Uday M. Nayef

• University of Technology - Iraq

Synthetic dyes, including indigo carmine (IC), are significant pollutants primarily because of their toxicity and resistance to conventional degradation methods. This study investigates the potential of ZnO nanoparticles as a photocatalyst for the degradation of indigo carmine under UV light. ZnO nanoparticles were synthesized using a simple water-...

This study presents gold–iron oxide (Au@Fe3O4) core-shell nanoparticles (NPs) synthesis via pulsed laser ablation in liquid (PLAL) techniques to improve photodetector performance. The nanoparticles' structural, optical, and electrical properties, deposited on porous silicon (PS) substrates, were investigated in detail. The formation of Au@Fe3O4 nan...

In the present work, tin dioxide nanoparticles (SnO2 NPs) were synthesized using the laser ablation technique and employed in constructing high-performance photodetectors. SnO2 NPs were prepared using Nd:YAG laser pulses 1064 nm ablated on Sn target immersed in deionized water, and the effect of different laser pulse energies such as 300 mJ, 500 mJ...

This research investigates the creation of aluminum oxide (Al2O3) nanoparticles using pulsed laser ablation in liquid (PLAL) and their utilization in photodetector devices constructed on porous silicon (PS) substrates. Different laser energy levels (400, 600, 800, and 1000 mJ) were utilized to produce Al2O3 nanoparticles, and their structural, opti...

In this work, a gold (Au) nanoparticle created as a core that has been surrounded by copper oxide (CuO) nanoshells (Au@CuO core@shell) is accomplished through the use of pulsed laser ablation in liquid (PLAL). The core@shell form of Au@CuO particles has been synthesized by employing different pulsed laser ablation energies, and then, the nanopartic...

A core–shell technique using ablation by laser in aqueous solutions is used to create Au@ Al2O3 nanoparticles. Photoelectrochemical etching (PECE) from n-type silicon creates porous silicon. The deposition of Au@Al2O3 nanostructures on the porus silicon substrate is characterized via scanning electron microscopy with field emission (FE-SEM), X-ray...

This study focuses on the synthesis of barium titanate (BaTiO3) nanoparticles (NPs) utilizing laser ablation in liquid and their application in the manufacture of photodetectors. Using a Q-switched pulsed Nd:YAG laser at different energy levels, BaTiO3 NPs were synthesized in deionized water. Depending on the used laser energy, an X-ray diffraction...

The study describes the preparation of a photodetector device using gold nanoparticles (Au-NPs) fabricated via pulsed laser ablation in liquid, working together with a nanostructure silicon base produced through photoelectrochemical etching. The gold nanoparticle devices’ optical, structural, and electrical properties were analyzed based on varying...

The present study investigated the efficacy of eco-friendly bimetallic nanoparticles (BM NPs) in eradicating microorganisms. BM NPs were synthesized with a safe, cost-effective, and environmentally friendly physical approach. Several modern analytic methods were employed to characterize the BMNPs in this study to ensure thorough structural and morp...

Zinc Oxide nanoparticles (ZnO NPs) were prepared using a pulsed laser ablation process, using Q-switched Nd: YAG laser pulses of 1064 nm wavelength, 1 Hz pulse repetition rate, pulse duration of 9 ns, with different laser pulse energy (350 mJ, 500 mJ, 650 mJ), and the porous silicon prepared by electrochemical etching with fixed parameters (25% HF,...

In the current study, we used an environmentally friendly method called pulsed laser irradiation for the preparation of AuNPs and hydroxyapatite NPs alone and as a composite nanomaterials. The optical, morphology, and chemical bonding possessions of prepared AuNPs, hydroxyapatite NPs, and Au-hydroxyapatite composites were studied using different te...

The paper studies the use and properties of Mg-Al0.09-Z n0.01 magnesium alloy in photo-conversion application. Magnesium alloys have excellent specific strength, stiffness, damping vibrations, and recyclability, making them highly desirable in industries such as automotive, aerospace, and electrical consumer devices. Also, the use of nanoparticles...

