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.
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Showing 1 to 20 of 36 for “"FE-SEM"”.
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The optimization of graphene sensing layer against Escherichia coli
… Atomic Force Microscopy (AFM), Field Effect Scanning Electron Microscopy (FE–SEM), and Current–Voltage (I–V) meter. In this research, the antibody was successfully immobilized on SiO2/graphene evidenced by the presence of pyrene (C–C) peak at <1000 cm–1 and (S–H) hybridization peak at …
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A study on wettability properties of rutile-phase TiO2 nanostructure film
… (DI) and titanium (IV) butoxide (TBOT). The effects of the duration of the hydrothermal process, the volume of HCl, the volume of TBOT as well as the use of surfactant hexadecyltrimethylammonium bromide (HTAB) toward the synthesis growth of nanorods are thoroughly evaluated. The samples are …
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Synthesis and development of boron nanotubes and metal/ceramic-carbon nanotube composites
… field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM) coupled with energy dispersive x-ray spectroscopy (EDS), electron energy loss spectroscopy (EELS) and Raman spectroscopy. The BNTs mixed with BNFs produced have a diameter of 10 nm and below and up to …
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Characterisation of anode supported microtubular SOFC process on pure methane reduction and operation
… The aim of this work was to study the effect of reduction and operation of anode-supported microtubular SOFCs using methane as both reductant and fuel. The results were compared to those from optimised operation using hydrogen. To measure mechanical strength, the three point bending test …
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Synthesis study of size-controlled noble metal nanoparticle systems of Re, Ir, and Os using AOT-reverse microemulsion based methodologies
… and stability. Across all three metals, the effect of the W factor was consistent, with higher W values generating larger, more polydisperse particles. While the AOT-ME system effectively maintained colloidal stability and controlled particle size for all three metals, it also played a specific …
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Fabrication of smart glass electrochromic device using rf magnetron sputtering
… for buildings and automobile. The important feature of electrochromic glass is the ability to response toward the apply voltage in shortest time, and endurance to maintain in color shape after apply voltage. In this thesis, the oxygen gas percentage is optimized during the fabrication of …
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Eu3+ pakeistų Y3Ga5O12 granatų sintezė ir liuminescencinių savybių tyrimas /
… the core host materials for luminescence. The effect of the europium content on the luminescence properties is discussed in the present work. The series of powder samples were synthesized by citric sol—gel processing route. The concentration of dopant Eu3+ in every compound was 5 %, 10 %, 15 %, …
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Paper-Based Sensors for Contaminant Detection Using Surface Enhanced Raman Spectroscopy
… based SERS substrates were analyzed by FE-SEM, UV-Vis and Raman spectroscopy. This work discusses the SERS signal enhancements for Raman active MGITC dye for a series of substrates prepared by in situ reduction of gold salt and pre-produced gold nanoparticles. UV-Vis analysis was …
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Silica diagenesis and its pore-scale influence on the characteristics of the upper and lower Bakken shales, Williston Basin, North Dakota and Montana
… and/or preservation of pore space, ultimately affecting source rock quality and reservoir recoverability. In general, silica diagenesis occurs in multiple stages, beginning with amorphous silica (opal-A) and followed by a sequence of metastable intermediate polymorphs opal-CT, then chalcedony, …
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The properties of sputtered copper oxide thin film for sensing application
… functional device that will guarantee the safety of human from being exposed to hazardous gases. The important features of a gas sensor are the ability to response towards the gas at the shortest time, the sensitivity towards the specific gas and the portability of gas sensor device. In this …
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Antibacterial activities of silver-nanoparticles-titania composite thin films fabricated by the molecular precursor method (MPM)
… Field Emission-Scanning Electron Microscopic (FE-SEM) analyses showed well dispensed Ag nanoparticles which appeared uniformly distributed across the films. Particles agglomeration and rough surface morphology were observed in films with high loads of Ag-NPs. Far-reaching absorption across the …
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Obstacle avoidance robot applying fuzzy control system
… and field emission-scanning electron microscopy (FE-SEM) were used to analyze the surface morphology and roughness of the SnO2 thin film. Two point electrical probe analysis was used to determine the sheet resistance and resistivity of the SnO2 thin film. Thickness of SnO2 thin film was measured …
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Fabrication of frequency selective structure and evaluation of microwave transmission on energy saving glass
… and field emission-scanning electron microscopy (FE-SEM) were used to analyze the surface morphology and roughness of the SnO2 thin film. Two point electrical probe analysis was used to determine the sheet resistance and resistivity of the SnO2 thin film. Thickness of SnO2 thin film was measured …
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Fabrication of frequency selective structure and evaluation of microwave transmission on energy saving glass
… and field emission-scanning electron microscopy (FE-SEM) were used to analyze the surface morphology and roughness of the SnO2 thin film. Two point electrical probe analysis was used to determine the sheet resistance and resistivity of the SnO2 thin film. Thickness of SnO2 thin film was measured …
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To develop a new mineral carbonation process that have a high efficiency in CO2 absorption into industry slag using low energy mechanical milling
… slag with this method. In the next stage, the effect of dissolution of metal element into water on the behavior of CO2 absorption was investigated by leaching test experiment. It was found that , concentration value of Fe in pure water is higher but in river water the concentration is lower, the …
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Development of an electronic aerosol atomisation system for generating three-dimensional (3D) cells in microencapsulations and microtissues characterisation
… in field emission-scanning electron microscopy (FE-SEM) imaging. Keratinocytes (HaCaT) and Oral Squamous Cell Carcinoma (ORL-48) cells at cell densities of 3 × 107 and 9 × 107 cells/ml, respectively were applied for encapsulation and successfully grew into microtissues after 16 days of culture. …
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Fabrication and optimization of N-Cu2O thin film using electrodeposition method for homojunction solar cell
Cuprous oxide (Cu2O) is a promising semiconductor that has been getting attention as the alternative material for solar cell application. It is abundant, low cost and non-toxic to the environment. A homojunction Cu2O is said to provide high conversion efficiency for solar cell. However, as Cu2O is …
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Evaluation of anti-tuberculosis potentials of selected medicinal plants in Endau Rompin, Johor, Malaysia
… which prompts new approaches to find more effective therapeutic strategies. Medicinal plants of Malaysia have a significant role to play in being able to provide new therapeutic remedies. The local people of Kampung Peta (Jakun tribe), Endau Rompin claimed that local preparations of some …
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Nanostructured hybrid organic/inorganic materials by the nanobuilding blocks (NBB) approach
… RAMAN, multinuclear NMR spectroscopies, SEM, N2 physisorption, Thermal analyses (TG/DTA), DSC. NBBs were used to prepare methacrylate-based matrices, which were subsequently exploited in order to produce patternable films by the two photon polymerisation technique (TPP). Epoxy-based …
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Fabrication of Cu2O based homostructure thin film using electrodeposition method
… reported that Cu2O that acts as the p-n junction semiconductor material was preferable in extensive studies for solar cell application. However, the heterojunction interface between p-type Cu2O to other materials has lower conversion efficiency due to lattice mismatch. Thus, a p-n Cu2O …
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