Showing papers in "Diamond and Related Materials in 2022"

TL;DR: In this paper , a hierarchical porous carbon material is synthesized by carbonizing the mixture of starch rich biomass precursor and potassium citrate, which exhibits the highest specific capacitance of 242.5 F g −1 at 0.2 A g − 1 , good rate performance and excellent stability.

TL;DR: In this paper , a split-ring resonators (SRRs) structure has been proposed and investigated numerically, which can achieve the highly efficiency switchability of anomalous refraction and planar focuing effects.

TL;DR: In this paper , a three-band active adjustable perfect absorber is proposed, the whole structure is Au-SiO2-Graphene from bottom to top, and the absorber designed shows superior physical mechanism.

TL;DR: In this paper , the authors summarized progress to date in the Raman spectroscopy of important new carbon allotropes and nanomaterials, many of which have been synthesised only in the last two decades.

TL;DR: A facile method to synthesize mangosteen peels activated carbon (MSPAC) from an abundant Malaysian biomass waste via microwave-assisted H3PO4 activation was reported in this paper .

TL;DR: In this article , the authors presented a facile and scalable method for assembling a supercapacitor by combining waste biomass human hair derived activated carbon (HHCK) as an electrode and albumen (egg white gel polymer) in 1 M NaCl electrolyte.

TL;DR: In this article , the synergistic effects of GNS and functionalized nanodiamonds (FNDs) on the pitch derived carbon foam (CF) composite to improve its electrical, mechanical, and thermal properties were explained.

TL;DR: In this article , five different mixes were developed with utilization of graphene oxide (0, 0.03%, 0.06, 0., 0.09% and 0.12% by cement weight) and 2% of steel fibers was added by binder weight.

TL;DR: In this article , the overall structure of the proposed "belfry-typed" absorber sensor is composed of four layers, from bottom to top are Si substrate, Au layer, SiO2 dielectric layer and the top “belfriesmithed” graphene layer, respectively.

TL;DR: In this paper , an effective S-scheme heterojunction was fabricated with ultrasonic aspects for effective decomposition of fluorescein dye and evolution of green hydrogen gas, which is attributed to step Sscheme mechanism which promote the charge transportation and enhance the separation efficiency of the charge carriers.

TL;DR: In this paper , the interaction of 5-fluorouracil (5-FU) with Au32 and C60 fullerene nanocage by Density Functional Theory (DFT) was studied.

TL;DR: In this article , a novel graphene/J-aggregate plasmonics coupler with subwavelength structure at telecommunication range is proposed, which harnesses the propagation of TM (TE) modes without the change of configuration.

TL;DR: In this article , the authors used carrot juice pulp (CJP) and pomegranate peel (PP) biomass wastes as alternative precursors for producing high surface area activated carbon (referred to as CJPPPAC) using microwave radiation assisted with ZnCl2 activation.

TL;DR: In this article , four metasurface sensor designs were proposed for the detection of cancer affected cells, including MSDG with no gaps (MSDG), MSG with inner and outer gaps (MEG), MEG with inner gaps and MG with outer gaps.

TL;DR: An economical epichlorohydrin cross-linked chitosan with magnetic Fe3O4/activated carbon nanocomposite was successfully synthesized and used as a suitable adsorbent material for removal of a triphenylmethane cationic dye, Malachite green (MG), an anionic dye, Reactive red 120 (RR120), and Mercury ions (Hg2+) from aqueous solution as discussed by the authors .

TL;DR: In this article , the synergistic effect of SiO2 and TiO2 nanoparticles with graphene oxide when dispersed in distilled water due to hybridization was examined for thermal transfer capability compared to other nanofluids.

TL;DR: In this paper , the authors proposed a double resonance model of double resonances to simultaneously achieve narrowband and broadband light absorption enhancement of monolayer graphene, which is placed on a metallic substrate surface with a periodic array of small holes.

TL;DR: In this article , a mesoporous activated carbon (MKAC) was used to upgrade Malaysian low-rank coal namely Merit Kapit (MK) into mesophoric activated carbon via fast and convenient microwave-assisted H3PO4 activation.

TL;DR: In this article , the effect of holding time on the microscopic morphology, interface characteristics, element distribution changes and mechanical properties of brazing diamond joints was studied, and the relationship between the holding time and the thickness of the reaction layer was studied.

TL;DR: In this paper , rubber seed pericarp (RSP) biomass wastes (specific surface area = 0.79 m2/g) were converted into mesoporous high-surface-area activated carbon, and the maximum adsorption capacity of RSP-AC was found to be 347.8 mg/g at 25 ± 2 °C.

TL;DR: In this paper , a green and facile H2O2 activation method was proposed to regulate the pore structure of carbon nanofibers and introduce rich oxygen species, rendering a hierarchically porous and heteroatom-doped carbon electrode for supercapacitors.

TL;DR: In this article , a novel KOH-activated magnetic biochar from tea residues was prepared by slow pyrolysis of tea residues powder with FeCl 3 solution impregnation in various ratios.

TL;DR: In this paper , an all-cellulose-based solid-state high-rate supercapacitor assembled with cellulose paper-derived self-supporting porous carbon electrodes and filter paper separator is designed.

TL;DR: In this article , a novel biomass-carbon with porous array structures derived from waste soybean dregs is prepared by a hydrothermal method combined with heat treatment using formaldehyde and KOH as activators.

TL;DR: In this paper , the synthesis of laser-induced graphene (LIG) from paper and other cellulose-related materials is discussed, which opens the door to a wide assortment of potential applications in the form of low-cost, flexible, and biodegradable devices.

TL;DR: In this paper , a simple structure of a continuous graphene strip and a truncated graphene strip was designed and investigated for sensing and slow light applications in terahertz, and the results reveal that plasmonic-induced transparency (PIT) can be produced in the designed graphene metasurface with the destructive interference between bright and dark modes.

TL;DR: In this paper , the photodegradation processes of two textile dyes, methylene blue (MB) and methyl orange (MO), in the presence of BiFeO3/CdS/rGO heterostructures using visible light irradiation were studied.

TL;DR: In this paper , a single-step KOH-catalyzed pyrolysis was used to convert capsicum ( Capsicum annuum L) industrial processing pulp (CP) into low-cost and high-quality activated carbon (AC) under optimal production conditions.

TL;DR: In this article , the correlation between the interfacial compounds and friction and wear performance was studied, and the results showed that after adding B4C with 2 wt, B4c can react with the Cu-Sn-Ti filler, which moderates the wetting reaction between the active alloy and the diamond particles during brazing.

TL;DR: In this article , the magnetic dual Z-scheme composite photocatalyst g-C3N4/BiVO4/CoFe2O4 was successfully fabricated via a high-temperature solid-state route.