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  • Experimental Study of Nucleate Boiling Bubble Dynamics and Heat Transfer Enhancement on Printed Bi-functional Surfaces

    Creator:
    David, Michele
    Abstract:
    Boiling heat transfer is studied for its ability to dissipate high fluxes and achieve heat transfer coefficients two orders of magnitude greater than single-phase heat transfer systems. Heater surface enhancement with increased surface area, varied geometry, wettability contrast and micro/nano-structures can further enhance boiling heat transfer performance through bubble nucleation...
    Resource Type:
    Masters Thesis
    Full Text:
    discussions about materials’ chemistry, synthesis and characterizations, Jenna Gorecki, Mei Han, Dr. Chiu

  • Low-Cost Light Trapping Layer via Melting Gel and Hot Embossing Technique

    Creator:
    Xu, Han
    Abstract:
    Light trapping plays a phenomenal role in enhancing light confinement and light absorption within the solar cells, thus increasing the optical efficiency of the cell. Different strategies are employed for trapping light photons within the cell. Methods used include a substrate or single layer texturing, light trapping coating, plasmonic gratings,...
    Resource Type:
    Masters Thesis
    Full Text:
    attention. Melting gels are a kind of organic-inorganic hybrids silica gel, which are rigid at room

  • Synthesis of Plasmonic-Enhanced Metal-Organic Framework Thin Films and their Infrared Sensing Application

    Creator:
    Ma, Guoheng
    Abstract:
    Transparent and electrically conductive metal oxide nanoparticles have attracted much attention, and can be used to improve the performance of solar cells, transparent electrode materials, and gas sensor technology. Specifically, indium tin oxide (ITO) nanocrystals (NCs) are potentially useful nanomaterials, having technological applications in enhanced sensitivity of optical spectroscopy due...
    Resource Type:
    Masters Thesis
    Full Text:
    (LSPR). Metal organic frameworks (MOFs) are a class of novel inorganic-organic hybrid

  • Synthesis of titanium dioxide nanorods using a continuous flow microreactor

    Creator:
    Yen, Wei-Liang
    Abstract:
    The primary goal of this thesis is to synthesize titanium dioxide nanorods using a continuous flow microreactor. Titania powder, one of the most important particulate materials is used for many purposes owing to its excellent optical properties of a high refractive index leading to high hiding power and whiteness of...
    Resource Type:
    Masters Thesis
    Full Text:
    production cost. Particularly, one-dimensional inorganic nanostructures (rods, wires and tubes) of TiO2

  • Investigation of solution-based processes for functional metal oxides : printing, nanostructures, and applications

    Creator:
    Han, Seung-Yeol
    Abstract:
    The various solution-based processes, spin coating, inkjet printing, microreactor assisted nanoparticle deposition (MANDTM) and spin-successive ionic layer absorption and reaction (Spin-SILAR) were used to demonstrate thin film electronics and anti-reflective coatings. Several aspects of thin film transistors (TFTs) were tested including a range of temperatures, annealing atmosphere, and deposition methods....
    Resource Type:
    Dissertation
    Full Text:
    chemistry were fabricated and achieved mobilities of 3.09, 25.62 and 14.96 cm 2 /V·s, the highest reported

  • Continuous and rapid synthesis of nanoclusters and nanocrystals using scalable microstructured reactors

    Creator:
    Jin, Hyung Dae
    Abstract:
    Recent advances in nanocrystalline materials production are expected to impact the development of next generation low-cost and/or high efficiency solar cells. For example, semiconductor nanocrystal inks are used to lower the fabrication cost of the absorber layers of the solar cells. In addition, some quantum confined nanocrystals display electron-hole pair...
    Resource Type:
    Dissertation
    Full Text:
    colloid chemistry in the last two decades has focused on inorganic chalcogenides.[1] Highly dispersed

  • Development of solution-based reaction processes for micro- and nano-structured semiconductors

    Creator:
    Lee, Doo-Hyoung
    Abstract:
    The focus of this study is to develop a general and low-cost solution-based process to fabricate micro- and nano-structured semiconductors that are suitable for electronics. This process uses simple metal halide precursors dissolved in a solvent (organic or aqueous) and is capable of forming uniform and continuous thin films via...
    Resource Type:
    Dissertation
    Full Text:
    Current methods for the production of functional inorganic electronic devices are based on the

  • Characterizations of silicon-germanium nanocomposites fabricated by the marine diatom Nitzschia frustulum

    Creator:
    Liu, Shuhong
    Abstract:
    Marine diatoms are a class of microalgae that possess cell walls composed of silica nanoparticles. These organisms actively assimilate silicic acid Si(OH)4 from seawater, polymerize silicic acid to silica nanoparticles by a protein-mediated precipitation process, and then assemble the silica nanoparticles into intricate patterns that constitute the cell wall microarchitecture...
    Resource Type:
    Masters Thesis
    Full Text:
    Chemistry Dept. at OSU, for she taught me the operation of FT-IR and gave me the permission to get access

  • Continuous flow synthesis of lead sulfide and copper indium diselenide nanocrystals

    Creator:
    Knapp, Michael W.
    Abstract:
    The use of size and shape tunable quantum confinement nanocrystals has many potential applications for use in semiconductors, optics and sensors. The synthesis of lead sulfide (PbS) and copper indium diselenide (CuInSe₂) nanoparticles are of particular interest for use in semiconductor, optoelectronics and bio-medical applications. The continuous synthesis of lead...
    Resource Type:
    Masters Thesis
    Full Text:
    and solvents 2 . Nanocrystals in a colloid, at the basic level, are comprised of an inorganic

  • Iron Chalcogenide-based Thin Films Fabricated by Inkjet Printing

    Creator:
    Fang, Zhen
    Abstract:
    Digital printing techniques offer several advantages in manufacturing electronics such as direct writing of materials, reduction of chemical waste, and scalability. In particular, printing can significantly simplify manufacturing processes by directly defining the channel area, the gate, and the source and drain contacts, allowing for lower costs and higher throughput...
    Resource Type:
    Masters Thesis
    Full Text:
    .......................................................................................................1 1.1 Inorganic p-type transistor………………………………………………………….2 1.2 Inkjet printing technology