نتایج جستجو برای: electrochemical exfoliation
تعداد نتایج: 54133 فیلتر نتایج به سال:
Fluorinated graphene, an up-rising member of the graphene family, combines a two-dimensional layer-structure, a wide bandgap, and high stability and attracts significant attention because of its unique nanostructure and carbon-fluorine bonds. Here, we give an extensive review of recent progress on synthetic methods and C-F bonding; additionally, we present the optical, electrical and electronic...
Demands for sustainable production of hydrogen are rapidly increasing because of environmental considerations for fossil fuel consumption and development of fuel cell technologies. Thus, the development of high-performance and economical catalysts has been extensively investigated. In this study, a nanoporous Mo carbide electrode is prepared using a top-down electrochemical process and it is ap...
Layered K(4)Nb(6)O(17) is a known UV-light-driven photocatalyst for overall water splitting, with a band gap of 3.5 eV. Following ion exchange and exfoliation with tetrabutylammonium hydroxide, the layered material separates into nanosheets that coil into 1.0±0.5 μm long and 10±5 nm wide nanoscrolls to reduce their surface energy. Pt and IrO(x) (x=1.5-2) nanoparticles were photochemically depos...
The controllable and efficient electrochemical preparation of highly crystalline graphene quantum dots (GQDs) in an aqueous system is still challenging. Here, we developed a weak electrolyte-based (typically an ammonia solution) electrochemical method to enhance the oxidation and cutting process and therefore achieve a high yield of GQDs. The yield of GQDs (3-8 nm) is 28%, approximately 28 time...
Graphene is a single layer of graphite with hexagonal structure which have stacked layers. has recently been recognized by its researchers due to it sp2 bonds in lattice, the two-dimensional atomic thickness, and superior electrical, electrochemical, optical, thermal, mechanical properties lightness. Liquid phase exfoliation (LPE) most promising method graphene research produce high quality pro...
introduction: herpes zoster infection (hzi) is a viral disease with painful skin rashes and blisters in a limited area on one side of the body, often in a strip. osteonecrosis with spontaneous exfoliation of teeth in association with hzi of the mandibular nerve is a rare phenomenon. in this report, such an unusual complication of hzi is presented. case report: the clinical course of a 53-year...
A simple chemical route for the exfoliation of kaolinite in the presence of polymerizable ionic liquids and the resulting obtainment of exfoliated nanocomposites is reported. The exfoliation was achieved using three different ionic liquids structurally bearing a vinyl group: 1-methyl-3-(4-vinylbenzyl)imidazolium chloride salt (IL_1), 1-methyl-1-(4-vinylbenzyl)pyrrolidinium chloride (IL_2), and ...
The main advantage for applications of graphene and related 2D materials is that they can be produced on large scales by liquid phase exfoliation. The exfoliation process shall be considered as a particular fragmentation process, where the 2D character of the exfoliated objects will influence significantly fragmentation dynamics as compared to standard materials. Here, we used automatized image...
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