Webb13 feb. 2024 · β-Ni(OH)2 and β-Ni(OH)2/graphene oxide (GO) were prepared on an Ni foil electrode using the electrochemical cyclic voltammetry formed in 0.5 M KOH solution. Several surface analyses such as XPS, XRD, and Raman spectroscopies were used to confirm the chemical structure of the prepared materials. The morphologies were … WebbA set of advanced techniques (XRD, FTIR spectroscopy, Raman spectroscopy, and TEM) was used to characterize the functionalized samples, together with elemental analysis …
Nanostructures Stacked on Hafnium Oxide Films Interfacing Graphene …
Webb8 mars 2024 · Graphene layers placed on SrTiO3 single-crystal substrates, i.e., templates for remote epitaxy of functional oxide membranes, were investigated using temperature … Webb9 apr. 2024 · SiO2 films were grown to thicknesses below 15 nm by ozone-assisted atomic layer deposition. The graphene was a chemical vapor deposited on copper foil and transferred wet-chemically to the SiO2 films. On the top of the graphene layer, either continuous HfO2 or SiO2 films were grown by plasma-assisted atomic layer deposition … signs and symptoms of cardiac arrhythmia
Understanding Graphene and its Properties Through XPS
Webb14 dec. 2015 · The process involved preparation of graphene oxide and its chemical reduction with different reductants to obtain reduced graphene oxide. XPS, FTIR, Raman … Webb1 juli 2013 · To transfer the graphene deposited on Cu foil to a SiO 2 /Si wafer, polymethyl methacrylate (PMMA) (950, A2 from MicroChem Inc.) film was spin-coated (500 rpm for 5 s and 4000 rpm for 40 s) on top of the graphene layer. The Cu foil was dissolved in 1 M ammonium persulphate ((NH 4) 2 S 2 O 8) solution for one day and rinsed in deionised … Webb26 jan. 2024 · The Raman spectrum of graphite shows different features compared to diamond. Two distinguishable peaks are revealed at ~1350 cm −1 (D band) and ~1580 … theragun minitm percussive therapy device