Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 31 for “"ZnO Nanoparticles"”.
-
Doped ZnO nanoparticles in biomedicine: their role as stimuli-responsive anticancer agents
L'abstract è presente nell'allegato / the abstract is in the attachment
-
Solution-Processed ZnO Nanoparticles for Optically Addressed Spatial Light Modulators and Other Applications
… that was investigated in this work is zinc oxide nanoparticles (ZnO NPs) dispersion, motivated by the highest resolution on record of optically addressed spatial light modulators (OASLMs) using solution-based ZnO NP as photoactive material. ZnO is a popular type of semiconductor compound from …
-
Palladium (pd) decorated zinc oxide (ZnO) nanoparticles for gas sensing applications: meat spoilage gases
… a challenge. In response to this, materials of ZnO decorated with palladium nanoparticles were synthesised using the hydrothermal method for the purpose of testing their gas sensing properties. After the synthesis of these nanoparticles, various characterization techniques for the investigation …
-
Photocatalytic Degradation of Perfluorooctanoic Acid in Water by Free and Immobilised ZnO, g-C3N4 and Their Composite under UV and Visible Light Irradiation
… that is widely detected in the environment. ZnO and graphitic carbon nitride are among the most economical semiconductors which have not been widely used for PFOA decomposition. Therefore, ZnO could be an alternative to In₂O₃, as a benchmark photocatalyst for PFOA degradation, under …
-
Photocatalytic degradation of palm oil mill secondary effluent (POMSE) using zinc oxide nanoparticles
… using photocatalysis process in presence of ZnO-PEG nanoparticles and its physicochemical is still limited. Therefore, this study reports on the comparison of physicochemical properties between the ZnO nanoparticles in presence of the different type of capping agent Commercial ZnO, ZnO-PEG …
-
Performance of polyethylene glycol (PEG) capped zinc oxide nanoparticles as photocatalyst in membrane photocatalytic reactor for industrial dye wastewater treatment
Zinc oxide (ZnO) nanoparticles have gained immense research interest because of its high photocatalytic efficiency, inexpensive material and environmentally friendly characteristics. Several capping agents were used on ZnO nanoparticles to solve the problem concerning the agglomeration and …
-
Zinc oxide nanophotonics : toward quantum photonic technologies
Zinc oxide (ZnO) is a large bandgap (3.37 eV at room temperature) semiconductor and is a good candidate for short wavelength photonic devices such as laser diodes. A large exciton binding energy (60 meV) at room temperature in addition to the advantages of being able to grow various nanostructure …
-
Synthesis and characterization of zinc nanoparticles using consortium of bioflocculant-producingmicroorganisms isolated from uMlalazi catchment, KZNand their application for wastewater treatment
… agent inthe ‘green’ synthesis of zinc oxide nanoparticles and their characterization as well as the applications.The medium composition and culture conditions of previously isolated and identifiedbioflocculant-producing bacteria form uMlalazi catchment, Mthunzini area, KwaZulu-Natal, South …
-
Preparation of Fully Miscible Nanocomposites
… well stabilized, narrow disperse, crystalline ZnO nanoparticles. The synthesis utilizes Zn-oleate or Zn-stearate as precursors, which are hydrolyzed in polar organic solvents to obtain ZnO nanoparticles in diameters in the range of 3–5 nm on multi-gram scales. I also demonstrate polymer ligand …
-
Design, Fabrication and Applications of Organic-Inorganic Hybrid Systems
… of a variety of metal oxides/hydroxide nanoparticles. A classical surfactant free co-polymerization process was employed for the synthesis of these template particles. To facilitate the deposition of inorganic nanoparticles in subsequent steps, these colloidal particles were …
-
The influence of biosynthesis zinc oxide nanoparticles by using fruit extracts of ananas comosus towards the performance of PSF/ZNO membrane
