نتایج جستجو برای: graphene sector plates
تعداد نتایج: 204389 فیلتر نتایج به سال:
We report the synthesized and preparation of graphene oxide (GO) nanocomposite functionalized with polyvinyl alcohol (PVA) with different concentration of graphene oxide 0, 1, 1.5, 2, 2.5, 3, 3.5 and 4% weight. This synthesized confirmed by FT-IR. The electrical conductivity of the all nanocomposite was measured at 25°C for all samples and the resulted showed electrical conductivity ...
using the computational methods, the interaction effect of glutamine amino acid on graphene was investigated. for this purpose, the density functional theory) dft (in the ground state of 6-31g was used, and the interaction effects of glutamine on graphene was investigated through attachment to two different base positions. different parameters such as energy levels, the amount of chemical shif...
despite the great potential of graphene as a nanofiller, achieving homogeneous dispersion remains the key challenge for effectively reinforcing polyolefin (such as polyethylene (pe) and polypropylene (pp)) nanocomposites. therefore, in this research, we report a facile combined in situ polymerization and masterbatch method for fabricating pp/reduced graphene oxide (rgo) nanocomposites. in the p...
abstract the graphene–chitosan composite film modified glassy carbon electrode was fabricated and used to determine amlodipine besylate. in 0.1 m ph 7.3 phosphate buffer solutions, the redox peak currents of amlodipine besylate increased significantly at graphene–chitosan composite film modified glassy carbon electrode compared with bare electrode and chitosan modified glassy carbon electrode, ...
Graphene-based nanocomposites are newly emerged materials with a wide range of applications such as in supercapacitors electrode. The high conductivity and ability for passing electric current, makes Graphene an appropriate new item to be used in cells. Electroactive transition metal oxides, owing fast reversible redox pairs, are used to store electrical charge. Furthermore, the Graphene/NiO na...
The formation of moiré superstructures between graphene and its underlying substrate has attracted significant attention because it significantly influences the morphology and properties of graphene. Through the density functional theory (DFT) calculations conducted on graphene/Re(0001) and graphene/Ir(111) moiré superstructures, we found that in contrast to the strain-driven moiré superstructu...
In this article, we proposed a facile method to electrophoretically deposit highly conductive and corrosion-resistant graphene layer on metal bipolar plates (BPs) while avoiding the oxidation of substrate during electrophoretic deposition (EPD). p-Phenylenediamine (PPD) was first grafted onto negatively charged oxide (GO) obtain modified (MGO) bearing positive charges. Then, MGO dispersed in et...
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