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Nanopiezoelectric Devices for Energy Generation Based on ZnO Nanorods/Flexible-Conjugated Copolymer Hybrids Using All Wet-Coating …
In this study, nanopiezoelectric devices based on ZnO nanorod array/conducting polymers are fabricated for wearable power generation application. To replace the inorganic rigid indium-tin oxide (ITO) conducting coating commonly used in the nanogenerator ...
Durable Epoxy@ZnO Coating for Improvement of
The durability of epoxy@ZnO coating on wood surfaces can contribute to sound surface stability, which is necessary for outdoor applications, where the wood surface may be degraded by natural weathering conditions, such as rain, wind and UV-light irradiation.
ZnS coating for enhanced environmental stability and improved properties of ZnO …
Low environmental stability of ZnO nanostructures in hydrophilic systems is a crucial factor limiting their practical applications. ZnO nanomaterials need surface passivation with different water-insoluble compounds. This study describes a one-step passivation process of polycrystalline ZnO films with ZnS as a faci
Al-doped ZnO-coated LiCoO2 thin-film electrode: Understanding the impact of a coating …
The local electronic structure of pristine uncoated and Al:ZnO - coated LiCoO 2 electrodes was studied using EELS (Figs. S2 and S3) the case of the pristine uncoated LiCoO 2 electrode, the core-loss EELS spectra, acquired from the electrode surface and bulk areas, show that no reduction of the Co ion oxidation state occurred since no chemical shift of …
Cytotoxicity of cultured macrophages exposed to antimicrobial …
Zinc oxide (ZnO) is a widely used commercial material that is finding use in wound healing applications due to its antimicrobial properties. Our study demonstrates a novel approach for coating ZnO with precise thickness control onto 20 nm and 100 nm pore diameter anodized aluminum oxide using atomic layer deposition (ALD).
Effect of surface ZnO coatings on oxidation and thermal stability …
The results indicated that the surface ZnO coatings were disadvantageous for the further oxidation of Zn films, i.e., the ZnO coatings as a slipcover effectively protected the Zn films [10]. The possible reason is in that ZnO layers bound by ionic bonds confine the migration of Zn and O atoms, resulting in no fluent channel for the chemical bonding of Zn and O …
A review on ZnO: Fundamental properties and applications
At the four corners of tetrahedron, each one O 2– anion is bounded by four Zn 2+ cations in the hexagonal structure of ZnO crystallizes. The wurtzite structure is created of two interrelating hexagonal close packed (hcp) sub lattices of cation (Zn 2+) and anion (O 2–), every one of which contain of one kind of atom shifted with respect to each other beside …
Loading of Zn/ZnO particles in the precursor feedstock affects the ...
Nanotechnology PAPER Loading of Zn/ZnO particles in the precursor feedstock affects the characteristics of liquid plasma sprayed nano-ZnO coatings for photocatalytic applications To cite this article: Kuan Chen et al 2020 Nanotechnology 31 185301 View the article online for updates and enhancements. This content was downloaded from IP address …
Sustainability | Free Full-Text | Mitigating UV-Induced …
This study explores the enhancement of silicon-based solar cell performance and durability through the application of zinc oxide (ZnO) nanocomposite film coatings. Utilizing the …
Facile preparation of a robust, transparent superhydrophobic ZnO ...
@article{Liu2023FacilePO, title={Facile preparation of a robust, transparent superhydrophobic ZnO coating with self-cleaning, UV-blocking and bacterial anti-adhesion properties}, author={Ying Liu and Lian Zhang and Jing Hu and Bo Cheng and Junlong Yao and Yong Huang and Hao Yang}, journal={Surface and Coatings Technology}, …
Green synthesis of ZnO nanoparticles decorating electrospun …
After ZnO coating is applied to PAN nanofibers, the EABF value decreases by approximately 100-fold, whereas at the highest MFP levels, the EBF value decreases by 1000-fold. As previously stated, the results indicate that the radiation shielding capability of ZnO embellishment is considerably greater than that of PAN nanofiber.
Ni-Doped ZnO-Chitin Composites for Anti-Corrosive Coating on …
Application of biopolymers as biomaterials has greatly impacted the development of modern medicine. Specifically, biopolymers have a lot of applications in biomedical field because of its capability to tie through bone and soft tissues. Present study shows Zn alloy improves biocompatibility and the corrosion resistance ability when it is coated with Chitin-Ni …
Air Plasma-Nano ZnO Coating Improves the Impact Resistance …
ABSTRACT In this study, air plasma and ZnO coating was used to modify ultra-high-molecular-weight polyethylene fibre (UHMWPE). The surface morphologies of the fibre with and without ZnO coating were examined under an electron scanning microscope (SEM), and the surface chemical composition was studied through X-ray spectroscopy. …
Zinc oxide
Zinc oxide is an inorganic compound with the formula Zn O is a white powder which is insoluble in water. ZnO is used as an additive in numerous materials and products including cosmetics, food supplements, rubbers, plastics, ceramics, glass, cement, lubricants, paints, sunscreens, ointments, adhesives, sealants, pigments, foods, batteries, ferrites, fire …
Micro/nanostructured TiO2/ZnO coating enhances osteogenic activity of ...