… the influenced of biosynthesis of Zinc Oxide (ZnO) nanoparticles by using fruits extracts of Ananas Comosus towards the characteristic, properties and performance polysulfone (PSf) mixed matrix membrane. The biosynthesis ZnO, (ZnO (P)) nanoparticles powder was successfully synthesized by using …
-
Synthesis and characterization of Carbon Quantum Dots, ZnO and Magnetic Nanoparticles. New Analytical Applications
… based on the use of magnetic and luminescent nanoparticles are presented. Molecules of clinical (5-hydroxyindole acetic acid, 5-HIAA), environmental (4-nitrophenol) and food (tannic acid) concern have been used as model analytes. Also, the functionalization of ZnO nanoparticles was addressed …
-
Síntese e caracterização de nanoestruturas de óxido de zinco por via úmida
… work, wet method was used for the synthesis of ZnO nanostructured materials which were obtained by different process variables such as the precursor salt, chemical nature of the precipitating agent, concentration of the precipitating agent, use of surfactants CTAB and PEG in order to obtain …
-
A Study on the Use of Inverse Opals Composed of Zinc Oxide Aggregate Popcorn Particles to Improve the Efficiency of Dye- Sensitized Solar Cells
… of the electrode are examined. First, the ZnO nanoparticles that are commonly utilized in DSSCs are replaced with ZnO nanoparticle aggregates, also known as ZnO popcorn particles. Subsequently, electrophoretic deposition (EPD) is used to assemble the popcorn particles into an inverse opal …
-
An investigation into the mechanism of toxicity of zinc oxide nanoparticles.
The wide scale use of ZnO nanoparticles (NPs) in the world consumer market has resulted in likelihood of exposure to human beings. The present study was aimed to assess the in vitro and in vivo interactions of ZnO NPs in the mammalian system and to elucidate the possible mechanism of their …
-
Manufacture of metal-based nanoparticles and their incorporation into plastic materials for the development of active antimicrobial food packaging
Silver (Ag), copper (Cu) and zinc oxide (ZnO) nanoparticles (NPs) were synthesized and antimicrobially assessed. Ag NPs showed the best antimicrobial activity (AA) against a wide range of microorganisms: Staphylococcus aureus, Bacillus cereus, Escherichia coli and Pseudomonas fluorescens as well as …
-
A Study on Catalytic Sites Contiguity in Cu-ZnO-Based Catalysts for CO2 Hydrogenation to Methanol
… hydrogenation to methanol (MeOH) in various Cu–ZnO systems. Three phases are formulated as follows. Phase 1 studied the CSC of atomically-dispersed ZnO-Cu/SiO2 catalysts for improving MeOH formation. Using the atomic layer deposition (ALD), atomically dispersed ZnO (ADZn2+) sites were engineered …
-
ZnO Nanostructures: Low-Temperature Synthesis, Characterisation, Their Potential Application as Gene-Delivery Tools
Among metal oxide nanomaterials, zinc oxide (ZnO) nanostructures are one of the most important nanomaterials in today’s nanotechnology research. Over the past several decades, ZnO nanostructures have been extensively investigated for their extraordinary physical and chemical characteristics and …
-
Synthesis and characterisation of hybrid Zn0-carbon nanostructures for potential applications in hydrogen storage
… of hybrid zinc oxide carbon nanofibers (ZnO-CNFs) using ZnO nanorods as template and to investigate if they can be used as the hydrogen storage materials. The synthesis of ZnO nanoparticles (ZnO NPs) was carried out using direct current (DC) reactive magnetron sputtering at different …
-
Nanomaterials and photonic solutions. Novel ‘at source’ approaches to stop hospital-derived priority substances reaching the sewer network.
… treatment conditions (using a stirred aqueous ZnO suspension). The effectiveness of •OH-driven drug oxidation by ZnO was shown given a decrease in test drug concentrations following a pseudo first order reaction rate. Diffusion-controlled •OH-driven drug oxidation (in excess of •OH relative to …
Page 1 of 2