi5Ti2(TiFe)1−x(NiNb)xO15, (2) Bi4Ti3−2.5x(Nb1/2Fe1/2)x(Nb2/3Ni1/3)1.5xO12, (3) Bi3Ti1−2.5xNb1+1.5x(Fe1/2Ni1/2)xO9, (4...

    Inna V. Lisnevskaya, Vera V. Butova, Yury V. Rusalev… in Applied Physics A (2020)

  8. No Access

    Article

    Functionalization of graphene quantum dots (GQDs) with chitosan biopolymer for biophysical applications

    Graphene quantum dots (GQDs) have become one of the potential materials in several applications. Recently, functionalization of GQDs with various functional groups is one of the hot spots of research. Chitosan...

    Ahmed M. Bayoumy, Ahmed Refaat, Ibrahim S. Yahia… in Optical and Quantum Electronics (2019)