The use of plant extracts as potent reducing agents for the environmentally friendly production of nanoparticles (NPs) has recently attracted the interest of scientists. NPs have received high attention because of their novel properties. The aim of the present study is to biosynthesize zinc oxide nanoparticles (ZnO NPs) using Raphanus sativus and s...

Background Single-walled (SWCNTs) and multi-walled carbon nanotubes (MWCNTs) can pose risks in biological systems leading to harmful effects, such as, reactive oxygen species (ROS) formation, DNA damage, mitochondrial dysfunction, and ultimately, the cell death through apoptosis. Objectives The study assessed the nephrotoxicity of the SWCNTs and SW...

The pulsed laser ablation in liquids is one of the safest and most pure methods for producing highly efficient nanoparticles. The physical and green method was used in manufacturing aluminum oxide nanoparticles with clove extract. This was done using the Nd:YAG laser with a wavelength of 1064 nm and an energy 400 mJ and a rotation rate of 6 Hz. The...

In this work, silicon n-type (111) was photoelectrochemically etched to create porous silicon (PS) substrates. Pulsed laser ablation (PLA) was utilized to synthesize copper oxide (CuO) nanoparticles as a core enveloped by zinc oxide (ZnO) nanoshells (CuO@ZnO) nanostructures. The core–shell structure of CuO@ZnO nanoparticles is synthesized utilizing...

In this research, the nanoparticles (NPs) of magnesium alloy (Mg–Al-Zn) were prepared using a laser ablation technique in a solution and then deposited on porous silicon. The structural characterization, electrical, and spectral properties of the nanoparticles deposited on the porous silicon were investigated. Firstly, the initial alloy was made as...

AlO is a prevalent oxide compound composed of aluminum and oxygen, with the chemical formula Al 2 O 3 . This study aims to prepare aluminum oxide nanoparticles using aluminum nitrate nonahydrate Al(NO[Formula: see text] 9H 2 O through direct exposure to a plasma jet system using argon gas, as plasma is the fourth state of matter and a common effect...

This paper describes the synthesis and analysis of a photodetector made of copper oxide nanoparticles (CuONPs) embedded in a porous silicon (PS) matrix. CuONPs were generated utilizing pulsed laser ablation in ethanol (PLAL), while a porous silicon-(PS) substrate was created via photo-assisted electrochemical etching. An investigation is conducted...

The fabrication and analysis of a photodetector using copper oxide nanoparticles (In2O3-NPs) embedded in a porous silicon (PS) structure are detailed in this study. One method used to create In2O3 NPs was pulsed laser ablation in ethanol (PLAL), while another was photo-assisted electrochemical etching to create a porous silicon substrate. The optic...

The current study analyzes the colloidal solution of copper oxide nanoparticles (CuO NPs) produced via laser ablation by laser Nd: YAG. The laser possesses 500, 700, and 900 mJ pulse energies, operates at a 1064 nm wavelength, and produces repeated 200 pulses. This study showed the properties of the colloidal solution consisting of CuO nanoparticle...

This study outlines the synthesis and analysis of nickel oxide nanoparticles (NiO) that are coated onto porous silicon (PS) to serve in photodetector applications. The synthesis of nickel oxide nanoparticles was achieved by employing pulsed laser ablation in water, while a PS layer was produced through light-assisted electrochemical etching. An inv...

This research included the production of copper oxide nanoparticles (CuO NPs) using various pulsed laser ablation energy (PLAL) embedded in substrates made of porous silicon (PS). The PS substrates were created using the photoelectrochemical etching (PECE) technique of Si n-type (111). The research examined the impact of pulse laser ablation energy...

A pulsed laser was used to make the Au@Ag@Au core-double shell nanoparticles in a DMF solution. The samples were characterized and inspected to confirm the structure investigated by XRD tests, and the average crystallite size was 51.988, 51.222, and 47.482 nm at laser energy 300, 500, and 700 mJ, respectively. Transmission electron microscopy (TEM)...

Synthesis of Ag: Through the use of seed-growth approach, stable, pure, and non-toxic core-shell Au nanoparticles (NPs) are prepared as well as optimized, which precedes two steps: the initial step involves preparing silver seeds using a chemical reaction involving Na3C6H5O7, AgNO3, and NaBH4. Following this reduction, the subsequent step involves...

