Search all articles

ZnO thin films have been deposited on ITO substrates by pulsed laser deposition at various laser pulse energies. The crystalline structure, surface morphology and optical properties of ZnO thin films were characterized by X-ray diffraction (XRD), atomic force microscope (AFM) and UV-Visible measurements....

A facile method to control the synthesis of zinc glycinate is described. Zn(Ac)2 and ZnO are used as zinc source, and H+ is used as catalyst. The composition and structure of the chelate compounds are characterized by infrared spectroscopy(IR), thermogravimetric analysis(TGA) and x-ray powder diffraction(XRD)....

The aluminum doped ZnO thin films were prepared on quartz glass substrates by RF magnetron sputtering at room temperature with varying sputtering pressure. As the sputtering pressure increased, the crystallinity of AZO thin films improved and the surface crystallite size increased. The optimized AZO...

The formation energy, electronic structure, density of states and optical properties of ZnO doped by Mg in substitutional and interstitial positions are studied. It is found that the band gap of ZnO is enlarged by doping Mg in the substitutional position, and the ZnO doped by interstitial Mg becomes...

Nano-ZnO is a typical engineered nanomaterial, which is used in many fields. With its mass production and wide application, more and more nano-ZnO discharge into the water body. Water ecological environment is facing a huge threat. This article summarizes the toxic effects of nano-ZnO on different types...

Since transparent conducting oxides can be as a buttom layer of complex film electrodes, electrodeposition technique may produce ZnO films depending on variety conditions and modified surface layers of substrates in electrochemical procedures. Here we invested the structure and morphologies of ZnO films...

This article mainly introduced the desulfurization effect of different desulfurizer on coal under the same condition. The results showed that: in the single metal oxide desulfurizer, CaO desulfurization effect is obviou; the compound desulfurizer ZnO-CaO desulfurization effect is best, and the two classes...

In order to realize the growth of ZnO/CdS nanorod with high quality, ZnO nanorods were firstly fabricated on glass substrates,and then the synthesis of ZnO/ZnS and ZnO/CdS heterostructures were realized by a chemical conversion method.the field-emission scanning electron microscopy (SEM), X-ray diffraction...

The Zn1-xCoxO powders were synthesized by solid-state reaction at different annealing time and annealing atmosphere. The effects of annealing time and annealing atmosphere on the structure, morphologies and infrared emissivities have been investigated by X-ray diffraction (XRD), scanning electron microscopy...

The present work reported and discussed the results of investigation of employing nano-ZnO and general ZnO (AR grade) to prepare Ni0.15Cu0.35Zn0.5Fe2O4 ferrites. The samples were prepared by using conventional ceramic processing route and sintered between 1150-1250oC. The comparison of sintered samples...

A superhydrophobic ZnO/C surface with a carbon morphology derived from a wood template was fabricated through a solution immersion process, sintering, and modification by FAS. The distribution of zinc oxide on the carbon substrate surface was controlled by changing the mass fraction of Zn(NO3)2. After...

This paper used magnetron sputtering to grow ZnO film on Al2O3 substrate. All the samples were characterized by X-ray diffraction (XRD), atomic force microscope (AFM), ultra-violet spectrometer (UVS) and photoluminescence (PL). Results showed that: the doped ZnO thin films were still had the hexagonal...

Ce-doped ZnO thin films were deposited on simple glass substrate and SiO2 substrate by sol-gel technique. The characteristics were studied by X-ray diffraction (XRD), atomic force microscope (AFM) and photoluminescence (PL) spectroscopy, respectively. The X-ray diffraction (XRD) experiments shows that...

Transparent conductive thin films of aluminum-doped zinc oxide (ZAO) were prepared by radio-frequency magnetron sputtering with ZAO (98 wt% ZnO, 2 wt% Al2O3) as the ceramic target. The visible transmittance was investigated by ultraviolet–visible spectroscopy, the carrier concentration and Hall mobility...

Researchers propose and demonstrate Sodium Zinc Molybdenum Tellurite glasses (Na2O-ZnO-MoO3-TeO2 or NZMT) as suitable hosts for rare earth ion thulium (Tm3+) operating at 1.47 mm wavelength. The density, the refractive indices, the optical absorption have been measured. The Judd-Ofelt intensity parameters...

Er3+-doped Li2O-SrO-ZnO-Bi2O3 (LSZB) glasses that are suitable for optical amplifier applications have been fabricated through the conventional melt-quenching method, and the spectroscopic properties of Er3+ in the glasses were characterized. The density, the refractive indices, the optical absorption,...

Speaking as one of the productive language skills and is an important activity in daily activities as meaningful interaction between humans is still not optimal in the Japanese language study program; in terms of verbal communication using Japanese between students and students on campus still very lacking;...

