Abstract The effect of the substrate temperature deposition copper oxide prepared by chemical spray pyrolysis technique was studied. XRD measurements show that all films are polycrystalline structure with predominant phase(-111). crystallite size increase increasing temperature. AFM images in 1-D and 2-D shows CuO nanostructure were shape curly sticks growing a vertical column at an average height 2.00 nm radius 40 - 50 nm. These nanostructures 3% sample gets higher up to 9.00 value optical...

Abstract Various thin films of cadmium sulfide doped with different weight ratios (wt %) indium (CdS: In), were prepared on glass substrates by Spray pyrolysis technique (SPT), The Microstructural, topography and optical characteristics studied. Pure In 1%. results obtained revealed that the growth toward single crystalline hexagonal- cubic phases. dominant reflection is in direction (101) plane a size 47.55 nm, which calculated utilizing Scherrer equation. increase to 3% tends structure be...

Structural and optical properties of undoped NiO Li doped thin films at a volumetric content (1% 3%) by spray pyrolysis (SPT) were thoughtful. X-ray diffraction patterns indicate that deposited are cubic polycrystalline with dominant peak (101) plane. The study assure doping did not affect the structure or peak. Average crystallite size was set to be in range 11.08– 21.76 nm an average roughness (0.33-0.59) evaluated atomic force microscopy. Transmittance values reaches 85% Vis-NIR regions....

In this work, well-oriented and homogeneous titanium dioxide (TiO2) nanorods (NRs) was synthesized by hydrothermal method. method, vertically aligned arrays of TiO2 were built on the conductive Fluorine–Tin–Oxide (FTO) glass substrate. Nanoparticles showed a tetragonal shape with square top face, according to image field emission scanning electron microscope (FE-SEM). The NRs are polycrystalline, having two phases: rutile anatase, X-ray diffraction (XRD) analysis. optical properties...

Abstract Nanostructured copper oxide (Cu 2 O) and cobalt doped (Co:Cu O)thin films were prepared at varying doping by spray pyrolysis technique(SPT). X-ray diffraction patterns investigate t structural properties. Surface topography was studied using Atomic Force Microscopy (AFM). Transmittance spectra determined a UV-Vis spectrophotometer the results showed that pure Co Cu O Nanostructures have bandgap values between (2.56 - 2.85) eV.

Abstract Zirconium oxide (ZrO 2 ) and doped with boron (B) thin films were prepared by Chemical spray pyrolysis CSP. Optical band gap energy of the decreased from 3.83 to 3.73.55 eV via increase doping. X-XRD patterns disclosed that structure polycrystalline, mixture monoclinic tetragonal phases. Atomic force microscopy (AFM) results assure dependence surface morphology roughness upon

Abstract In this work, pure ZnO and La-doping nanoparticles were synthesized by using Sol-Gel technique followed heat treatment calcinated at 450 °C for 3 h. The resulting samples characterized elemental analysis, like a XRD, FTIR FESEM structural morphological properties study the influence of different percentages La to after calcination as well improving small size crystalline doping especially 0.50% 0.75% La. effect (0.25, 0.5 & 0.75%) doped evaluated against gram negative ( E. coli...

Abstract Pure and Barium doped Cadmium Sulphide (CdS) thin films are grown by the chemical spray pyrolysis (CSP) technique. The characterized using X-ray diffraction (XRD), UV-VIS spectroscopy Atomic Force Microscope (AFM). XRD shows that pure polycrystalline. average grain of was found to increase with doping. optical investigation a small decrease in bandgap value for films. 2% 4% Ba were have 2.43eV 2.5 eV respectively.

The present work is concerned with the preparation of thin films nanocrystalline porous silicon (PSi) by method electrochemical etching. CdTe nanoparticles (NPs) have been prepared utilizing pulsed laser ablation in liquid. measurements tunneling microscopy, X-ray diffraction (XRD), Fourier transformation infrared spectroscopy (FTIR) and atomic force microscopy (AFE) were carried out revealed that PSi was nanostructured produced NPs ball shaped, having good disposability. diffusion on...

Nanoparticles NP S of cadmium oxide CdO were generated by laser ablation a solid target (cadmium) in polyvinylpyrrolidone (PVP) solution. colloidal nanoparticles have been synthesized Nd:YAG (1064 nm, 100 pulses, pulse energy= 400 mJ) when the was immersed PVP. Structure, topography and optical properties studied using X-ray diffraction (XRD), atomic force microscope (AFM) UV-Vis absorption respectively.