This research study specifically examines the CuO@ZnO nanoparticle core–shell colloidal solution that is produced using Nd: YAG laser ablation. The laser used has pulse energies of 900, 700, and 500 mJ, a wavelength of 1064 nm, and repeated pulses of 200. This work demonstrated the characteristics of a colloidal solution containing CuO@ZnO NP core–...

The magnetite nanoparticles Fe3O4 capped with polyethylene glycol PEG were prepared by hydrothermal method. Due to the successful coating of PEG molecules on the surface of Fe3O4, these nanoparticles exhibited excellent dispersibility and dissolvability in physiological condition. The obtained nanoparticles were characterized by transmission electr...

Our research involved the synthesis of a double core-shell structure using gold and silver NPs. The core material used was gold. The initial shell had a silver coating, while the subsequent shell was encased in gold. The wavelength of the laser was 1046 nm and was employed, along with 250 pulses at a frequency of 1 Hz, delivering an energy of 500 m...

In this research, the production of zinc oxide nanoparticles (ZnO NPs) was made using various pulsed laser ablation energy (PLA) embedded in substrates made up of porous silicon (PS). The PS substrates were created using the photoelectrochemical etching (PECE) technique of Si n-type (111). The research examined the impact of pulse laser ablation en...

This study presents the preparation and characterization of an Au-NPs/PS photodetector. Au nanoparticle was synthesized through pulsed laser ablation in water, whereas porous silicon substrate was produced using a photo-assisted electrochemical etching. The optical, structure, and electrical properties of Au-NPs/PS devices as a function of laser en...

In the present work, we used a pulsed laser deposition technique to embed TiO2 nanostructure on porous silicon substrates using a pulsed laser deposition process. Nanocrystalline porous silicon was synthesized using the photo-assisted electrochemical method. The study analyzed the optoelectronic characteristics of double junctions of TiO2/PS/n-Si s...

The synthesis of Au@NiO nanoparticles (NPs) core–shell involves a two-step method via laser ablation in aqueous solutions. Meanwhile, porous silicon is obtained using photoelectrochemically etching (PECE) of n-type silicon. The nanostructured Au@NiO deposited on a porous silicon layer is demonstrated using field-emission scanning electron microscop...

The combination of common semiconductors with porous materials has the potential to augment the splitting of electrons and holes, hence increasing the efficiency of photodetectors. In the current study, we present the efficient fabrication of photodetectors consisting of vanadium pentoxide (V2O5) and macroporous structures via the pulsed laser depo...

In this study, the properties of the porous silicon (PS) photodetector were improved by depositing Au@In2O3 (core-shell) nanoparticles on the surface of PS. The Au@In2O3 NPs were prepared using the pulsed laser ablation in liquid (PLAL) technique at different laser energies of 500, 700, and 900 mJ, using a Nd:YAG laser with a wavelength of 1064 nm....

Ag:Au nanoparticles are prepared and studied in the form of pure, stable, highly concentrated, and non-toxic core–shell; the method of preparation was the seed growth method which involves preparation of silver seeds and is done via a chemical reaction between AgNO3, Na3C6H5O7, and NaBH4 to produce them; the next step was done by another chemical r...

This study investigates the impact of laser pulse energy (500 mJ/pulse) on silver, gold, and silver@gold NPs and deposited on porous silicon. The objective is to assess their effects on structural, optical, morphological, and electrical properties, aiming to identify optimal conditions. Nanoparticles are produced through the technique of pulsed las...

In this study, a simple method for creating palladium nanoparticles (Pd NPs) using laser ablation in a liquid medium at a wavelength of 1064 nm at different laser energies, 360, 660, and 800 mJ by 200 pulses, was investigated. The aim was to determine the differences in the structural and physical characteristics of the samples and examine the resu...

In this study deposited zinc oxide (ZnO) nanostructures were prepared by pulsed laser deposition (PLD) technique on porous silicon (PS) substrates that were prepared via photoelectrochemical etching of silicon n-type (100). The study investigated the influence of laser energy on various characteristics of the fabricated devices, including their opt...

