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 66 for “"Molecular Electronics"”.
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SYNTHESIS OF PRECURSORS FOR MOLECULAR ELECTRONICS
The design of molecular rectifiers is one of the major topics of research in molecular electronics, however the relationship between the molecular structure and the electrical characteristics of molecular rectifiers is not fully understood. To elucidate this relationship, we synthesized and …
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Stochastic optimization application in molecular electronics
Molecular electronics is an exciting emerging technology in today's science involving interesting and challenging projects in a variety of interdisciplinary fields. There are dozens of proposed molecular electronic designs each with their advantages and disadvantages. The nanocell is our lowest …
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Interfacial electroactive assemblies: from molecular electronics to biological applications
… observed at the pure ƴ-CD-(py)2 layer, but the molecular recognition properties were turned on by co-adsorbing the alkanethiol molecules with the CD layer. The binding of [Co(biptpy)2]2+ to co-adsorbed monolayers depends on the bulk concentration of guest and was modelled by the Langmuir …
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Selected Topics on Molecular Electronics, Magnetism and Surface Science
This thesis is a theoretical work on the solid state using computational physics. The basic tool underlying most of the calculations is Density Functional Theory, which describes the system in terms of the electronic density and maps the interacting system onto an equivalent non-interacting set of …
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Single molecule studies of molecular electronics and biohybrid materials
… reactions, and polymer chain dynamics at the molecular level. In this thesis, I directly address these challenges using single molecule techniques. Recent advances in single molecule techniques have ushered in a fundamentally new understanding of charge transport at the molecular level, which …
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Sub-10-nanometre metallic gaps for use in molecular electronics
… and the subsequent use of the gaps to study the electronics of nanocrystals and molecules. A complete picture of the success of the process required both examination by scanning electron microscopy as well as probing the current response to an applied bias at low temperature. The empty gaps were …
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Development of a room temperature molecular electronics: Direct vs indirect metal complex synthesis
This thesis discusses the possibility of using molecular units as electronic devices as well as the synthesis of a number of such prototypes. This thesis also serves as a comparison between ‘direct’ (complexes as ligands/complexes as metals) and ‘indirect’ (on-complex) synthesis as a method of …
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Conjugated dithiols as model systems for molecular electronics: assembly, structure, and electrical response
Molecular assemblies are promising candidates for nano-scale electronics due to their chemical and structural versatility. The successful fabrication of assembly-based nano-scale electronics, where molecular assemblies comprise the electrically-active components, requires the ability to reliably …
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Synthesis of Single Wall Carbon Nanotube Arrays and Their Application in Single Molecular electronics
Molecular electronics utilize molecular as building blocks to fabricate electronic components. Due to the advantage of its size, molecular electronics has been an attractive candidate for future electronics for a long time. However, there are major challenges to be solved before single molecular …
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Theory of electron and phonon transport in nano and molecular quantum devices : design strategies for molecular electronics and thermoelectricity
… is the central basis for future nano and molecular scale applications. The theoretical and mathematical techniques to treat electron and phonon transport are leading to model the physical properties of nano and molecular scale junctions. In this thesis, I use these methods not only to …
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FUNCTIONAL REDOX-ACTIVE MOLECULAR TUNNEL JUNCTIONS
Molecular electronics, which use single molecules or self-assembled monolayers as active electrical elements, are complementary to semiconductor-based electronics with the ultimate goal of reducing the footprint or energy consumption of the electronic devices or uncovering new functionalities for …
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DNA Electronics
DNA is a potential component in molecular electronics. To explore this end, there has been an incredible amount of research on how well DNA conducts and by what mechanism. There has also been a tremendous amount of research to find new uses for it in nanoscale electronics. DNA's self-assembly and …
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Theoretical And Spectroscopic Studies Of Molecular Systems For Charge Transfer And Energy Storage And Transfer
… for the development of optoelectronic devices, molecular electronics, and solar voltaic cells. Characterization of the photophysical properties of new molecular systems for these applications has emerged as an important field of research. Many molecular building blocks have been developed and …
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Measurement and Visualization of Electron Transfer at the Single Molecule Level
Molecular electronics based on bottom-up electronic circuit design is a potential solution to meet the continuous need to miniaturize electronic devices. The development of highly conductive molecular wires, especially for long distance charge transfer, is a major milestone in the molecular …
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Exploration of Alkyne-bridged Multi[(Porphinato)metal] Oligomers for Charge Transport Applications and Spin-Spin Exchange Coupling Properties Using Synthetic, Spectroscopic, Potentiometric, and Magnetic Resonance Methods
<p>As silicon-based microelectronics approaches its fundamental physical limit, molecular electronics is emerging as a promising candidate for future ultra-dense electronic devices with individual molecules as active device components. The emerging of molecular spintronics, which exploits the …
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Ultrafast Raman Scattering in Plasmonic Nanocavities
When bound to metals, molecular vibrations play a key role in sensing, catalysis, molecular electronics and beyond, but investigating their coherence and dynamics is difficult as pulsed experiments prove very challenging. In this thesis, I study vibrations of 1-1000 molecules in a plasmonic …
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Fine-grained fault-tolerance : reliability as a fungible resource
… technologies at the nano scale, such as molecular electronics, which may benefit enormously by fault-tolerant designs.
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The development of multisensor arrays utilising conducting polymers.
… current flow being influenced by the polymers' molecular electronics. Devices of this nature are potentially useful as sensors for analytes which cause the reversible modulation of the films' molecular electronics, leading to a detectable resistance change. Variation in the chemical and physical …
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End-capped oligothiophene dimers incorporating TTF, metal dithiolene and spirocentric cores
… technology, and the insights it provides into molecular electronics have led it to the forefront of materials research both industrially and academically. Electroactive organic species can have wildly varied properties and take on two main different forms: i. conjugated macromolecules, …
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