Browsing Chemistry (Theses and Dissertations) by Title
Now showing items 143-162 of 394
-
In Search of Highly Emissive Fully Organic Compounds for Application in Molecular Electronics
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2022)The contents of this thesis can be summarised with two separate undertakings, with an overall goal to design, synthesise, and study novel organic materials. The first undertaking (Chapter Two) required detailed synthetic ... -
In search of strong light-harvesting and long-lived Ru (II) and Ir(III) triplet photosensitisers
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2018)The Ph.D. thesis begins with a general introduction of triplet photosensitisers and their role in Triplet-Triplet Annihilation Upconversion (TTA-UC). It gives a short literature review of the photophysical properties of ... -
In-situ and Operando (Scanning) Transmission Electron Microscopy (S)TEM; a real-time investigation of energy storage devices and materials at the atomic level
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2021)In the modern age of ubiquitous mobile technology, demand for ever increasing battery capacity and size reduction in such devices is a key driving factor for this sector. Technology is currently striving to improve the ... -
Informational patterns in the genetic code : a chemical and informatics perspective
(Trinity College (Dublin, Ireland). School of Chemistry, 2010)The genetic code has been the subject of extensive investigation for over 50 years. In this research, we have employed various methods to derive empirical determinations of the informational characteristics of this biological ... -
The Interaction of Chiral Nanoparticles with Biological Objects
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2021)The main goal of this research is to investigate how different factors influence the induced optical activity of semiconductor nanoparticles (NPs) of various shapes and test the biological activity of NPs capped with chiral ... -
Investigating the Formation of Metal-Superoxides: Iron and Nickel Complexes Based on a 2,6-Pyridinedicarboxamide Ligand System
Metal-superoxide intermediates have been proposed to be key active intermediates in the catalytic cycles of a wealth of oxygen-activating enzymes in biology. Synthetically, many examples of such intermediates have been ... -
Investigation and theoretical modeling of the nonlinear optical properties of 5,10-A₂B₂ porphyrins
(Trinity College (Dublin, Ireland). School of Chemistry, 2012)An optical limiter is a device which is transparent to ambient light but becomes opaque upon high intensity laser irradiation. Such irradiation is dangerous to human eyes and light sensitive detectors. Porphyrins, which ... -
Investigation into nanostructured carbon-based materials for electrochemical applications
(Trinity College (Dublin, Ireland). School of Chemistry, 2015)Carbon materials, despite their ubiquitousness in nature and long studied properties, continue to be at the forefront of material research today. The last 20-30 years have seen renewed interest in structural allotropes ... -
Investigation into the interactions of quantum dot based systems
(Trinity College (Dublin, Ireland). School of Chemistry, 2012)The main aim of this thesis is to develop a range of new nanomaterials and composite materials based on fluorescent semiconducting nanoparticles (quantum dots). The work involves the synthesis and characterisation of various ... -
Investigation of LiMo3Se3 nanowires, nanowire networks and ion-exchanged X+ {Mo3Se3}- networks
(Trinity College (Dublin, Ireland). School of Chemistry, 2011)With the limits of current silicon processing techniques drawing nearer, the "bottom up" approach for future technologies has become a focus of major research worldwide. This requires detailed studies of possible replacement ... -
Investigation of novel photosensitisers for photodynamic cancer therapy
(Trinity College (Dublin, Ireland). School of Chemistry, 2013)Photodynamic therapy (PDT) has developed over last century and is now becoming a more widely used medical tool having gained regulatory approval for the treatment of various diseases such as cancer and macular degeneration. ... -
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 ... -
Investigation of the Structure-Property Relationships of Photoactive Surfactants
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2018)Surfactants are functional and versatile molecules, common to a plethora of industries and applications as emulsifying, wetting, dispersing and foaming agents. The usefulness of surfactants is a result of their amphiphilicity; ... -
Investigation of vertically stacked hybrid devices
(Trinity College (Dublin, Ireland). School of Chemistry, 2015)Conductive carbon thin films are known to be promising candidates for future electrode materials for micro/nano-electronic device applications due to their favourable electrical properties and diversity of formation. In ... -
Investigations into Metal-Binding Groups to Probe the DNA Repair Nuclease SNM1A
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2021)SNM1A is a nuclease that is implicated in DNA interstrand crosslink repair and as such is of importance to regular cellular function. However, little is known about its roles, regulation, interaction partners or posttranslational ... -
Investigations of the potential use of ruthenium-ODN conjugates as antisense agents in chronic myeloid leukaemia
(Trinity College (Dublin, Ireland). School of Chemistry, 2002)The work presented in this thesis describes the synthesis of two ruthenium oligodeoxynucleotide (ODN) conjugates and their application as potential photoactive antisense agents in a model Chronic Myeloid Leukaemia (CML) ... -
A junction level study of the activation process in nanowire networks
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2019)Nanowire networks are promising memristive architectures for neuromorphic computing applications due to their connectivity and neurosynaptic-like behaviours. In this PhD thesis, we demonstrate a self-similar scaling 1 of ... -
Lanthanide luminescent self-assembly complexes : from solution studies to mechanical sensing on gold surfaces
(Trinity College (Dublin, Ireland). School of Chemistry, 2009)This thesis entitled "Lanthanide Luminescent Self-Assembly Complexes: From Solution Studies to Mechanical Sensing on Gold Surfaces" is divided into five Chapters. Chapter 1 gives a detailed account of lanthanide-based ... -
Lanthanide-directed self-assembly formations from novel dipicolinic acid derivatives
(Trinity College (Dublin, Ireland). School of Chemistry, 2014)This thesis, entitled “Lanthanide-Directed Self-Assembly Formations from Novel Dipicolinic Acid Derivatives” is divided into six chapters. Chapter 1, the introduction, gives an overview of the lanthanide ions including ... -
Ligand design for controlling dimensionality and chirality in novel lanthanide-organic hybrid materials with tuneable optoelectronic properties
(Trinity College (Dublin, Ireland). School of Chemistry, 2015)The research presented in this thesis looks into the development of novel inorganic-organic hybrid materials with a particular focus on exploiting lanthanide(III) ions. The project considers the synthesis and structural ...