In this paper, the effect of the zinc nitrate concentration on the morphology and optical properties of ZnO nanorod arrays synthesized by hydrothermal method was investigated. The microstructure, morphology and optical properties of the as-prepared samples were characterized by x-ray diffraction (XRD),...

Entering the twenty-first century, Japan has developed an educational culture grounded in the harmonious integration of traditional values—such as practical learning, ethics, and character formation—with modern principles including liberal education, creativity, and democracy. Popular culture in Japan...

Nano-ZnO was successfully synthesized by a sol-gel method with an average size of 26.1 nm. The nano-ZnO was applied to coat the knitted poly(lactic acid) (PLA) fabric with or without further coating using a polyacrylate binder, and the UV protection ability and antibacterial activity of the coated fabric...

The vulcanizing properties, physical performances, and wear behaviors of nitrile rubber (NBR) filled with different kinds of Zinc Oxide (ZnO) were studied in this article. Based on samples preparation, this study provides the vulcanizing properties, physical performances and mechanical properties on...

With the development of nanoscience and nanotechnology industry, nanomaterials have gone into the natural water and it may have some impact ecosystems. This article intends to use nano-silica and zinc oxide different sizes with different concentrations of dispersed in filtered seawater to study the effect...

A novel microporous ZnO/TiO2 heterostructure, which consists of crystalline TiO2 decorated with amorphous ZnO, have been fabricated by a facile one-step synthetic methods. The results showed that the phase composition of the growing units and the intrinsic crystal structure are seriously controlled by...

series of ZnO nanomaterials were synthesized by assistant of sodium lignosulphonate (SLS) using hydrothermal method. And nanoplates, nanoflowers structures of ZnO have been fabricated successfully. XRD SEM and PL were applied to characterize the prepared ZnO. XRD analysis indicated that prepared ZnO...

The structural and electronic properties of BeZnO alloys were investigated by DFT+U method, the Uo,p = 10.2eV for O 2p and UZn,d = 1.4eV for Zn 3d were obtained as the Hubbard U values, using this U values the calculated band-gaps of ZnO and BeO are well consistent with the experimental values.The lattice...

Both two-dimensional (2D) ZnO nanobowl arrays and three-dimensional (3D) ZnO inverse opals were fabricated using hydrothermal method with assistance of the three-dimensional colloidal crystal templates. Scanning electron microscope measurements showed the morphological evolutions of ZnO from rods to...

Since transparent conducting oxides can be as a buttom layer of complex film electrodes, electrodeposition technique may produce ZnO films depending on variety conditions and modified surface layers of substrates in electrochemical procedures. Here we invested the structure and morphologies of ZnO films...

The tin oxide ceramics electrode were prepared by the traditional solid phase sintering method. Influence of different ZnO doping amount on the microstructure and electroconductibility of the ceramics by SEM and XRD and other analytical instrument and the relationship between composition, performance...

Based upon the density functional theory (DFT) in this paper, the first-principles approach is used to study the electronic band structure of Nb-doped wurtzite ZnO with different concentration. Three doped structures were considered: A Nb atom replaced by a Zn atom and two Nb atoms replaced by two Zn...

Dilute Magnetic Semiconductors (DMS) are gaining interest at a very fast pace due to the possibility of their integration with the current semiconductor technology. This research includes preparation and characterization of Mn doped ZnO thin films. Films are prepared through Sol - Gel spinning method....

Potential mechanism of inhibition of Sulfate Reducing Bacteria (SRB) at the presence of ZnO/Tourmaline was further investigated by Density Functional Theory (DFT) calculation. The structure and electronic states analysis quantitatively and qualitatively dictate the selectively catalytic generation of...

ZnO seed layers have been deposited on ITO substrates by pulsed laser deposition (PLD) at different substrate temperatures. The crystalline structure, morphology of ZnO nanowires were characterized by X-ray diffraction (XRD), atomic force microscopy (AFM) and scanning electron microscopy (SEM). The effects...

The low pressure of ZnO varistor ceramics were prepared with 99.5 mol % ZnO +0.5 mol % CaCO3. Subse-quently, placed in a constant temperature conditions of 1420 for 10 h, and cooking in boiling water long enough. The microstructure of the particle size analyzed by optical microscope, the doped ZnO varistors...

The individual ZnO nanowire was prepared through thermal evaporation of ZnO powder. A new test platform which contained the micromanipulator nanoprobe system installed in the scanning electron microscopy (SEM) chamber was introduced for the test of the mechanical properties of individual ZnO nanowire....

