Enhanced electrochemical performance of nitrogen-doped graphene and poly[Ni(salen)] composite electrodes for supercapacitors

ZnO-Reduced Graphene Oxide Composites Sensitized with Graphitic Carbon Nitride Nanosheets for Ethanol Sensing

“…Under hydrothermal condition, the ZnO nanoparticles will grow and cover the surface of GO/g-C 3 N 4 . The GO was reduced by urea under hydrothermal condition, according to Li et al 32 Thus, the ZnO/rGO/g-C 3 N 4 nanocomposites was prepared. can doubly confirm that it is a g-C 3 N 4 nanosheet.…”

Atomic and Electronic Structure of Metal–Salen Complexes [M(Salen)], Their Polymers and Composites Based on Them with Carbon Nanostructures: Review of X-ray Spectroscopy Studies

“…A detailed examination of the relevant literature [3,[8][9][10]37,42,[100][101][102][103][104][105][106][107][108][109][110][111][112]114,[134][135][136][137][138][139] showed that TEM, XRD, EDS, Raman, and IR spectroscopy, alongside thermogravimetric analysis and electrochemical methods, are the most commonly used techniques to characterize the structure of composites based on [M(Salen)] and poly-[M(Salen)] with various carbon materials, such as carbon nanotubes, single-walled carbon nanohorns (SWNHs), graphene, graphene oxide (GO), reduced GO (rGO), nitrogen-doped graphene, few-layer graphene (FLG), etc. At the same time, XPS is not widely used for the above-mentioned composites despite the fact that it is the most powerful method for identifying the chemical state of functional atoms in nanostructured composite materials.…”

“…An important advantage of these polymers is also their high thermal stability (up to 350 • C) compared with monomer complexes due to their conductive polymer matrix. It is also expected that the synthesis of nanocomposites based on poly-[M(Salen)] and various forms of carbon (mesoporous and activated carbon), including nanostructured ones (carbon nanotubes, graphene, and nanoglobular carbon), will lead to the development of materials with improved energetic, catalytic, and other characteristics [3][4][5][6][7][8][9][10]. This quality improvement is achieved due to the uniform distribution of the polymer on the surface of the carbon component of the composite material, which has a high specific surface area, electrical conductivity, and mechanical properties (strength, elasticity).…”

“…Until now, the most popular methods for experimentally characterizing the properties of these new materials remain scanning electron microscopy (SEM), in situ UV-visible and IR spectroscopy, in situ ellipsometry, and electrochemical methods (cyclic voltammetry, chronoamperometry, impedance spectroscopy, etc.) [3][4][5][6][7][8][9][10][11][12][13][14][15][16]. However, the methods used provide far from a complete understanding and description of the formation processes of these systems.…”

Tuning the Charge Transport in Nickel Salicylaldimine Polymers by the Ligand Structure

“…Polymeric materials based on salen-type complexes with transition metals are widely used in energy storage devices [1][2][3][4][5][6][7][8][9][10], photoelectrochemical [11,12] and electrochromic systems [13,14], electrochemical sensors [15][16][17], and battery safety elements [18,19], due to their intrinsic conductivity [20] and redox properties [3,21]. Such materials could be easily deposited in a controllable manner directly on the electrode surface by electrochemical oxidative polymerization from the solution of a monomer [3].…”