In this work, the synthesis and characterization of gold nanoparticles (Au NPs) were performed by pulsed laser ablation in liquid (PLAL) technique at different laser energies (500, 700, and 900 mJ) using Nd:YAG laser Q-switching wavelengths (1064 nm) and then deposited on porous silicon (PS). The PS was prepared using the electrochemical etching (E...

The influence of a 0.5 T magnetic field on the size distribution of Au:TiO2 NPs produced by considering pulsed laser ablation in the cetrimonium bromide (CTAB) was investigated. The magnetic field was parallel to the surface of a submerged target and transverse to the direction of incidence of the laser radiation. To ablate the target, an Nd:YAG la...

In this work, palladium nanoparticles (Pd NPs) are synthesized by laser ablation in liquid (PLAL) with wavelength 532[Formula: see text]nm (second harmonic Nd:YAG laser) at different laser energies 360, 660, and 800[Formula: see text]mJ with 200 pulses and an electric coil is used to generate a magnetic field. The resulting nanosolution was deposit...

Nanomaterials can be employed in various medicinal industries because of their unique characteristics versus bulk materials. Nanosized particles of Titanium dioxide were fabricated using the laser irradiation technique in this work. After production, the physical properties of Titanium dioxide were identified by Ultraviolet–visible (UV–Vis) spectro...

Zinc oxide nanoparticles (ZnO NPs) were formed in the present paper, employing a pulsed laser irradiation approach on a pure zinc target surrounding double deionized water. The structure, morphology, chemical bonding, and optical characteristics of prepared ZnO nanoparticles were investigated using X-ray diffraction, transmission electron microscop...

In this investigation, n-type (100) silicon wafers with a thickness of 600 ± 25 μm and resistance of 0.1-100 μΩ were used to manufacture porous silicon. With the aid of hydrofluoric acid (HF) with a 20% concentration, a current density of 20 mA/cm2, and various experimental drilling times of 5, 15, and 25 minutes with the fixation of other paramete...

In recent years, vanadium pentoxide (V2O5) nanoparticles (NPs) have attracted considerable interest due to their potential medicinal applications, including cancer therapy, antibiotic resistance and antibacterial activity. Manufacturing V2O5 NPs is a crucial step in developing these applications, and laser ablation in solution has proven to be a pa...

In this work, palladium (Pd) nanoparticles (NPs) were synthesized using laser ablation in liquids (LAL) at laser energies of 360, 660, and 800mJ and a laser wavelength of 1064nm with 200 pulses per shot. The Pd nanoparticle suspension deposited on porous silicon (PS) was investigated. X-ray diffraction (XRD) was used to determine the crystal struct...

In this study, we synthesize Pd NPs by laser ablation in liquid with a wavelength of 532 nm and two energies of 360 and 800 mJ, and study the difference between them. In XRD diffraction, the crystal size increases by 21.7 and 24.21 nm, while the morphology of the Pd nanospherical in the TEM and SEM see average particles 19.4 and 27.5 nm, UV–vis spe...

In the current study, SnO2 nanoparticles were fabricated using laser ablation in water and characterized using ultraviolet-visible (UV-vis) spectroscopy, Fourier transform infrared spectroscopy (FTIR), transmission electron microscopy (TEM), and X-ray diffraction (XRD). The XRD results showed that the fabricated nanoparticles had a tetragonal cryst...

This study presents a comprehensive look into the potential therapeutic, antibacterial, and anticancer properties of a nanocomposite (NC) of gold (Au) and zinc oxide (ZnO). In this study, we analyzed the adherence between Au nanoparticles (NPs) and ZnO NPs. X-ray diffraction analysis showed high crystallinity and small crystallite sizes of Au NPs a...

In this study, palladium (Pd) nanoparticles were prepared using a laser ablation method and investigated using XRD, transmission electron microscopy (TEM), microscopic atomic force (AFM), UV-vis, PL, and various We investigated the fabrication of gas sensors with laser energy, Pd nanoparticles were generated by laser ablation in liquid applying a m...