A micro/nanostructured TiO 2 /ZnO coating was developed and its in vitro osteogenesis was assessed using osteoblast-like SaOS-2 cells. In vitro biological experiments demonstrated that the micro/nanostructured coating with bioactive Zn 2+ ions had significantly promoted cell adhesion and differentiation. The improved osteogenic activity …
Structure and Properties of ZnO Coatings Obtained by Atomic …
This paper aimed to investigate the structure and physicochemical and tribological properties of ZnO coatings deposited by ALD on 316L stainless steel for biomedical applications. To obtain ZnO films, diethylzinc (DEZ) and water were used as …
High colloidal stability ZnO nanoparticles independent on …
ZnO is known as a multifunctional material, which possesses high electrical conductivity 1 and visible transparency (optical band gap, E opt > 3.3 eV), …
Structure and magnetic properties of magnetic iron oxide/zinc oxide core/shell nanocomposites: Effect of ZnO coating …
Structure and magnetic properties of the nanocomposites are strongly influenced by ZnO content as microstrain increases, magnetization and blocking temperature decrease upon ZnO coating. The change in magnetic properties of the nanocomposites has been discussed based on detailed information on composition and structure, spin canting and …
ZnO nanorod coating for solid phase microextraction and its applications for …
The reaction temperature and time were also optimized and set at 90 C for 4 h controlling these experimental conditions, we have successfully synthesized well-oriented ZnO nanorods. Fig. 1 shows electron micrographs of the coating obtained from the aqueous chemical growth of ZnO under 90 C for 4 h with the concentration of 0.025 mol L −1 …
Air Plasma-Nano ZnO Coating Improves the Impact Resistance …
In this study, air plasma and ZnO coating was used to modify ultra-high-molecular-weight polyethylene fibre (UHMWPE). The surface morphologies of the fibre with and without ZnO coating were examined under an electron scanning microscope (SEM), and the surface chemical composition was studied through X-ray spectroscopy.
Ni-Doped ZnO-Chitin Composites for Anti-Corrosive Coating on …
AFM and the contact angle measurement shows that Chitin-Ni doped ZnO biocomposites coating improves anticorrosion performance by enhancing the surface roughness and hydrophilic nature of Zn alloy. The Electrochemical analysis of Zn alloy was performed to evaluate corrosion resistance in SBF solution for 24 h. It shows a decreasing trend in the ...
Improved electrochemical performance of LiCoO₂ electrodes with ZnO coating …
Surface modification of LiCoO2 is an effective method to improve its energy density and elongate its cycle life in an extended operation voltage window. In this study, ZnO was directly coated on as-prepared LiCoO2 composite electrodes via radio frequency (RF) magnetron sputtering. ZnO is not only co …
Improved electrochemical performance of LiCoO₂ electrodes with ZnO ...
It was found that ZnO coating can significantly improve the cycling performance and the rate capability of the LiCoO2 electrodes in the voltage range of 3.0-4.5 V. The sample with an optimum coating thickness of 17 nm exhibits an initial discharge capacity of 191 mAh g(-1) at 0.2 C, and the capacity retention is 81% after 200 cycles.
Air Plasma-Nano ZnO Coating Improves the Impact Resistance …
ABSTRACT. In this study, air plasma and ZnO coating was used to modify ultra-high-molecular-weight polyethylene fibre (UHMWPE). The surface morphologies of the fibre with and without ZnO coating were examined under an electron scanning microscope (SEM), and the surface chemical composition was studied through X-ray spectroscopy.
Effect of thickness and reaction media on properties of ZnO thin …
Different thin film fabrication methods such as spin coating 1, sol–gel 2, spray pyrolysis 3, electro deposition 4, chemical bath deposition 5, magnetron sputtering 6 and successive ion layer ...
Deposition of zinc oxide as an electron transport layer in …
Three different coating methods including spin coating, spraying and SILAR method are employed for deposition of ZnO nanoparticle layers to be used as ETLs in perovskite solar cells. To have a reasonable surface of …
A review on ZnO: Fundamental properties and applications
ZnO reveals band gap of 3.37 eV with higher exciton energy of 60 meV at the room temperature. Due to the larger value of exciton energy than GaN (25 meV) makes it …
Structure and magnetic properties of magnetic iron
The formation of a ZnO coating using zinc acetate in the presence of PVP and EDTA as a capping agent caused a decrease in magnetization value to 12 emu/g. A ZnO coating provided better dispersion of maghemite nanoparticles and it also affected the drug (5-FU) delivery behavior. ZnO-coated nanoparticles showed prolonged and sustained drug ...
Biocompatibility and Antibacterial Properties of ZnO-Incorporated ...
After the PEO process with ZnO nanoparticles the emission spectra changed. Red shift of emission peak from 524 to 530–536 nm was observed. New peak at 379 nm appeared in ZnO-incorporated oxide coatings. It is known that ZnO has two emission bands: UV (375–384 nm), related to excitons, and visible (430–700 nm), related to structure defects ...
Visible light-induced self-cleaning ZnO coated-clay roofing tiles: The role of coating …
As for the ZnO coated specimens, as evident from the figure, there is an upward trend in CA values depending on the increasing concentration (9.5, 14.7, 21.5,30.1, and 44.4 for C1, C5, C25, C50, and C100, respectively) compared to that of pristine tile. Local ...
Ultrathin ZnO coating for improved electrochemical …
To enhance the electrochemical performance of LiNi 0.5 Co 0.2 Mn 0.3 O 2 cathode, especially at elevated temperature, atomic layer deposition (ALD) technology has facilely …
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