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 121 for “"Advanced Materials"”.
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Advanced materials for enhanced condensation heat transfer
This thesis investigates the use of three classes advanced materials for promoting dropwise condensation: 1. robust hydrophobic functionalizations 2. superhydrophobic textures 3. lubricant-imbibed textures We first define the functional requirements of a hydrophobic functionalization for promoting …
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Design of Advanced Materials With Novel Microstructural Features
The third project illustrated the preparation of proton-conducting composite membranes for fuel cells. Composite membranes were prepared by solution blending sulfonated poly (ether ether ketone) and polyacrylonitrile in DMF and heating under nitrogen at 380 °C. This novel system offered a …
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Band Engineering of Advanced Materials for Semiconductor Devices
… limitations. In this thesis, the representative materials and their contacts employed in the development of MOSFETs are studied using density functional calculations, with an emphasis on understanding the electronic behaviours of metal–semiconductor junctions and heterojunction. The thesis …
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Immobilization of Catalytic DNA for Advanced Materials and Sensors
… assembly of the particles. The assembly of these advanced materials was monitored in real-time using laser diffraction and was characterized via scanning electron microscopy. Addition of 10 muM Pb2+ showed >99% inhibition of assembly.
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Advanced materials, process, and designs for silicon photonic integration
… contrast optical waveguides and couplers via materials, processes engineering, development, and device designs. We primarily focus on SOI single crystalline silicon (c-Si or SOI), PECVD amorphous silicon (a-Si:H, or simplified as a-Si), and PECVD silicon nitride (SiNxHy) based single mode …
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ADVANCED MATERIALS AND PROCESSES FOR GAS SEPARATION AND STORAGE APPLICATIONS
… processes. In that regard, development of new materials that exhibit high adsorption capacity and selectivity, fast kinetics, and long-term durability under multicomponent conditions is becoming attractive for the applications in clean energy. Moreover, novel sorbents and separation systems …
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Template-directed Assembly of Silk in Advanced Materials for Food Security
… this thesis is dedicated to bringing biomaterials-based innovation in agriculture and food production, by developing new ways of nanofabrication with structural biopolymers (e.g. silk proteins) to generate macroscopic yet nanostructured functional materials that can be interfaced with …
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Applications of High-Intensity Ultrasound for Synthesis and Modification of Advanced Materials
… containing polycrystalline superconducting materials, with Fe(CO)5 or MO(CO) 6 leads to embedding of produced in situ ferromagnetic Fe2O3 or Mo2O5 nanoparticles into the bulk of superconducting material, thus creating novel nanocomposite materials. Study conducted on obtained Fe2O3-MgB2 and …
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Advanced materials integration and thermal operation of heated microcantilevers and microcantilever arrays
The student, Hoe Joon Kim, accepted the attached license on 2015-03-10 at 21:34.
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ADVANCED MATERIALS: PREPARATION, STUDY AND OPTIMIZATION OF THIN FILM FOR OPTO-ELECTRONIC DEVICE
… is dedicated to the synthesis and study of new materials with interesting emissive and second order NLO properties. In particular pyrene based chromophores are investigated in chapter 4, while chapter 5 deals with the synthesis of organic-inorganic perylene-POSS hybrids with enhanced emissive …
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Design, Synthesis and Application of Cylindrical Polymer Brushes: From Nanostructures to Advanced Materials
… a novel concept to design light harvesting materials and can readily be transplanted to any other applications in photoelectronic devices. Core-shell CPBs with a poly(acrylic acid) (PAA) core block and a PDMAEMA shell block were employed as templates for the preparation of various rare-earth …
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Optimisation of process parameters of high power CO2 Laser cutting for advanced materials
Nowadays, advanced materials such as composite materials, thermoplastics, fibre glass etc. are replacing other materials in many different industrial applications. This is due to the improvements achieved in their engineering properties. The demand on these advanced engineering materials …
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Advanced Materials for High-Energy Rechargeable Batteries: Borate Polyanion Cathodes and Silicon Anodes
This thesis explores advanced electrode materials designed to enhance the energy density of next-generation rechargeable batteries, with a dual focus on cathode materials for rechargeable magnesium-ion batteries (RMBs) and anode materials for lithium-ion batteries (LIBs). The work is divided into …
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Development of an advanced materials system for tooling produced by three-dimensional printing
… with complicated geometries. The three different materials used in the making of tools by 3DP™ are binder, metal powder and the low melting infiitrant. The original material system used for hard tools is 420 martensitic stainless steel powder, a Cu-lOSn alloy as the infiltrant and acrysol as the …
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Design and development of desktop fiber and fabric manufacturing system for advanced materials
… tool for teaching smart manufacturing. The advanced fiber manufacturing system was able to produce a variety of fibers using different preform materials. The preform materials included fibers with Polycarbonate(PC) core and Polymethyl Methacrylate (PMMA), hollow fibers with PC and PMMA, and …
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Fabrication and characterization of advanced materials using laser metal deposition from elemental powder mixture
… so users attempt to circumvent the high cost of materials. Laser metal deposition (LMD) is an additive manufacturing technique capable of fabricating complicated structures with superior properties. This dissertation aims to improve the applications of LMD technique for manufacturing metallic …
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Development of thermoelectric power and electromagnetic techniques for determination of interstitials in advanced materials
Includes bibliographical references.
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