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 12 of 12 for “"graphene electrode"”.
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The Application Of Graphene Films In Biosensing And Electrowetting
<p>In recent years, graphene has been found to possess extraordinary electronic, optical, mechanical and electrochemical properties. Graphene is optically transparent and mechanically flexible, and has high electron mobility and conductivity. In this thesis, we propose to investigate graphene's …
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Carbon Paste Macrocycle Doped Composite Electrodes for the Selective Electrochemical Detection of Dopamine
… In this thesis, a number of carbon paste electrodes modified with macrocycles for the electrochemical detection of DA is reported. The different macrocycles employed were based on cyclodextrin derivatives and consist of sulfated β-CD (S-β-CD), carboxymethyl β-CD (CM-β-CD), Ferrocene …
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Metal-assisted chemical etching of III-V semiconductors for advanced optoelectronic device fabrication
… textured GaAs photodiodes incorporating graphene quantum dots (GQDs). MacEtch behavior of InGaAsP in H2SO4 and H2O2 is dependent on the crystal orientation and material of the metal catalyst, as well as the stoichiometric composition of InGaAsP. The textured GaAs photodiodes, with GQDs …
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Graphene as transparent electrodes for solar cells
… in applying chemical vapor deposition (CVD) graphene as the transparent conductor in photovoltaic devices. Transparent conducting oxides currently dominate the transparent conductor market but suffer drawbacks that make them unsuitable certain applications. Graphene is mechanically robust, …
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Nanoscale studies of CVD graphene and poly(3-hexylthiophene) thin films.
… The materials used in this work are monolayer graphene grown by chemical vapor deposition (CVD) and poly(3-hexylthiophene) (P3HT) thin films, which have great potential for use in transparent solar cells. This work outlines my findings in understanding and characterizing different substrate …
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Novel Techniques and Electrolytes for Energy Storage Devices
… energy by the formation of double layers at the electrode surfaces. However, the molecular structure of the double layer is poorly understood. Here, neutron reflectometry (NR) and attenuated total reflection infrared (ATR-IR) spectroscopy were developed to study the supercapacitor double layer in …
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Integrating photosystem II and electroactive bacteria with three-dimensional electrodes for semi-artificial photosynthesis
… this thesis works with three-dimensional electrodes with different materials and variable morphologies to host photosynthetic enzymes and electroactive bacteria as biocatalysts. Chapter 1 introduces the fundamentals of biocatalysis and artificial photosynthesis, and reviews the progressing …
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Nanoelectronic Devices using Carbon Nanotubes and Graphene Electrodes: Fabrication and Electronic Transport Investigations
… Therefore, having a favorable contact at electrode/semiconductor is highly desirable for high-performance devices fabrication. In this dissertation, the fabrication of nanoelectronic devices and investigation of their transport properties using carbon nanotubes (CNTs) and graphene as …
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Mechanics driven architectures for flexible nanomaterial-based sensors
… electrical and thermal conductors, transparent electrodes, semiconductors, lights absorbers, condensation channels, etc. In this dissertation, I further explore the incorporation of unique mechanics-driven architectures such as strategic folds, creases, notches, and planar placement to engineer …
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Yüksek enerji yoğunluğu gerektiren uygulamalar için grafen temelli monolit elektrotların üretilmesi, karakterizasyonu ve potansiyel uygulama alanlarının incelenmesi
… sonucuna varılmıştır. Since 3-dimensional (3D) graphene has high mechanical strength, surface area, electrical conductivity and ultra-low density energy storage systems are among the main applications. In the scope of this thesis, it is aimed to synthesize and characterize graphene-based …
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Single-electron transport and electron-phonon interactions in graphene heterostructured self-assembled molecular solid-state devices
… a heterostructure composed of Au as the bottom electrode, SAM and/or NCs as the middle layer, and single-layer graphene as the top electrode. The first project focuses on single-electron phenomena in finger-design and microwell devices, such as the Coulomb staircase, accompanied by three …