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 17 of 17 for “"Hybrid Nanostructures"”.
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Hybrid Nanostructures for Artificial Machine Olfaction
<p>The detection of low level concentrations of particles in a gaseous environment is of importance to many fields, especially Homeland Security. The ability to identify ppb concentrations of explosives and their degradation products can aid in the detection of improvised explosive devices (IEDs), …
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Giant Magnetoresistance and Quantum Transport in Magnetic Hybrid Nanostructures.
Technological advances in device micro- and nano-fabrication over the past decade has enabled a variety of novel heterojunction device structures to be made. Among these, magnetic multilayers, superconductor/normal metal junctions and carbon nanotubes exhibit a rich variety of features, with the …
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Au nanorods-semiconductor nanowire hybrid nanostructures : nanofabrication techniques and optoelectronic properties
… of novel Au nanorod-semiconductor nanowire hybrid nanostructures. I provide a comprehensive bottom-up approach in which, starting from the synthesis and theoretical investigation of the optical properties of Au nanorods, I design, nanofabricate and characterize Au nanorods-semiconductor …
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Template-Directed Synthesis of One-Dimensional Hybrid Nanostructures from Cylindrical Polymer Brushes
… syntheses of one-dimensional (1D) hybrid nanostructures in which CPBs served as 1D soft templates. So called ‘molecular’ core-shell or core-shell-corona CPBs, as well as CPBs obtained through microphase separation of diblock copolymers, were applied as templates for the preparation …
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Hierarchical Semiconductor, Metal and Hybrid Nanostructures and the Study of their Light-matter Interactions
The work presented in this thesis explores the optical properties of hierarchical structures composed of nanoscale building blocks ranging from metals to semiconductors and composites, organized through bottom-up design methods. 1) By following the dynamic generation of hot-spots in self-assembled …
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Molecular Crystallization Directed By Nanoparticles And Nanopatterns
… strategy to synthesize organic/inorganic hybrid nanostructures using inorganic nanoparticles and nanoparticle arrays to induce organic crystalline compound nucleation and crystallization. The nanoconfinement effect will be addressed to study molecular crystallization by changing …
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Engineering Nanoparticle And Nanoring Patterns For The Study Of Molecular Crystallization Under Nanoconfinement
… the inorganic nanoparticle/organic nanorod hybrid nanostructures by the strategy of nanoparticle induced molecular crystallization developed by us and the new electrochemical method. We synthesize the gold nanoparticles with different sizes and functional groups and then fabricate the …
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Nanoscale Engineering for Mixed-Dimensional Heterostructure Growth and Integration
… block copolymer thin films templating hybrid nanostructures.
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Engineering Gold Nanoparticles And Their Use To Control Nucleation
<p>This study focuses on fabrication of hybrid nanostructures using gold nanoparticles (AuNP) as seeds and partially oxidized potassium tetracyanoplatinate, known as Krogmann’s salt (KCP), and later this method will be employed to manufacture a prototype sensor for detecting different vapors. …
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Nanopore-based Protein Sensing with DNA Nanostructures
… RNA, through the construction of RNA-DNA hybrid nanostructures. The ability to detect single nucleotide changes is important in sensing for both small non-coding RNAs and ribosomal RNA. The technique can also be expanded to investigate proteins beyond Cas. For example, we can study …
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Co-Assembly Of Nanostructured Hybrid Materials For Energy Applications
… of multifunctional nanostructured hybrid materials on multiple length scales by co-assembly of organic and organic/inorganic components. These materials are promising for a number of applications, and in particular for energy conversion devices. In the first part, organic-inorganic …
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One-dimensional hybrid nanomaterials based on cylindrical polymer brushes
… types of one-dimensional (1D) polymer-inorganic hybrid nanomaterials. In the case of well-defined core-shell superstructured CPBs, depending on the aimed func-tional 1D hybrid nanostructures, different combinations of core and shell have been chosen. CPBs with a poly(3-acryloylpropyl …
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Nanostructures templated on biological scaffolds for light harvesting, energy transfer, charge transfer, and redox reactions
… the formation of metal oxide catalysts-pigments hybrid nanostructures that enable efficient transports of both energy and electrons for photochemical water oxidation. This dissertation deals with three aspects of the virus-templated nanostructures - photonic, photochemical, and electrochemical …
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Synthesis and characterization of semiconductor and semiconductor-metal nanoparticles
… und Indiumoxid-Nanopartikeln sowie hybriden Nanostrukturen, die aus Kupferindiumsulfidselenid- und Gold-Nanopartikeln bestehen. In dem ersten Teil werden quasi monodisperse PbE(E=S, Se, Te)-Halbleiternanopartikel gezeigt, die mittels neuer Methode mit der Bildung von Pb0-Partikeln …
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Design, Synthesis and Application of Cylindrical Polymer Brushes: From Nanostructures to Advanced Materials
… of novel one-dimensional (1D) organic/inorganic hybrid nanostructures. The ‘grafting-from’ approach was chosen as the general method to synthesize well-defined CPBs with various chemical and structural compositions. The linear polymer backbones (polyinitiators) were obtained by anionic …
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Growth and characterization of carbon nanostructures on zinc oxide nanostructures
… explore the possibility to synthesize different hybrid materials based on ZnO and carbon hierarchical nanostructures, and to test their performances when used as chemiresistors to detect low doses (~ ppm) of polluting gases, like ammonia and acetone. Nanostructures of ZnO and carbon, including …
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Self-Assembly of Plasmonic and/or Luminescent Nanostructures.
… fabrication, through bottom-up approaches, of hybrid plasmonic and/or luminescent molecular-nanoparticle nanostructures that are well suitable for the synthesis of functional nanostructures showing structural control (in terms of ability to direct the formation of large assemblies in solution …