Gold-titanium dioxide nanoparticles (Au-TiO2 NPs) were synthesized via pulsed Nd:YAG laser ablation in the CTAB under the influence of an external magnetic field produced. Scanning electron microscopy (SEM), X-ray diffraction (XRD), UV–Vis spectroscopy, and transmission electron microscopy (TEM) have been utilized in order to analyze Au-TiO2 NPs. T...

صممت الدراسه الحاليه لمعرفة التاثيرالسمي للجسيمات النانوية للسليكون المسامى المحضرة بطريقة التنميش الكهروكيمياوي و الليزر النبضي (الاندياك ) على مكونات دم الانسان. تم الاستدلال على الحصول على الجسيمات النانوية للسيلكون المسامي باستعمال الخواص التركيبة والبصرية وذلك من خلال قياس الامتصاصية اللونية واستعمال تقنيات المجهر الالكتروني الماسح. تم دراسة ت...

In this study, we used the pulsed laser ablation (PLA) method to make Au:MgO nanoparticles on porous silicon (PS) substrates. The optical characteristics, crystallinity and surface morphology of generated Au:MgO nanoparticles have been investigated with utilizing XRD, TEM, AFM, UV–Vis, PL and fabrication of gas sensors examined at various laser ene...

Laser ablation technique in solution has been advanced to achieve single step synthesis of varied gold: oxide nanocomposites with uniform morphology and supreme dispersibility. The core:shell Au:CdO nanoparticles were manufactured by using fundamental Nd:YAG laser (1064 nm) at several energy of laser 600, 800 and 1000 mJ/ 100pulses, after that depo...

The purpose of this study is to explore if nanostructured Au–TiO2 particles can replace traditional, bulkier materials in gas sensing applications. Then use a Nd-YAG laser with a wavelength of 1064 nm, number of shot 500 pulse, and 500 mJ, 660 mJ, and 820 mJ laser ablated energy, the pulsed laser deposition technique has been widely used to prepare...

This study investigated for the first time a simple bio-synthesis approach for the synthesis of copper oxide nanoparticles (CuO NPs) using Annona muricata L (A. muricata) plant extract to test their anti-cancer effects. The presence of CuONPs was confirmed by UV–visible spectroscopy, Scanning electron microscope (SEM), and Transmission electron mic...

This work focuses on photodetector Au:MgO nano-particles (NPs) have been prepared by laser ablation at various laser energies then deposited on porous-Si (PS). PS are produced with the use of the photo-electrochemical etching approach for n-type crystalline Si wafers of (100) orientation. XRD, scanning electron microscope, UV–visible spector-photom...

The aim of this research study is the effect external magnetic field on the structural, morphological, electrical and optical properties of Au@TiO2 films grown under various laser pulse energy 500, 660, and 820 mJ/pulse, as well as its potential for photodetector application. This process was carried by second harmonic 532 nm a Q-switching Nd:YAG l...

In the present paper, preparation and characterization of Palladium (Pd) NPs with laser ablation, from palladium target in die-ionize water at various values of laser pulse energy 360, 660 and 800 mJ with 200 shots via 532 nm laser wave-length. Prepared porous silicon (PS) layers from n-type with orientation (100) through the PECE (i.e. photo-elect...

This work focuses on photodetector Au:MgO nano-particles (NPs) have been prepared by laser ablation at various laser energies then deposited on porous-Si (PS). PS are produced with the use of the photo-electrochemical etching (PECE) approach for n-type crystalline Si (c-Si) wafers of (100) orientation. XRD, scanning electron Microscope (SEM), UV-vi...

In this study, a novel, simple method has been used for fabricated of Au:TiO2 nanoparticles. The manufacture consisted of two steps: first, ablating a gold (Au) target immersed in CTAB solution to produce colloidal Au NPs and then inserting a titanium (Ti) target in the solution to prepare Au:TiO2 NPs via laser ablation in liquid (LAL) at various l...

At room temperature (RT), Tin dioxide ( SnO2) nanoparticles (NPs) have been created through pulsed laser ablation (PLA) of tin in various liquid mediums. FTIR, TEM, electrical characteristics and UV–Visible absorption spectrum were used for investigating the particle properties. The prepared material is spherical NP, with size and size dispersion a...

