Center for Advanced Materials Research: Recent submissions
Now showing items 601-620 of 1378
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A New High Gain Modified Boost Converter for Renewable Energy Application with Closed Loop Control
( IEEE Computer Society , 2020 , Conference Paper)The proposed work presents a new Modified Boost Converter (MBC) for renewable energy applications. The proposed MBC is intended for high voltage applications and operates in the closed-loop control to maintain the desired ... -
Bio self-healing concrete using MICP by an indigenous Bacillus cereus strain isolated from Qatari soil
( Elsevier , 2022 , Article)In this study, the self-healing process in concrete through microbial-induced calcium carbonate precipitation (MICP) performed by an adapted indigenous strain of Bacillus cereus isolated from soils in Qatar was investigated. ... -
A New Class of Electrocatalyst Materials for Direct Methanol Fuel Cell Applications
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Direct methanol fuel cell (DMFC) has been attracting lots of attention as a power source for transportation, stationary and portable electronic devices due to the high energy density of methanol and ease of handling compared ... -
Carboxybetaine Ester Feature as a Platform for Switchable Surface Properties
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)A lot of strategies for smart approaches on surfaces were applied such as hydrogel layer, polymer brushes or self-assembly monolayers (SAM). [1] Nowadays switchable zwitterionic materials consisting of molecules with ... -
Analysis of Partial Electrocoalescence by Level-Set and Finite Element Methods
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The coalescence of a water drop in a dieletric oil phase at a water layer interface in the presence of an electric field is simulated by solving the Navier-Stokes and charge conservation equations with the finite element ... -
Durability and Microstructure of Cement Composites Containing Qatar's Municipal Wastes
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Qatar produces more than 2.5 million tons of municipal waste per year with an average waste generation rate of 1.8 kg/day/capita which is one of the highest rates in the world. The rapid growth of municipal solid waste has ... -
Striking multiple synergies in novel three-phase fluoropolymer nanocomposites by combining titanium dioxide and graphene oxide as hybrid fillers
( Springer New York LLC , 2017 , Article)In this study, novel three-phase polymer nanocomposites comprising of polyvinylidene fluoride (PVDF), titanium dioxide (TiO2) nanoparticles and graphene oxide (GO) were prepared using colloidal blending. The PVDF/TiO2/GO ... -
Newly developed biodegradable polymer nanocomposites of cellulose acetate and Al2O3 nanoparticles with enhanced dielectric performance for embedded passive applications
( Springer New York LLC , 2017 , Article)In this study, biopolymer nanocomposites of cellulose acetate (CA) and Al2O3 nanoparticles (Al2O3 NPs) were successfully obtained using solution blending method. The effect of Al2O3 NPs loading on the microstructure, ... -
Heterogeneous growth mechanism of ZnO nanostructures and the effects of their morphology on optical and photocatalytic properties
( Royal Society of Chemistry , 2017 , Article)Zinc oxide (ZnO) nanoflowers have huge potential for various applications. However, the growth mechanism of ZnO nanoflowers is still under debate despite various growth mechanisms having been proposed. The aim of this study ... -
Tribological behaviour of 1D and 2D nanofiller based high densitypoly-ethylene hybrid nanocomposites: A run-in and steady state phase analysis
( Elsevier Ltd , 2017 , Article)Hybrid nanocomposites are a class of materials with exceptional properties due to the synergizing effect of individual fillers. Current work reports the tribological behaviour of high densitypolyethylene-(HDPE) reinforced ... -
Tribological studies of nanomodified mineral based multi-grade engine oil
( Research India Publications , 2017 , Article)This research study investigates the tribological behaviour of mineral based multi grade engine oil reinforced with nanoadditives using a pin on disc tribometer under different frictional conditions. Load, sliding speed, ... -
Eco-Friendly Synthesis of Graphene Oxide Reinforced Hydroxypropyl Methylcellulose/Polyvinyl Alcohol Blend Nanocomposites Filled with Zinc Oxide Nanoparticles for High-k Capacitor Applications
( Taylor and Francis Inc. , 2016 , Article)Polymer/inorganic nanocomposites comprising of hydroxypropyl methylcellulose and polyvinyl alcohol as a polymer matrix and unique combination of graphene oxide and zinc oxide nanoparticles as fillers have been prepared ... -
Non-enzymatic sensing of glucose using screen-printed electrode modified with novel synthesized CeO2@CuO core shell nanostructure
( Elsevier Ltd , 2018 , Article)We fabricated a fourth generation glucose biosensor using CeO2@CuO core shell nano structure (CeCCS NSs). A simple leave extract of Ocimum tenuiflorum was used to prepare different wt% of 0.2, 04, 0.6, and 0.8 CuO (shell), ... -
Studies on the Mechanical, Morphological and Electrical Properties of Highly Dispersible Graphene Oxide Reinforced Polypyrrole and Polyvinylalcohol Blend Composites
( Elsevier Ltd , 2018 , Conference Paper)In the present study, water soluble polypyrrole (WPPy)/polyvinyl alcohol (PVA)/graphene oxide (GO) composite films were prepared via colloidal blending method at different GO loadings varying from 0 – 3 wt%. The dispersion ... -
Effect of poly ethylene glycol (PEG) on structural, thermal and photoluminescence properties of CdO nanoparticles for optoelectronic applications
( Elsevier Ltd , 2019 , Conference Paper)Current study deals with capped/uncapped Cadmium Oxide Nanoparticles (CdO NPs) synthesized by chemical precipitation technique. Structural, morphological, thermal and optical properties of these samples were investigated ... -
Flexible ultra-sensitive and resistive NO2 gas sensor based on nanostructured Zn(X)Fe(1- x)2O4
( Royal Society of Chemistry , 2018 , Article)Low concentration gas detection, rapid response time and low working temperature are anticipated for a varied range of toxic gas detection applications. Conversely, the existing gas sensors suffer mostly from a high working ... -
A Comparative Study of Chemically and Biologically Synthesized MgO Nanomaterial for Liquefied Petroleum Gas Detection
( Springer New York LLC , 2018 , Article)The exceptional chemical and physical properties of nanostructured materials are extremely suitable for designing new and enhanced sensing devices, particularly gas sensors and biosensors. The present work describes the ... -
Dielectric Spectroscopy
( Elsevier , 2017 , Book chapter)In this chapter, an attempt has been made to review dielectric spectroscopy (DS) as a technique for the characterization of nanomaterials. DS involves the study of the response of a material to an electric field, which ... -
CHAPTER 12: Hybrid Nano-filler for Value Added Rubber Compounds for Recycling
( Royal Society of Chemistry , 2019 , Book chapter)The generation of waste and its treatment is a challenging problem nowadays. Rubber that is generally considered for recycling comes from the tyres of vehicles. After their use, the waste tyres can lead to hazardous effects ... -
Introduction of Biopolymer Composites: What to do in Electronics?
( Elsevier Inc. , 2017 , Book chapter)Environment friendly, biodegradable and nontoxic materials especially from renewable resources are attaining great levels of attention nowadays. Biopolymers contribute a very significant division of materials through which ...
