Showing papers in "Diamond and Related Materials in 2020"

TL;DR: In this article, a simple and low-cost microwave-assisted synthesis for supercapacitor (SCs) electrode applications is presented, where binary metal oxide nanoparticles anchored reduced graphene oxide nanosheets (rGO NSs) have been successfully synthesized by a simple low cost microwave assisted synthesis.

TL;DR: In this article, a nickel-metal matrix nanocomposite coating reinforced with reduced graphene oxide (rGO) platelets has been fabricated with an electrochemical deposition technique to investigate the potential to improve the surface properties.

TL;DR: In this article, a novel Z-scheme g-C3N4/RGO/BFO nanocomposite was successfully prepared via hydrothermal method, which exhibited enhanced photocatalytic activity.

TL;DR: In this paper, the role of nano-graphite on the structure, hardness, densification, and toughness characteristics of ZrB2-SiCwgraphite nanocomposites were inspected.

TL;DR: In this paper, a novel thiosemicarbazide functionalized graphene oxide (GO-TSC-GO) adsorbent was developed for the treatment of printing and dyeing wastewater, which was characterized by SEM, XPS, FTIR, Raman, XRD, UV-Vis, TGA, and BET.

TL;DR: In this article, activated carbons (AC) from barley husk (BMWA), corn cob (CMWA), and Agave salmiana leaves (AMWA) were obtained by chemical activation with phosphoric acid for the removal of methylene blue (MB).

TL;DR: In this paper, the evolution of microstructure, mechanical and tribological behaviors of diamond-like carbon (DLC) and Ti-DLC films were systematically investigated, and the wear mechanism of the films with different Ti doping stages was also contrastively discussed.

TL;DR: Graphene oxide nanoparticles (nGOs) were prepared by nanoscond pulsed laser ablation (ns-PLA) of graphene solution at a wavelength of 1064nm.

TL;DR: In this paper, the surface of agglomerated nanodiamond (ND) particles was modified with carboxylic acid and ammine moieties using UV/ozone and ball milling methods respectively.

TL;DR: In this article, a simple hydrothermal method followed by chemical activation using potassium hydroxide as the activating agent under different carbonization temperatures was used to synthesize activated carbon from Eucalyptus globulus seed.

TL;DR: An efficient electrode material (Fe (II)S-GQDs) has been prepared by co-doping of sulfur and iron atoms with Graphene quantum dots in this paper.

TL;DR: In this paper, a feasibility study for the synthesis of nano-structured value-added carbon products from coal, petroleum coke, graphite, and coal-based humic acid by hydrothermal techniques is presented.

TL;DR: In this paper, 5% nano-diamond was introduced to TiC-based ceramics sintered at 1900°C under an external pressure of 40MPa for 10min.

TL;DR: In this paper, a ball milling process with potassium perchlorate as oxidizing agent and deionized water as milling medium was used to obtain the graphene oxides.

TL;DR: In this paper, the XRD results reveal the diffraction planes at 2θ−= 36.53° and 43.04° corresponding to the planes (311) and (400) respectively for Fe nanoparticles and the broadened peak at 26.52° was observed corresponds to plane (002) for rGO which confirmed the formation of Fe3O4 in rGO sheets.

TL;DR: In this paper, the performance of water-based nanodiamond (ND) nanofluids in flat plate solar collector (FPSC) has been analyzed experimentally at 0.2%, 0.4, 0.6, and 1.0% particle concentrations, the stability and thermo-physical properties were also analyzed.

TL;DR: In this paper, a direct Z-scheme mechanism was constructed for the recombination of the useless positive hole and electron in the inferior valence and conduction band of g-C3N4 and AgIO4, respectively through Zscheme aspects, which not only enhances the quantum efficiency of charge separation, but also increase the oxidative and reductive power of the charge carrier.

TL;DR: In this article, a modified method in which periodic repetition of stirring and microwave irradiation simultaneously were done for 21 cycles was used to synthesize a symmetric supercapacitor.

TL;DR: In this article, a cuprous oxide encapsulated with graphitic carbon nitride was synthesized and further structural and morphological properties were analyzed by XRD, SEM and BET.

TL;DR: In this article, the microstructure, mechanical properties and corrosive wear performance in artificial seawater was investigated, and it was found that DLC-0.9 at%W coating had better corrosion-resistance and wear protection performance than W-free DLC coating in synthetic seawater.

TL;DR: In this article, a one-pot solvothermal synthesis of glycol functionalised CoF nanoparticles and the composite with reduced graphene oxide (rGO) supported cobalt ferrite (CoF) based electrodes possesses enhanced electrochemical properties in supercapacitor applications such as high specific capacitance and long cyclic stability.

TL;DR: In this article, the research progress of diamond/copper composite materials is summarized, including the theoretical model, preparation process and preliminary application, and the guiding factors of high thermal conductivity in the existing research are analyzed.

TL;DR: In this article, mesoporous carbons with high specific surface area and large pore volume prepared by KOH activation of a construction waste, polyurethane (PU) foam filler, are tested as excellent electrode materials of electrical double layer capacitors (EDLCs) and zinc ion capacitors(ZICs).

TL;DR: In this paper, a nanocomposite film of CuNPs-NiNPs@reduced-fullerene-C60 on GCE exhibited a well defined oxidation peak for the detection of vitamin D3 with a high dynamic concentration range of 1.25-475 µm and limit of detection of 0.0025 µm.

TL;DR: In this article, the fabrication of polythiophene (PTh) grafted 3-dimensional carbon fiber composite by in-situ emulsion polymerization of thiophene monomer on carbon fibre (CF) and with graphene as filler was reported.

TL;DR: In this article, the authors synthesized g-C3N4/BiOBr/CdS photocatalyst by hydrothermal assisted precipitation method, which showed the highest photocatalytic degradation rate performance, which was superior to that observed 8.95 times for g-c3n4, 3.11 times for BiOBr and 3.18 times for CdS composite.

TL;DR: In this article, an alternative room-temperature gas sensor was fabricated by dropcasting hydroxyl-functionalized graphene quantum dots (OH-GQDs) onto an interdigitated nickel electrode.

TL;DR: In this paper, a high efficient visible light induced photocatalyst based CoFe2O4/g-C3N4 heterostructure was prepared through a microwave irradiation approach.

TL;DR: In this article, a polyaniline (PANI) coated carbon nanotubes (CNTs) coating was applied on a commercial fabric to achieve an exceptional EMI shielding performance.

TL;DR: In this article, microcrystalline diamond (MCD) and nanocrystalline (NCD) films were synthesized on Si substrates by a microwave plasma chemical vapor deposition in methane-hydrogen gas mixtures with a wide range of methane concentrations of 0.5-40%.