Photoelectrochemical etching (PECE) was used to prepare porous silicon (PS) layers of polished surfaces of (100) n-type silicon wafers with a resistance of 0.1-100 μm and thickness of 600 ± 25 μm. The directed slices are to be catalyzed at different etching times (5, 15, 25 min) with a constant Hydrofluoric acid of 20% and with a fixed current dens...

Nanoparticles of gold with zinc oxide (Au@ZnO NPs) were prepared by laser ablation and then capped with curcumin nanoparticles (Cur-Au@ZnO NPs). The synthesized NPs were characterized using different techniques, including transmission electron microscopy (TEM), Fourier-transform infrared spectroscopy (FTIR), UV-visible spectroscopy, and X-ray diffr...

This article aimed to report the results on the properties of Gd2O3/(CZ-pSi) diodes under various gamma ray irradiation dose rates (3, 6, 12, 18, 24, 30, 36, 42, 50 Gy). n-type Gd2O3 films were deposited on a p-type Czochralski-grown monocrystalline silicon (CZ-pSi) wafers by pulsed laser deposition (PLD) technique with varying building laser energ...

Colloidal nanoparticles (NPs) of Au:Cd were prepared via laser ablation in liquid with several energies of laser and then were deposited on porous-Si (PS). X-ray diffraction, scanning electron microscopy, UV - visible spectrophotometry and electrical attributes were used to characterise the obtained particles. From photodetector measurements, the s...

The pulsed laser ablation technique is a safe and eco-friendly method, this technique was used to prepare gold (Au) and zinc oxide (ZnO) in two forms, both as core:shell nanoparticles (CS NPs) and a nanocomposite (NC). The absorption behaviour for Au/ZnO NCs and Au:ZnO CS NPs was investigated the UV-visible of Au NPs peak at 525 nm whiles the peak...

ZnO nanostructures have lately been deemed an effective material for fabricating gas sensors, As a result, ZnO nanoparticles are commonly utilized to make effective gas sensors for detecting a variety of hazardous and poisonous chemicals. The current review article focuses on nitrogen dioxide (NO2) gas sensor advances based on ZnO nanoparticles, X-...

In this study, prepared Au:ZnO core-shell nanoparticles (CSNPs) by pulse laser ablation in liquid (PLAL), and succeed to control of growth the ZnO NPs and play a role as a shell decorated on surface of Au NPs as a core. The structure, morphology and visual qualities were examined. The XRD result explained the phase of ZnO NPs was wurtzite structure...

The hydro-thermal ZnO nanostructure synthesis is described in this paper. ZnO nanoparticles have been studied with the use of a scanning electron microscope (SEM), and X-ray diffraction (XRD) confirmed the formation of ZnO's hexagonal structure of the wurtzite. The produced nanostructure's average crystallite size was 21 nm. From UV–Vis absorption...

In the present work, the characterization and preparation of the ZnO nano-particles (ZnO NPs) through the laser ablation in the methanol at a variety of the laser energies 400, 600 and 800 mJ, XRD analysis When the crystal size is inside a nanometer, shows a large diffraction peak, by Atomic Force Microscopic (AFM) study the surface roughness and l...

In this study, synthesis and characterizing of Gold:Zinc Oxide (Au:ZnO) as a core:shell nanoparticles (CSNPs) has been prepared via Laser Ablation at various Laser Pulses Energy 400, 600, and 800 mJ with 200 strokes. Further confirmation of the production of Au:ZnO CSNPs by analyzing the structural and optical properties from aggregated Au:ZnO. CSN...

In this work, n-type porous silicon (n-PS) was fabricated via photoelectrochemical etching (PECE) method with different etching current densities, including 5, 10, 15, 20, and 25 mA/cm2 at constant concentration of HF about 20%. The suspension mixture of standard copper oxide nanoparticles (CuO-NPs) was prepared by dissolving 0.2 g of CuO powder in...

