Chemistry (Theses and Dissertations): Recent submissions
Now showing items 341-360 of 435
-
Computational modelling of solid oxide eletrolytes and their interfaces for energy applications
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2018)One of the greatest challenges we are currently facing is the development of efficient, clean and environmentally friendly methods of converting and storing energy from renewable resources. Solid oxide fuel cells and solid ... -
Modelling of Perovskite-based materials for intermediate temperature solid oxide fuel cell cathodes
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2018)In recent years it has become clear that a move to cleaner, more efficient energy generation is required. Solid oxide fuel cells (SOFCs) are a promising technology for electricity generation as they can overcome combustion ... -
Supramolecular routes to a bio-inspired synthesis of micro-and nano-structured materials
(Trinity College (Dublin, Ireland). School of Chemistry, 2013)This thesis presents a contribution to the research field of coordination chemistry and synthesis of hybrid, organic-inorganic materials. The weak, non-covalent interactions that occur between the synthesised metal complexes ... -
Design and Synthesis of Meso- and Macrocyclic Tripodal Triamine Ligands and Investigations into their Coordination Chemistry
(Trinity College (Dublin, Ireland). School of Chemistry, 2017)The ability to directly and selectively functionalise hydrocarbons is one of the greatest remaining challenges facing chemists. The development of catalytic systems capable of affecting these transformations under ambient ... -
Guanidine-based DNA binders and strategies toward their platinum complexes as anticancer dual agents
(Trinity College (Dublin, Ireland). School of Chemistry, 2016)One in three people will be diagnosed with cancer in their lifetime. One of the main targets of chemotherapy is DNA. Platinum-based anti-cancer agents form covalent bonds with bases in the major groove of DNA in cancer ... -
The chemistry and photochemistry of Ru(II) bipyridyl carbonyl complexes incorporated in Nafion
(Trinity College (Dublin, Ireland). School of Chemistry, 1991)The chemical reactions of bis(bpy)carbonylruthenium complexes, catalysts for the water gas shift reaction, have been investigated under mild conditions in Nafion, an ionic polymer. Chemical and photochemical reactions ... -
Single-walled carbon nanotubes as novel NIR fluorescent probes for biomedical optical imaging
(Trinity College (Dublin, Ireland). School of Chemistry, 2011) -
Strategic design of conjugated polymer materials for sensors and solid-state lighting
(Trinity College (Dublin, Ireland). School of Chemistry, 2016)Conjugated polymers (CPs) have shown extreme promise in a range of applications such as optical sensors and light-emitting devices due to their exceptional optoelectronic properties, low cost and solution processability. ... -
N-Heterocyclic carbene-catalysed transformations : the crossed benzoin condensation and oxidative aldehyde esterifications
(Trinity College (Dublin, Ireland). School of Chemistry, 2016)The focus of this thesis is the development of a suite of heteroazolium ion-based salts as precursors to N-heterocyclic carbene (NHC) catalysts for a range of transformations involving aldehyde substrates. It has been ... -
Examining spectral converters for emerging photovoltaic technologies
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2018)Spectral converters are photoluminescent layers which can selectively absorb solar photons of wavelengths which are not efficiently converted to electricity by a photovoltaic (PV) cell, and re-emit these photons at wavelengths ... -
Electron and Ion Microscopy Analysis of flexible Super Capacitors and Lithium Ion Battery Electrodes
Super capacitors and lithium ion batteries are both major technology sectors within the renewable energy industry and energy research. They offer applications and products the chance of recharging capability and give ... -
Photochromic molecular switches: Thienyl-based polyphenylenes and the π-delocalisation effect on photochemical properties
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2018)Information storage is at the forefront of materials science due to an exponential increase in demand for faster, more efficient, higher density data storage units. Light-driven photochromic switches form one of the most ... -
Targeting Synthetic Advances in Extended Phenanthrene and Phenanthroline Systems
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2018)The work herein describes the synthesis of a number of extended phenanthrene and phenanthroline systems as ligands, their Ru(II) and Ir(III) metal complexes, nitrogen-substituted graphene nanoribbons (N-GNRs), and as ... -
Nitrogenation of carbon surfaces via photoinduced reactions
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2018)Carbon based materials have emerged in last decades as a promising area of interest in the scientific research. Their wide range of applications goes from the biomedical to the energetic sector thanks to their incredibly ... -
Chiroptically-active metal oxide nanomaterials
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2018)The aim of this work was to develop and characterise a variety of new chiroptically-active metal oxide nanomaterials, with a view to exploring their potential enantioselective catalytic, biomedical, chiroptical applications. In ... -
A study of electronic structure and thermal stability of engineered SOI material
Silicon-on-insulator (SOI) consists of a thin Si layer known as the device layer, usually several tens of nanometres in thickness, bonded to a bulk Si wafer with an intermediate insulating oxide layer. While SOI is of ... -
An investigation of the electrical behaviours of metallic, semiconducting and core-shell nanowires
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2018)From a device point of view, metallic nanowire networks provide a route to highly transparent, highly conductive, flexible, easy-to-fabricate and low-cost materials. The large-scale integration of these materials in ... -
Synthesis and biological evaluation of mycobacterium tuberculosis derived glyconjugates and glycosylated nanoparticles
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2018)This thesis is entitled 'Synthesis and biological evaluation of Mycobacterium tuberculosis derived glycoconjugates and glycosylated nanoparticles' and is composed of 6 chapters. Chapter 1 begins with an overview of the ... -
Assembly, disassembly and reassembly: New synthetic approaches towards hybrid, mixed-metal and framework materials
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2018)The research presented in this thesis focuses on the synthesis of novel examples of advanced materials. The project aimed to synthesise new examples of three particular classes of materials; namely organic-inorganic hybrid ... -
Ruthenium Polypyridyl Complexes for Biological Applications in Imaging and as Anti-Cancer Agents
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2018)Ruthenium-polypyridyl complexes containing extended aromatic ring systems exhibit attractive photophysical properties and have been shown to bind strongly to DNA. Such properties make complexes like these suitable for a ...