OOIR: Observatory of International Research

Papers

(The H4-Index of Diamond and Related Materials is 45. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-11-01 to 2024-11-01.)

Article	Citations
High sensitivity active adjustable graphene absorber for refractive index sensing applications	121
Multi-band and high-sensitivity perfect absorber based on monolayer graphene metamaterial	118
Mesoporous activated carbon from mangosteen (Garcinia mangostana) peels by H3PO4 assisted microwave: Optimization, characterization, and adsorption mechanism for methylene blue dye removal	110
Polarization independent tunable bandwidth absorber based on single-layer graphene	108
Oxygen-rich hierarchical porous carbon derived from biomass waste-kapok flower for supercapacitor electrode	103
A concise review of the Raman spectra of carbon allotropes	100
Preparation of a novel Z-scheme g-C3N4/RGO/Bi2Fe4O9 nanophotocatalyst for degradation of Congo Red dye under visible light	94
A five-peaks graphene absorber with multiple adjustable and high sensitivity in the far infrared band	83
Switchable efficiency terahertz anomalous refraction and focusing based on graphene metasurface	83
Production of large surface area activated carbon from a mixture of carrot juice pulp and pomegranate peel using microwave radiation-assisted ZnCl2 activation: An optimized removal process and tailore	75
Upgrading low rank coal into mesoporous activated carbon via microwave process for methylene blue dye adsorption: Box Behnken Design and mechanism study	72
Synthesis of graphene oxide from graphite by ball milling	69
Facile synthesis of activated carbon derived from Eucalyptus globulus seed as efficient electrode material for supercapacitors	66
Taguchi optimization for production of activated carbon from phosphoric acid impregnated agricultural waste by microwave heating for the removal of methylene blue	66
A tunable broadband absorber in the terahertz band based on the proportional structure of a single layer of graphene	66
Tunable terahertz circular polarization convertor based on graphene metamaterial	66
Potassium citrate assisted synthesis of hierarchical porous carbon materials for high performance supercapacitors	64
A “belfry-typed” narrow-band tunable perfect absorber based on graphene and the application potential research	62
Multi-band multi-tunable perfect plasmon absorber based on L-shaped and double-elliptical graphene stacks	62
Mesoporous activated carbon produced from mixed wastes of oil palm frond and palm kernel shell using microwave radiation-assisted K2CO3 activation for methylene blue dye removal: Optimization by respo	62
Achieving excellent electromagnetic wave absorption property by constructing VO2 coated biomass carbon heterostructures	60
Multi-band, tunable, high figure of merit, high sensitivity single-layer patterned graphene—Perfect absorber based on surface plasmon resonance	60
Simultaneous stirring and microwave assisted synthesis of nanoflakes MnO2/rGO composite electrode material for symmetric supercapacitor with enhanced electrochemical performance	60
2D/2D porous Co3O4/rGO nanosheets act as an electrochemical sensor for voltammetric tryptophan detection	59
High adsorption capacities of crystal violet dye by low-cost activated carbon prepared from Moroccan Moringa oleifera wastes: Characterization, adsorption and mechanism study	58

Synthesis, characterization, stability, and thermal properties of graphene oxide based hybrid nanofluids for thermal applications: Experimental approach	56
Enhancing oxygen reduction reaction performance via CNTs/graphene supported iron protoporphyrin IX: A hybrid nanoarchitecture electrocatalyst	56
Two-dimensional g-C3N4 nanosheets supporting Co3O4-V2O5 nanocomposite for remarkable photodegradation of mixed organic dyes based on a dual Z-scheme photocatalytic system	55
Influences of Ti, Al and V metal doping on the structural, mechanical and tribological properties of DLC films	54
Mesoporous TiO2@g-C3N4 composite: construction, characterization, and boosting indigo carmine dye destruction	53
Theoretical assessment of the solvent effect on the functionalization of Au32 and C60 nanocages with fluorouracil drug	52
Corrosion and tribocorrosion behavior of W doped DLC coating in artificial seawater	52
Ultra wideband tunable terahertz metamaterial absorber based on single-layer graphene strip	51
Construction of novel direct Z-scheme AgIO4-g-C3N4 heterojunction for photocatalytic hydrogen production and photodegradation of fluorescein dye	51
Design and numerical simulation of a sensitive plasmonic-based nanosensor utilizing MoS2 monolayer and graphene	51
Novel laser-assisted method for synthesis of SnO2/MWCNTs nanocomposite for water treatment from Cu (II)	50
Enhanced visible light photocatalytic degradation of bisphenol A (BPA) by reduced graphene oxide (RGO)–metal oxide (TiO2, ZnO and WO3) based nanocomposites	50
A simple approach for controlling the morphology of g-C3N4 nanosheets with enhanced photocatalytic properties	49
Density functional theory study on optical and electronic properties of co-doped graphene quantum dots based on different nitrogen doping patterns	49
Optimization of graphene oxide through various Hummers' methods and comparative reduction using green approach	48
Graphene oxide nanocomposite with CuSe and photocatalytic removal of methyl green dye under visible light irradiation	48
Efficiency tunable broadband terahertz graphene metasurface for circular polarization anomalous reflection and plane focusing effect	46
A novel flower-like dual Z-scheme BiSI/Bi2WO6/g-C3N4 photocatalyst has excellent photocatalytic activity for the degradation of organic pollutants under visible light	46
Comparison of the heteroatoms-doped biomass-derived carbon prepared by one-step nitrogen-containing activator for high performance supercapacitor	45
Electrochemical supercapacitor application of CoFe2O4 nanoparticles decorated over graphitic carbon nitride	45
Deposition of diamond films on Si by microwave plasma CVD in varied CH4-H2 mixtures: Reverse nanocrystalline-to-microcrystalline structure transition at very high methane concentrations	45
Mesoporous high-surface-area activated carbon from biomass waste via microwave-assisted-H3PO4 activation for methylene blue dye adsorption: An optimized process	45