This paper examines the rise of “New Painting” (新绘画) in post-millennium China, positioning it as a critical evolution beyond historical movements like Scar Art (伤痕艺术), the '85 New Wave (85新潮), and Political Pop (政治波普). Rather than a unified style or manifesto, New Painting embodies a radical subjectivity—a...

We propose and demonstrate Sodium Zinc Molybdenum Tellurite glasses (Na2O-ZnO-MoO3-TeO2 or NZMT) as suitable hosts for rare earth ion Holmium (Ho3+) operating at 1.2?m and 1.37?m wavelength. The density, the refractive indices, the optical absorption have been measured. The Judd-Ofelt intensity parameters...

Zinc oxysulfide (ZnO₁₋ₓSₓ), a ternary mixed-anion semiconductor, offers unique opportunities for bandgap engineering between ZnO (3.37 eV) and ZnS (3.68 eV). In this work, ZnOS thin films synthesized by pulsed laser deposition (PLD) at substrate temperatures of 723 K and 813 K were comprehensively characterized...

the functional film is the development and application of nanotechnology, along with the development of computer, semiconductor, solar energy and other industries, a related functional materials -- transparent conductive oxide thin films produced, developed, researching on ZnO: Al ZnO films doped with...

A nano ZnO/polyaniline composites was obtained in situ polymerization of polyaniline nano zinc oxide surface, using ammonium persulfates as the oxidant, through a silane coupling agent KH550. And the secondary Doped Nanometer ZnO/polyaniline was obtained using HCl, phosphoric acid and sulfosalicylic...

Zinc Oxide (ZnO) is a relatively soft material with an approximate hardness of 4.5 on the Mohs scale. Its elastic constant is smaller than that of the relevant semiconductor. The purpose of conducting this research was to determine the effect of zinc Oxide on the impact strength of polymeric foam composite...

Micrometer scale hollow ZnO dandelions organized by ZnO nanorods were prepared by single-step hydrothermal process. The diameter of the nanorods with the pencil shape tip is estimated to be 150-500nm. The length of the nanorods is more than 2 m. Structure analysis indicated that the as-prepared products...

The present work reported and discussed the results of investigation of employing nano-ZnO and general ZnO (AR grade) to prepare Ni0.5Zn0.5Fe2O4 ferrites. The samples were prepared by using conventional ceramic processing route and sintered between 1150-1250oC. The comparison of sintered samples made...

Zinc oxide (ZnO) nanoparticles have emerged as promising materials in tribological applications due to their eco-friendliness, cost-effectiveness, and versatility. This study presents a bibliometric analysis using Scopus-indexed sources, combined with a comparative review of peer-reviewed experimental...

Palm oil plays a vital role in Indonesia's economy, with production reaching 45.58 million tons in 2022. However, the increase in palm oil production also leads to the generation of palm oil mill effluent (POME), which poses a potential environmental threat. POME contains high levels of chemical...

La-doped ZnO thin films were deposited on the substrates of slide glass and Si by sol-gel method. The La/Zn ratio was 1%, 2%, 3%. All the samples were characterized by X-ray diffraction (XRD), atomic force microscope (AFM), ultra-violet spectrometer (UVS) and photoluminescence (PL). All the samples have...

In this study, we have prepared ZnO nanoparticles and investigated their structural as well as photocatalytic degradation of methylene blue (MB). Herein, we have explored the synthesis of ZnO nanoparticles at different calcination temperatures (500 ℃ and 600 ℃) by using ZIF-8 as a precursor, which is...

Dimethyl Ether (DME) is an alternatives energy that can be synthesized through a direct process from syngas (CO and H2) with utilizing Cu-ZnO/Al2O3-HZSM-5 as a hybrid catalyst. Direct synthesis DME technology is relatively new technology by utilizing syngas that can be derived from gasification of biomass...

A novel ternary metal oxide nanocomposite (SrFe12O19/TiO2/ZnO) was synthesized using the sol-gel method for malachite green dye degradation. The absorption maximum was determined by ultraviolet-diffuse reflectance spectroscopy (DRS), revealing a bandgap of 2.29 eV. Fourier transform infrared spectroscopy...

The ZnO nanorod films were synthesized using zinc acetate-sodium hydroxide aqueous solutions under different synthesis conditions. The effect of synthesis conditions on structural properties and morphology of ZnO films was investigated using field emission scanning electron microscopy and X-ray diffraction....

Organic light emitting devices (OLED) with the structure of ITO / TPD / Alq3 / ZnO / Al were prepared by vacuum thermal evaporation method. By establishing multi-layer structure model, we discussed the influence of Alq3 deposition thickness and ZnO buffer layer on the photoelectric performance of the...