Chemical spray pyrolysis (CSP) was used to prepare pure Titanium dioxide and TiO2:Zn thin films. The base temperature of the prepared films held at 450°C during deposition. as-deposited had a polycrystalline structure with strong peak along (121) plane, according XRD data. Furthermore, Using an Atomic Force Microscope, surface topography examined (AFM). AFM images depicted average particle size nanostructures. In visible field, transmittance TiO2 found be about 70%. band gap for is reduced...

This work presents the effect of Cu-doping on Urbach energy and dispersion parameters Cu:NiO thin film prepared by spray pyrolysis technique. UV-Visible spectrophotometer in range 380-900 nm used to determine absorbance spectra for various film. The optical conductivity increased with increasing films. Dispersion that studied are decreased while increased.

In this study, Al/SnS/PS/n-Si/Al photodiode was fabricated and investigated. SnS thin film were prepared by thermal evaporation technique on porous silicon layer which anodization at 32mA/cm 2 etching current density time 15min.The characteristics of investigated using x-ray diffraction XRD, atomic force microscopy AFM, Fourier transformation infrared spectroscopy FT-IR.Dark illuminated current-voltage I-V characteristics, spectral responsivity, specific detectivity after depositing....

Tin oxide (SnO[Formula: see text] nanostructure thin film was synthesized on glass and FTO substrates at 450 ∘ C with flow rates of Argon oxygen (8[Formula: text]L/h) using the atmospheric pressure chemical vapor deposition (APCVD) method. The surface morphology, structure optical properties SnO2 were depicted by Field Emission scanning electron microscopy (FE-SEM), X-ray diffraction (XRD) UV–Visible (UV–Vis) spectroscopy, respectively. band gap SnO 2 found to be 3.72[Formula: text]eV. In...

Abstract In this work, SnO 2 paste was prepared based on (0.1 and 0.12 g) of nanoparticles. The film deposited using Screen printing doctor blade techniques, which it employed as scattering layer in Dye-Sensitized Solar Cell (DSSC). crystal structure, morphology, thermal stability the were investigated XRD, FE-SEM, TGA techniques. DSSC parameters achieved to examining effect performance DSSC. results showed a crystalline structure predominantly composed rutile crystals arranged tetragonal...

Pure ZnS and Co-doped thin films were grown using Chemical Spray Pyrolysis (CSP)Technique, the concentration of Co doping level (1% 3%). The hexagonal crystal structure was present in all as shown by X-ray diffraction (XRD) films. Atomic Force Microscopy (AFM) revealed that film surface homogeneous. Optical properties undoped optical bandgap energy (Eg) doped indicated a reduction with root ferromagnetic order at low temperatures (5 K 100 K) could be traced back to point defects like, zinc...

ZnO and ZnO:Cr films were grown by the chemical spray deposition (CSD). The effect of Cr content on was studied. All show polycrystalline, hexagonal wurtzite structure, with (002) dominant plane. AFM displayed that have a compact surface, its root mean square roughness increased percentage. average diameter smaller than 64 nm. optical bandgap evaluated using Transmittance data. Their values found to be decreases via increment in doping.

ZnO production nanostructure using different method: first method, electrochemical deposition on Zn foil 0.3 M zinc sulfate heptahydrate (ZnSO4·7H2O) and sulfuric acid aqueous solution at a current density of 30 35 mA/cm2 for time 40 min room temperature second foils were thermally oxidized in conventional tube furnace equal range 700–900 °C air 5 h or less static to prepared semiconductor nanomaterials nanorods, nanotetrapods nanoplane. The XRD diffraction higher intensity peaks (101) (002)...

Abstract Nanostructured Nickel oxide (NiO) and NiO doped with 2% 4% Au were prepared via spray pyrolysis technique (SPT). Structure, surface morphology, optical properties evaluated XRD, AFM UV-VIS spectrometer. Results indicate that all thin films polycrystalline the peaks at 37.28° 43.29° corresponding to (111), (200). The image shows average diameter 73.5nm roughness 0.76 nm. Optical measurements show band gap decrease increase doping of (2.88, 2.75 2.39) eV.

Abstract Zirconium oxide (ZrO 2 ) and Cu doped ZrO films were grown successfully by spray pyrolysis deposition (SPD). The structural, surface morphology optical properties analyzed. XRD patterns reveal polycrystallinity monoclinic phase intensity of with preferred orientation along M (111) plane increasing doping. grain size was found to increase from 25 nm 29.83 in AFM images assure that nanostructure the roughness depend on doping concentration. bandgap energy decreases 3.2 2.6 eV