Synthesis of bimetallic MoS2/VS2 nano-urchins-reduced graphene oxide hybrid nanocomposite for high performance supercapacitor application

Nitrogen-doped reduced graphene oxide-polyaniline composite materials: hydrothermal treatment, characterisation and supercapacitive properties

“…The increase in defect intensity in the RGO samples relative to GO agreed with earlier reports 17,46,47 and was ascribed to the generation of more local defects and structural disorders from the hydrothermal reduction/N-doping process (Table 2). Unlike the rest of the samples that contained more sp 2 than sp 3 carbons, it is noteworthy that the concentration of sp 3 hybridized carbons in U70 is almost equal to that of the sp 2 species (I D /I G E 1).…”

“…5) suggests a large number of structural transformations on the N-RGO surface, possibly from the most effective removal of oxygen-containing moieties. 8,45,46 The most intense 002 peak of U190 is a signal for improved crystallinity and agrees with XPS data (Fig. 2(d) and 5).…”

“…5). 45,46,51 The disappearance/shifting of the peak at 2y of 11.51 upon hydrothermal treatment is an indication of crystallinity transformation due to the doping effect and reduction process. 18 In addition, the intensity of the peak due to the (001) crystal plane of GO decreased as the oxidation/reduction temperature was raised (Fig.…”

Fabrication of 1T VS2 Electrode‐Based In‐Plane Micro‐Supercapacitor Using a Cost‐Effective Mask‐Assisted Printing Technique

“…Vanadium disulfide (VS 2 ) is one of the important members of the TMD which shows a promising application in energy-storage devices. [7,8] Like other TMDs (molybdenum disulfide-MoS 2 and tungsten disulfide-WS 2 ), VS 2 exists in nature with different structural phases, such as 2H (trigonal prismatic) and 1T (octahedral). [9] The 1T VS 2 is metallic in nature and forms a layered structure, which exhibits high electrical conductivity, high surface area, ultrathin edges, and a unique electrical structure.…”

Negative electrodes for supercapacitors with good performance using conductive bismuth-catecholate metal–organic frameworks

“…[10][11][12] Conventional pseudocapacitive and battery-type materials include metal oxides/hydroxides, metal carbides/nitrides, and metal sulfides that have very high theoretical capacitance, low cost, facile preparation method and environmentally friendly nature. [13][14][15][16] Unfortunately, they are always either of low porosity or have unfavourable conductivity, which hinders charge transport and limits the actual performance of electrode materials. 17,18 It is well known that appropriate porosities and large specific surface areas can provide more active sites in favour of charge transfer and storage.…”