Browsing by Title
Now showing items 8814-8833 of 48316
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Electrical Conductivity Behavior of Biopolymer Composites
( Elsevier Inc. , 2017 , Book chapter)Interest in the study of biopolymer system has been continuously growing as a result of a variety of promising applications such as in electronics, medicine, food packaging, bioplastics, and coating. Characteristics such ... -
Electrical Conductivity Of Aluminum Reinforced Graphite Electrodes
( Qatar University , 1993 , Article)Composite, disc-like aluminum reinforced graphite electrodes were prepared, and an integrated parametric analysis has been performed to investigate the effect of some processing parameters on the electrical conductivity ... -
Electrical Energy Savings through Efficient Cooperation of Urban Buildings: The Smart Community Case of Superblocks' in Barcelona
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)The major challenges that urban living has presented in recent years, as a result of the increasing population density, have triggered a discussion about the development of effective solutions that target the economic, ... -
Electrical equivalent circuit (EEC) based impedance spectroscopy analysis of HTM free perovskite solar cells
( Qatar University Press , 2020 , Poster)Monolithic perovskite solar cells (mPSCs) are the multi-layered organic-inorganic hybrid cells that have been focused due to the affordable cost, ease of fabrication and noteworthy power conversion efficiency (PCE). In ... -
Electrical equivalent circuit (EEC) based impedance spectroscopy analysis of HTM free perovskite solar cells
( Elsevier , 2020 , Article)Monolithic perovskite solar cells (mPSCs) are the multi-layered organic-inorganic hybrid cells that have been focused due to the affordable cost, ease of fabrication, and noteworthy power conversion efficiency (PCE). In ... -
Electrical properties of graphene polymer nanocomposites
( Springer International Publishing , 2015 , Book chapter)Graphene, a monolayer of sp2 hybridized carbon atoms arranged in a two dimensional lattice has attracted electronic industrial interest due to its exceptional electrical properties. One of the most promising applications ... -
Electrical properties of lithium ferrite nanoparticles dispersed in a styrene-isoprene-styrene copolymer matrix
( Springer Netherlands , 2015 , Book chapter)The main goal of this work was the preparation and study of a composite material by dispersing lithium ferrite particles in a polymeric matrix. The matrix selected was styrene-b-isoprene-b-styrene (SIS) copolymer. Lithium ... -
Electrical Properties Of The Lower Eocene Rocks In Qatar
( Qatar University , 1987 , Article)Thirteen limestone samples representing the Rus Formation (Lower Eocene) are selected' from four locations in Qatar Peninsula. These samples are subjected to electrical resistivity, porosity, shaliness factor and water ... -
Electrically conductive composites based on an elastomeric matrix filled with expanded graphite as a potential oil sensing material
( Institute of Physics Publishing , 2014 , Article)The preparation and properties of electrically conductive polymeric composites based on an elastomer matrix (styrene-isoprene styrene block copolymer) filled with expanded graphite are reported in this paper. The developed ... -
Electrically conductive electrospun polymeric mats for sensing dispersed vegetable oil impurities inwastewater
( MDPI AG , 2019 , Article)This paper addresses the preparation of electrically conductive electrospun mats on a base of styrene-isoprene-styrene copolymer (SIS) and multiwall carbon nanotubes (CNTs) and their application as active sensing elements ... -
Electrically conductive, transparent polymeric nanocomposites modified by 2D Ti3C2Tx (MXene)
( MDPI AG , 2019 , Article)The electrically conductive, transparent, and flexible self-standing thin nanocomposite films based on copolyamide matrix (coPA:Vestamelt X1010) modified with 2D Ti3C2Tx (MXene) nanosheets were prepared by casting and their ... -
Electricity Consumption and Economic Growth in Jordan: A Multivariate Approach
( Qatar University , 2015 , Article)This paper aims to examine the impact of electricity consumption on economic growth in Jordan using annual data over the period 1985-2013. To achieve the goal, an Autoregressive Distributed Lag (ARDL) approach is implemented ... -
Electro-Optic Plasmonic Modulator with Direct Coupling to Silicon Waveguides
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)A novel plasmonic Mach-Zehnder interferometer is proposed with a nonlinear polymer. Orthogonal junction coupling between silicon and plasmonic waveguides is exploited to omit the need for tapers, and in turn, reduce the ... -
Electro-sprayed PVA coating with texture-enriched surface morphology for augmented humidity sensing
( Elsevier B.V. , 2018 , Article)This article reports the modified surface morphology of Poly-vinyl Alcohol (PVA) films using electro-spraying coating technique. Atomic force microscopy (AFM) and scanning electron microscopy (SEM) were conducted to examine ... -
Electroactive and Optically Adaptive Bionanocomposite for Reconfigurable Microlens
( American Chemical Society , 2016 , Article)This paper introduces an electroactive bionanocomposite based on poly(diethylene glycol adipate) (PDEGA) and cellulose nanocrystals (CNCs). The bionanocomposites were made using CNCs extracted from cotton and by optimizing ... -
Electrocatalytic activity of nanoparticulate TiO2 coated onto Ta-doped IrO2/Ti substrates: Effects of the TiO2 overlayer thickness
( Elsevier , 2021 , Article)The trade-off between short-term efficiency and long-term durability in electrocatalysis has always been a tough choice. This study examines the electrocatalytic activity of double-layered oxide electrodes comprising a ... -
Electrocatalytic arsenite oxidation in bicarbonate solutions combined with CO2 reduction to formate
( Elsevier , 2020 , Article)Sunlight-driven water-energy nexus technologies are receiving increasing attention. This study presents a hybrid electrochemical system that catalyzes the oxidation of As(III) to As(V) with a nanoparticulate TiO2 electrocatalyst ... -
Electrocatalytic arsenite oxidation using iron oxyhydroxide polymorphs (α-, β-, and γ-FeOOH) in aqueous bicarbonate solution
( Elsevier , 2020 , Article)α-, β-, and γ-FeOOH polymorphs have been synthesized and used for electrocatalytic As(III) oxidation into less toxic As(V) in aqueous bicarbonate solution. As-synthesized FeOOH electrodes exhibit unique crystalline structures ... -
Electrocatalytic cogeneration of reactive oxygen species for synergistic water treatment
( Elsevier B.V. , 2019 , Article)This study examines the co-generation effect of hydroxyl radicals (OH) via water oxidation and H2O2 via O2 reduction in electrocatalytic processes with Sb-doped SnO2 (SS) anode and carbon nanotube (CNT) cathode pairs facing ... -
Electrocatalytic conversion of CO2 over in-situ grown Cu microstructures on Cu and Zn foils
( Elsevier , 2021 , Article)Electrochemical conversion of carbon dioxide to value added multi-carbon products is of great importance and a promising approach to mitigate greenhouse gases. In this work, we report the fabrication of electrodes by ...
