Browsing Research Units by Title
Now showing items 1441-1460 of 4556
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Enhanced mechanical and corrosion protection properties of pulse electrodeposited NiP-ZrO2 nanocomposite coatings
( Elsevier B.V. , 2020 , Article)Pulse electrodeposition is a technique of particular interest, which offers promising advantages such as ease of processing, compositional control, uniformity in structure, and grain refinement. In the present study, ... -
An Enhanced Multi-Phase Stochastic Differential Evolution Framework for Numerical Optimization
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)Real-life problems can be expressed as optimization problems. These problems pose a challenge for researchers to design efficient algorithms that are capable of finding optimal solutions with the least budget. Stochastic ... -
Enhanced performance of nano-sized SiC reinforced Al metal matrix nanocomposites synthesized through microwave sintering and hot extrusion techniques
( Elsevier B.V. , 2017 , Article)In the present study, nano-sized SiC (0, 0.3, 0.5, 1.0 and 1.5 vol%) reinforced aluminum (Al) metal matrix composites were fabricated by microwave sintering and hot extrusion techniques. The structural (XRD, SEM), mechanical ... -
Enhanced Performance of Oxygen-Functionalized Multiwalled Carbon Nanotubes as Support for Pt and Pt-Ru Bimetallic Catalysts for Methanol Electrooxidation
( American Chemical Society , 2020 , Article)The performance of Pt-Ru catalysts for methanol electrooxidation has been greatly enhanced by replacing the standard carbon XC72 support with oxygen-functionalized multiwalled carbon nanotubes (MWCNTs). Highly dispersed, ... -
Enhanced photo-Fenton degradation of Rhodamine B using iodine-doped iron tungstate nanocomposite under sunlight
( Springer , 2022 , Article)In the present research work, iodine-doped iron tungstate has been reported for first time as an active photo-Fenton heterogeneous catalyst for wastewater treatment. In Fenton-like process, the catalytic efficiency of FeWO4 ... -
Enhanced Photocatalytic Activity of a Molybdate-Intercalated Iron-Based Layered Double Hydroxide
( Wiley-VCH Verlag , 2017 , Article)Herein, we report the design and successful fabrication of new Mg/Fe layered double hydroxides (LDHs) with different Mg/Fe molar ratios (2:1, 3:1, and 4:1) by a coprecipitation method. The prepared Mg/Fe (4:1) LDH sample ... -
Enhanced photocatalytic degradation of a phenolic compounds' mixture using a highly efficient TiO2/reduced graphene oxide nanocomposite
( Springer New York LLC , 2016 , Article)A nanocomposite (namely rGOTi) was prepared by loading 0.33 weight percent of reduced graphene oxide (rGO) on commercial TiO2 nanoparticles using a hydrothermal method. The as-prepared nanocomposite was characterized using ... -
Enhanced photocatalytic performance of WON@porous TiO2 nanofibers towards sunlight-assisted degradation of organic contaminants
( Royal Society of Chemistry , 2018 , Article)In the last few decades, TiO2 has been widely used in different types of photocatalytic applications. However, the relatively large optical band gap (∼3.2 eV), low charge carrier mobility and consequently its low quantum ... -
Enhanced photovoltaic performance of dye-sensitized solar cells using TiO2-graphene microplatelets hybrid photoanode
( IEEE Electron Devices Society , 2016 , Article)Hybrid photoanodes for dye-sensitized solar cells (DSSCs) were prepared by simple addition of graphene (GR) microplatelets to TiO 2 nanoparticulate paste. Transmission electron microscopy was used to confirm the presence ... -
Enhanced photovoltaic performance with co-sensitization of a ruthenium(ii) sensitizer and an organic dye in dye-sensitized solar cells
( Royal Society of Chemistry , 2016 , Article)Co-sensitization is demonstrated to be an effective technique to enhance the efficiency of dye-sensitized solar cells, where an efficiency of 9.23% is achieved by mixing N3 and RK-1 dyes. The assembled solar cells are ... -
Enhanced Removal of Diesel Oil Using New Magnetic Bentonite-Based Adsorbents Combined with Different Carbon Sources
( Springer Science and Business Media Deutschland GmbH , 2022 , Article)In this work, new magnetic bentonite-based adsorbents combined with different carbon sources, namely, reduced graphene oxide and multiwall carbon nanotubes, were synthesized via co-precipitation method. The synthesized ... -
Enhanced Size Selection in Two-Photon Excitation for CsPbBr3 Perovskite Nanocrystals
( American Chemical Society , 2017 , Article)Cesium lead bromide (CsPbBr3) perovskite nanocrystals (NCs), with large two-photon absorption (TPA) cross-section and bright photoluminescence (PL), have been demonstrated as stable two-photon-pumped lasing medium. With ... -
Enhanced Z-scheme visible light photocatalytic hydrogen production over ?-Bi 2 O 3 /CZS heterostructure
( Elsevier Ltd , 2018 , Article)Depletion of fossil fuels and associated environmental issues has drawn attention of researchers to renewable energy resources and photocatalytic hydrogen production is considered to be safe and applicable method to meet ... -
Enhancement in bell pepper (Capsicum annuum l.) plants with application of roholtiella sp. (nostocales) under soilless cultivation
( MDPI , 2021 , Article)Cyanobacteria are found to be renewable and sustainable additives for growth improvement in crops. Extracts and biomass of three nitrogen-fixing cyanobacteria namely, Roholtiella sp. (QUCCCM97), Nostoc ellipsosporum ... -
Enhancement of Adhesion Characteristics of Low-density Polyethylene Using Atmospheric Plasma Initiated-Grafting of Polyethylene Glycol
( Qatar University Press , 2021 , Poster)The low-density polyethylene/aluminum (LDPE/Al) joint in Tetra Pak food container provides stability and strength to food packaging, ensures protection against outside moisture, and maintains the nutritional values and ... -
Enhancement of adhesion characteristics of low-density polyethylene using atmospheric plasma initiated-grafting of polyethylene glycol
( MDPI AG , 2021 , Article)The low-density polyethylene/aluminum (LDPE/Al) joint in Tetra Pak provides stability and strength to food packaging, ensures protection against outside moisture, and maintains the nutritional values and flavors of food ... -
Enhancement of CO2 biofixation and lipid production by Chlorella vulgaris using coloured polypropylene film
( Taylor and Francis Ltd. , 2019 , Article)Chlorella vulgaris was cultivated with light at different wavelengths (λmax) and irradiation intensities (I) by applying a coloured tape (CT) as a simple, inexpensive light filter. C. vulgaris was cultivated in a standard ... -
Enhancement of electrical and optical performance of N719 by co-sensitization
( Elsevier B.V. , 2018 , Article)This paper deals with the electrical, optical and electrochemical properties of a metal-free dye C78H74O8 (AS-2), which has been used to improve the photo-detection properties of C58H86N8O8RuS2 (N719) based Dye sensitized ... -
Enhancement of electrical characteristics of a-ZTO TFTs based on channel layers produced with alternating precursor concentration
( Institution of Engineering and Technology , 2018 , Article)The enhancement in electrical characteristics of the thin film transistors (TFTs) based on the mixed-stacked amorphous zinc tin oxide (a-ZTO) with an alternating precursor concentration is reported. The channel layers were ... -
Enhancement of flocculation and dewaterability of a highly stable activated sludge using a hybrid system of organic coagulants and polyelectrolytes
( Elsevier Ltd , 2020 , Article)This study investigates the influence of hybrid coagulation-flocculation system on the flocculation and dewaterability efficiency of a real highly stable activated sludge obtained from the membrane bioreactor tank of a ...