A5058891212- Graphene research and applications
- Laser-induced spectroscopy and plasma
- Diamond and Carbon-based Materials Research
- Carbon Nanotubes in Composites
- Analytical chemistry methods development
- Photonic and Optical Devices
- Advanced Photocatalysis Techniques
- Chalcogenide Semiconductor Thin Films
- 2D Materials and Applications
- Advanced Fiber Laser Technologies
- Gas Sensing Nanomaterials and Sensors
- Corrosion Behavior and Inhibition
- Conducting polymers and applications
- Electrodeposition and Electroless Coatings
- Molecular Junctions and Nanostructures
- Perovskite Materials and Applications
- Graphene and Nanomaterials Applications
- Advanced Fiber Optic Sensors
- Photonic Crystal and Fiber Optics
- Gold and Silver Nanoparticles Synthesis and Applications
- Laser-Ablation Synthesis of Nanoparticles
- Enhanced Oil Recovery Techniques
- Quantum Dots Synthesis And Properties
- Atomic and Molecular Physics
- Transition Metal Oxide Nanomaterials
Tun Hussein Onn University of Malaysia
2017-2025
University of Technology Malaysia
2011-2023
Universiti Teknologi MARA
2023
Universiti Teknologi MARA System
2019
Abstract In this study, a hydrothermal technique was used to synthesize lead sulfide (PbS) and silver (Ag)-doped PbS nanoparticles (NPs) at different concentrations of 20, 40, 60% Ag. The small lattice phase changes appeared due the shifting diffraction angle peaks toward higher 2 θ for samples doped with increasing Ag content. analysis average crystallite size, structure, constant observed under X-ray diffraction. value volume unit cell, porosity (%) were found increase concentration NPs in...
Abstract A First-principles research based on density functional theory is used to explore the various properties of pure and Sr-doped-KNbO 3- perovskites compounds such as structural, electronic, magnetic, optical characteristics. The Sr impact optical, magnetic 3 are investigated using ultra-soft pseudo-potential. band gap found be remarkably increased from 1.50 eV 1.83 after doping Strontium (Sr) with percentages (0%, 12.5%, 25%, 37.5%). Under DFT study, strontium(Sr) appropriate material...
In the present research, structural, electronic and optical properties of transition metal dichalcogenide-doped oxides MoS
Technological advancements in artificial intelligence (AI) have the potential to lead way promoting sustainable environmental practices as well support sciences and biodiversity field studies research. The research will focus on designing an innovative system architecture that integrates laser-induced breakdown spectroscopy (LIBS) with a robust machine learning (ML) framework, significantly advancing practices, especially since LIBS offers rapid precise multi-elemental analysis, while AI...
Two-dimensional materials are among the most scientifically accessible in material science at beginning of twenty-first century. There has been interest monolayer transition metal dichalcogenide (TMDC) family because its large active site surface area for UV photons light wastewater treatment. In present work, density functional theory (DFT) is utilized to model optical, structural and electrical properties TMDCs such as NbS 2 , ZrS ReS NbSe using GGA-PBE simulation approximation. Based on...
Abstract One-dimensional (1D) Ni-doped ZnO nanorods have been synthesised using two techniques: non-vacuum spray pyrolysis and sol-gel immersion. The work investigated the influence of Ni dopant on structural, morphological, optical, magnetic characteristics undoped by numerous analytical techniques including X-ray diffraction, scanning electron microscopy, UV-Vis spectrometer, vibrating sample magnetometer. material displays enhanced structural characteristics, such as vertically orientated...
Polystyrene/Silica Nanocomposites (PS/Si NCs) are attractive material due to their stability (chemical and thermal), low toxicity, the probability from controlling particle size, ability be functionalized with a range of molecules polymers, biocompatibility, degradability below physiographic statuses low-cost production materials. In that paper now, The procedure fabricate polystyrene/silica (PS/SiO2) hybrid hollow spheres did successfully combine by precipitation technique, which was then...
The First principle study based on Density Function Theory (DFT) was accomplished to explore the electronic bandgap configurations of KNbO3 by transition metal doping such as Iron [Fe], and Nickel [Ni] using PBE-GGA (Perdew–Burke–Ernzerhof- Generalized Gradient Approximation) for exchange-correlation potentials. In current K1−xYxNbO3 doped with various percentages (12.5%, 25%, 50%, 75%) [Fe] ions. Different unique properties electronic, optical conductivity, magnetic cubic K1−xYxNbO3(Y = Fe,...
Carbon nanomaterials have attracted vast attention due to the rising demand for various nanotechnology applications. The possibility of preparing multi-walled carbon nanotube (MWCNT) and graphene on large scale are demonstrated using direct current arc discharge with transverse magnetic field effect at low ambient pressure. In this work, we study, external structural perfection nanotube. High quality carbon-nanotube were synthesized by plasma in Hydrogen pressure 1 mbar presence field....
Carbon nanotubes have long attracted great scientific interest because of their simplicity, ease synthesis and unique properties. The novel properties nanostructured carbon including its high surface area, stiffness, tensile strength, thermal electrical which become suitable for the application in fields energy storage, hydrogen electrochemical supercapacitor, field-emitting devices, transistors, nanoprobes sensors, composite material, templates, etc. In this study, were synthesized through...
Laser induced breakdown spectroscopy (LIBS) is an excellent technique that may be more convenient and less expensive by the elimination of time gating operation. In this study, ungated single pulse LIBS was explored for determination lead in leaves soil at various ambient air pressures. Ground Phaleria Macrocarpa were utilized investigation. Matrix matched, laboratory prepared calibration samples ablated with a Nd:YAG (1064 nm, 100 mJ, 10 ns) laser spectra recorded using spectrometer...
Cobalt-ferrite (CoFe2O4) based nanoparticles are appropriate candidates for electrical, optical, and magnetic applications electrical appliances. In the current study, a coprecipitation technique was used to prepare Zinc doped cobalt ferrites with compositions CoFe2−xZnxO4 (x=0.1-0.5) at various percentages using Co-nitrate as precursors. The analysis of crystal phase structure, hkl planes, average crystalline size, volume, lattice parameters unit cell CoFe2-xZnxO4 (NPs) carried under X-ray...
Multi-walled carbon nanotubes (MWCNTs) were grown on cathode deposit by arc discharge plasma under H2, Ar, and air ambient environment. The influence of gas pressure the structure physical properties nanotube compared. Herein, we highlight environment to grow high quality nanotubes. Field emission scanning electron microscopy, transmission Raman spectroscopy, X-ray diffraction used for structural characterization yield determination. result revealed that background crucial factor growing...
Abstract In this paper, the effect of Nd:YAG laser wavelength and energy on synthesis gold nanoparticles is reported. Gold colloidal solutions were prepared by pulsed ablation target in deionized water. The with repetition rate 1 Hz was assigned to supply at fundamental second harmonic wavelengths i.e., 1064 nm 532 nm, respectively. Synthesized characterized using particle size analyzer (PSA). Four different energies used ablate samples synthesize nanoparticles. average found decrease...