In the present study, synthesis and characterization of Zinc Oxide (ZnO) nano-particles with the pulsed laser ablation (PLD), from a zinc metal target in methanol at a variety of the laser pulse energy values 400, 600 and 800 mJ with 200 shots and 1064 nm laser wavelength. Porous silicon (PS) layers were prepared from n-type silicon with orientatio...

Gold with Zinc Oxide nanoparticles (Au@ZnO NPs) were prepared by laser ablation then capped with Curcumin nanoparticles. The ability of Nano-curcumin-Au/ZnO nanocomposite as a promising antibacterial agent was tested against Staphylococcus aureus . Cur-Au@ZnO NPs were characterized by TEM, FTIR spectroscopy, and Uv-spectroum. TEM image of Au@ZnO NP...

The effectiveness of applying an external magnetic field in the C:Se/PS was studied nanoparticle (NPs) synthesized in a laser wavelength generated by a Q-switched- laser via pulsed Laser Ablation in 1064 nm. The pattern of the X-ray diffraction (XRD) had indicated the nano-crystaline of specimens. Results of the Atomic force microscope (AFM) analys...

The presented study synthesized C:Se NPs via a combination of the laser along with magnetic field at various laser pulse energies 200, 600 and 1000mJ with 100 shots, have been deposited on the porous silicon (PS) through the use of drop-casting method. The pattern of the X-ray diffraction (XRD) had indicated the nanocrystaline of specimens. In Atom...

In this work, Carbon:Selenium (C:Se) nanoparticles (NPs) are preparation by laser ablation at diverse laser energy 200, 400, 600,800 and 1000 mJ with 100 shots and laser wavelength 1064 nm then deposited on porous silicon (PS).PS are fabricated using electrochemical etching (ECE) method for p-type crystalline silicon (c-Si) wafers of (100) orientat...

In this work, synthesis and characterizing of carbon: selenium nanoparticles (C:Se NPs) are synthesized by laser ablation Q-switched Nd:YAG laser with wavelength of 1064 nm at different laser pulses energy 200, 600 and 800 mJ with 100 shots and porous silicon (PS) was presented. X-ray diffraction (XRD) was utilized for examining the structural prop...

In the current study, polyethylene glycol (PEG) was employed to cap super magnetite nanoparticles (Fe3O4 NPs) through hydrothermal preparation. The main goal of this study is to investigate the infuence of physical incorporation of polyethylene glycol (PEG) loaded Fe3O4. The anticancer potentials of these particles were studied against breast cance...

This work aim to achieving laser nano-textured Si structures by means of an ultra-fast ultra-violet femtosecond (fs) laser texturing technique. The evidences of the impact of the duration of irradiation of the femtosecond laser pulses on Silicon (Si) have been investigated experimentally. A Ti:Sapphire laser at 800 nm (130 fs pulse duration with 1...

A synthesis is carried out with Au-ZnO nanoparticles (NPs), using fundamental laser Nd:YAG (1064 nm) of Au and ZnO colloidal solution, with the metal objectives in deionized water being extracted, accompanied by laser radiation a second harmonic Laser 532nm with the mixed colloidal solution, The UV-visible display the Au nanoparticle peak at 525nm,...

The preparation of Au-ZnO nanocomposite involves the synthesis of Au and ZnO colloidal solutions by Nd:YAG laser (1064nm) ablation of metal targets in deionized water followed by laser irradiation of the mixed colloidal solution by a second harmonic Nd:YAG laser (532nm). The UV-visible show the gold nanoparticle (NPs) peak at 525nm while the peak o...

Q-switch Nd: YAG laser of wavelengths 235nm and 1,460nm with energy in the range 0.2 J to 1J and 1Hz repetition rate was employed to synthesis Ag/Au (core/shell) nanoparticles (NPs) using pulse laser ablation in water. In this synthesis, initially the silver nano-colloid prepared via ablation target, this ablation related to Au target at various en...

In this work, copper substituted cobalt ferrite nanoparticles Co 1-x Cu x Fe 2 O 4 (×=0, 0.3, and 0.7), has been synthesized via laser assisted hydrothermal synthesis (LAHS) methods. The XRD patterns showed single phase spinel structure, comparative study between the two preparation methods, effect of laser irradiation on the structural properties,...