Browsing Research Units by Subject "Graphene"
Now showing items 1-20 of 21
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An Overview of Graphene-Based 2D/3D Nanostructures for Photocatalytic Applications
( Springer , 2022 , Article)Photocatalytic processes induced by inexhaustible solar energy have fascinated significant research to solve issues like energy crisis and environmental pollution since they possess several merits, like renewable energy ... -
Cerium functionalized graphene nano-structures and their applications; A review
( Elsevier , 2022 , Article)Graphene-based nanomaterials with remarkable properties, such as good biocompatibility, strong mechanical strength, and outstanding electrical conductivity, have dramatically shown excellent potential in various applications. ... -
DFT investigation of H2S adsorption on graphenenanosheets and nanoribbons: Comparative study
( Elsevier , 2020 , Article)Graphenenanosheet (GNS), armchair graphenenanoribbon (AGNR), and zigzag graphenenanoribbon (ZGNR) systems were investigated by first principle calculations using the density functional theory (DFT). The DFT calculations ... -
Dry ice-mediated rational synthesis of edge-carboxylated crumpled graphene nanosheets for selective and prompt hydrolysis of cellulose and eucalyptus lignocellulose under ambient reaction conditions
( Royal Society of Chemistry , 2020 , Article)Edge-selectively carboxylated graphene (ECG) crumpled nanosheets are of great importance in potential applications; however, their catalytic activity towards biomass hydrolysis is not yet highlighted. Herein, we rationally ... -
Eco-Friendly Electromagnetic Interference Shielding Materials from Flexible Reduced Graphene Oxide Filled Polycaprolactone/Polyaniline Nanocomposites
( Taylor and Francis Inc. , 2016 , Article)Hybrid nanocomposites have the unique ability of enhancing material properties due to the existing synergistic effect of the fillers. In this study, the authors report such an eco-friendly hybrid nanocomposite comprising ... -
Graphene as a signal amplifier for preparation of ultrasensitive electrochemical biosensors
( Springer-Verlag , 2015 , Article)Early diagnostics of diseases performed with minimal money and time consumption has become achievable due to recent advances in development of biosensors. These devices use biorecognition elements for selective interaction ... -
Graphene Based Aerogels: Fundamentals and Applications as Supercapacitors
( Elsevier Ltd , 2020 , Article Review)Super Capacitors have attained a huge amount of attention due to their outstanding features and characteristics such as high-power density, excellent charge/discharge routine, and tendency of a longer lifetime. Graphene, ... -
Graphene oxide reinforced polyvinyl alcohol/polyethylene glycol blend composites as high-performance dielectric material
( Springer Netherlands , 2016 , Article)Novel flexible dielectric composites composed of polyvinyl alcohol (PVA), polyethylene glycol (PEG), and graphene oxide (GO) with high dielectric constant and low dielectric loss have been developed using facile and ... -
Graphene quantum dot based materials for sensing, bio-imaging and energy storage applications: a review
( Royal Society of Chemistry , 2020 , Article Review)Graphene quantum dots (GQDs) are an attractive nanomaterial consisting of a monolayer or a few layers of graphene having excellent and unique properties. GQDs are endowed with the properties of both carbon dots (CDs) and ... -
Improving the efficiency of dye sensitized solar cells by TiO2-graphene nanocomposite photoanode
( Elsevier B.V. , 2015 , Article)Nanocomposite photoanodes were prepared by addition of graphene (GR) micro-platelets to TiO2 nanoparticulate paste. TiO2/graphene based DSSCs were fabricated using Z907 photosensitizer. Transmission electron microscope was ... -
Influence of temperature on the confinement effects of micro and nano level graphite filled poly(isoprene-co-isobutylene) composites
( Springer Netherlands , 2016 , Article)Electrically conducting elastomer composites using nanocarbon fillers have utmost significance in the current scenario of flexible electronics. Though a large number of reports have come out in this topic, the influence ... -
Integration of the inexpensive CuNWs based transparent counter electrode with dye sensitized photo sensors
( Royal Society of Chemistry , 2016 , Article)We demonstrate, a newly developed, inexpensive transparent conducting electrode (TCE) based on copper nanowires (CuNWs) combined with reduced graphene oxide (rGO) and poly(3,4-ethylenedioxythiophene) polystyrene sulfonate ... -
Melt processing and properties of linear low density polyethylene-graphene nanoplatelet composites
( Elsevier Ltd , 2016 , Article)Composites of Linear Low Density Polyethylene (LLDPE) and Graphene Nanoplatelets (GNPs) were processed using a twin screw extruder under different extrusion conditions. The effects of screw speed, feeder speed and GNP ... -
Preparation and characterization of green graphene using grape seed extract for bioapplications
( Elsevier Ltd , 2016 , Article)The development of functionalized graphene materials concerning health and environmental aspects via green approaches is currently the most recent topic in the field of nanoscience and nanotechnology. Herein, we report the ... -
Recent developments and advancements in graphene-based technologies for oil spill cleanup and oil-water separation processes
( MDPI , 2022 , Article)The vast demand for petroleum industry products led to the increased production of oily wastewaters and has led to many possible separation technologies. In addition to production-related oily wastewater, direct oil spills ... -
Reduced graphene oxide filled poly(dimethyl siloxane) based transparent stretchable, and touch-responsive sensors
( American Institute of Physics Inc. , 2016 , Article)The ongoing revolution in touch panel technology and electronics demands the need for thin films, which are flexible, stretchable, conductive, and highly touch responsive. In this regard, conductive elastomer nanocomposites ... -
A review of bipolar plates materials and graphene coating degradation mechanism in proton exchange membrane fuel cell
( John Wiley and Sons Ltd , 2022 , Article Review)Proton exchange membrane fuel cells (PEMFCs) have the perception to strongly reduce global emissions through an environmentally friendly perspective. Graphene has drawn global attention and has positioned itself as a ... -
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 ... -
Superior architecture and electrochemical performance of MnO2 doped PANI/CNT graphene fastened composite
( Springer New York LLC , 2019 , Article)MnO2 doped polyaniline (PANI) grafted on 3D CNTs/graphene was fabricated using basic in situ redox deposition. The HRTEM and FESEM studies validate that MnO2 doped polyaniline (PANI) can be efficiently coated over the ... -
Understanding the electrochemical performance of LiNi0. 5Mn1.5O4 coated with Yttria and distributed over graphene nanosheets as cathode in li-ion batteries
( Qatar University Press , 2021 , Poster)LiNi0.5Mn1.5O4 is a promising cathode material for lithium-ion batteries with a high-voltage spinel structure. A microwave-assisted chemical co-precipitation method was used to synthesize Y2O3 coated quasi-spheres of ...