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Unravelling mechanisms in plasma growth of polymers. Surface engineering broadens the breadth of applications for many materials, and enhances the performance and value of current and emerging technologies. Surface engineering is particularly important to maintaining the competitiveness of manufacturing in developed economies such as Australia, that can not compete on a cost basis with emerging economies. Plasma coating replaces (alternative) environmentally-questionable surface treatments. This ....Unravelling mechanisms in plasma growth of polymers. Surface engineering broadens the breadth of applications for many materials, and enhances the performance and value of current and emerging technologies. Surface engineering is particularly important to maintaining the competitiveness of manufacturing in developed economies such as Australia, that can not compete on a cost basis with emerging economies. Plasma coating replaces (alternative) environmentally-questionable surface treatments. This project enhances Australian competitiveness; it cuts across industrial sectors and will deliver the new knowledge required to enhance material/technology functionality/performance. A PhD student will receive a multi-disciplinary training in a frontier technology and advanced analytical tools.Read moreRead less
New Methodology for the Stereoselective Construction of Oxygen Heterocycles and Rare Sugar Analogues. The overall goal of this research is to develop new synthetic methods, particularly ones that exhibit high levels of stereocontrol. Current research efforts are directed towards the stereoselective construction of oxygen heterocycles and rare sugar analogues both in their racemic and chiral forms utilising 1,2-dioxines containing tethered hydroxyl moieties as the key chemical precursors. It is e ....New Methodology for the Stereoselective Construction of Oxygen Heterocycles and Rare Sugar Analogues. The overall goal of this research is to develop new synthetic methods, particularly ones that exhibit high levels of stereocontrol. Current research efforts are directed towards the stereoselective construction of oxygen heterocycles and rare sugar analogues both in their racemic and chiral forms utilising 1,2-dioxines containing tethered hydroxyl moieties as the key chemical precursors. It is envisaged that these investigations will lead to the development of simple experimental protocols for the synthesis of new bioactive organics.Read moreRead less
Studying Molecular Dynamics with Electron and Laser Interactions. We plan to use state-of-the-art experimental techniques and methodologies to probe the dynamics of molecular processes stimulated by either laser or electron interactions. These processes are fundamental to our understanding of both natural phenomena and many devices used in the technology of today and of the future. As a result of this study our insight into the mechanisms underpining these phenomena and devices will be enhanced.
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0219618
Funder
Australian Research Council
Funding Amount
$215,000.00
Summary
National Facility for Advanced Molecular Orbital Imaging. We will develop a new two-dimensional multiparameter high-resolution electron momentum spectroscopy (EMS) spectrometer that incorporates multiparameter data acquisition and reduction techniques and combine it with a new time of flight (TOF) ion-analyser in order to perform the first high-resolution EMS with oriented target experiments.
In conjunction with theoretical calculations, the results from these experiments will provide the most ....National Facility for Advanced Molecular Orbital Imaging. We will develop a new two-dimensional multiparameter high-resolution electron momentum spectroscopy (EMS) spectrometer that incorporates multiparameter data acquisition and reduction techniques and combine it with a new time of flight (TOF) ion-analyser in order to perform the first high-resolution EMS with oriented target experiments.
In conjunction with theoretical calculations, the results from these experiments will provide the most advanced evaluation for molecular orbital imaging quality for the chemically significant targets we wish to study. This in turn will lead to the determination of more accurate physico-chemical information, including structure and bonding information, for these targets.Read moreRead less
Cross sections for electron scattering from molecules and radicals of technological and environmental relevance. We will use two state of the art crossed beam spectrometers to measure absolute differential and integral cross sections for low energy electron scattering from molecules and their molecular fragments (radicals). The species to be considered are those of significant industrial (e.g. C2F4, C4F8 and CF2) and environmental (e.g. CO2 and H2O) interest, with the cross sections we will mea ....Cross sections for electron scattering from molecules and radicals of technological and environmental relevance. We will use two state of the art crossed beam spectrometers to measure absolute differential and integral cross sections for low energy electron scattering from molecules and their molecular fragments (radicals). The species to be considered are those of significant industrial (e.g. C2F4, C4F8 and CF2) and environmental (e.g. CO2 and H2O) interest, with the cross sections we will measure being crucial to our modelling both the processes involved in plasma enhanced chemical vapour desposition of semiconductor devices and the spectral emission characteristics of planetary atmospheres. The modelling will be conducted self-consistently with our enhanced statistical equilibrium simulation code, which is unique to Australia.Read moreRead less
Inter- and Intra-molecular interactions probed by electron momentum spectroscopy. High-resolution electron momentum spectroscopy (EMS) will be used to study bonding (intra-molecular interactions) in complex oriented organic species. This will allow us, in conjunction with density functional theory calculations, to evaluate the basis sets and exchange-correlation (XC) functionals employed in those calculations, thereby potentially enabling quantum chemists to build more physically accurate XC-fu ....Inter- and Intra-molecular interactions probed by electron momentum spectroscopy. High-resolution electron momentum spectroscopy (EMS) will be used to study bonding (intra-molecular interactions) in complex oriented organic species. This will allow us, in conjunction with density functional theory calculations, to evaluate the basis sets and exchange-correlation (XC) functionals employed in those calculations, thereby potentially enabling quantum chemists to build more physically accurate XC-functionals and basis sets. As chemistry largely occurs in solution, the future will increasingly focus on solvated species. Consequently, we are also initiating an EMS study of the electronic wavefunctions of solvated species with our recently developed "clusters" EMS spectrometer. This will provide the first data on the electronic wavefunctions involved in inter-molecular interactions.Read moreRead less
Environmental and Technological Applications of Electron-Driven Processes. We plan to use state-of-the-art experimental techniques and methodologies for the measurement of collision cross sections and reaction rates for low energy electron-driven process in molecules and molecular radicals. These processes are fundamental to our understanding of our environment and many devices used in the technology of today and of the future. In particular we will provide accurate cross sections for NOx and SO ....Environmental and Technological Applications of Electron-Driven Processes. We plan to use state-of-the-art experimental techniques and methodologies for the measurement of collision cross sections and reaction rates for low energy electron-driven process in molecules and molecular radicals. These processes are fundamental to our understanding of our environment and many devices used in the technology of today and of the future. In particular we will provide accurate cross sections for NOx and SOx pollutants and H2O, as well for molecules such as C4F8, and its radicals such as CF2, which are used extensively in plasma processing technologies.Read moreRead less
The recovery of Cu from chalcopyrite-pyrite containing concentrates, ores and tailings. Chalcopyrite, a major source of Cu, is often associated in ores with the valueless mineral pyrite. The development of more efficient methods for the retrieval of the Cu is of considerable economic importance to Australian minerals processing companies. We aim to develop methodologies allowing the more efficient :
- separation of chalcopyrite and pyrite;
- leaching of Cu from ores and tailing in a heap leach ....The recovery of Cu from chalcopyrite-pyrite containing concentrates, ores and tailings. Chalcopyrite, a major source of Cu, is often associated in ores with the valueless mineral pyrite. The development of more efficient methods for the retrieval of the Cu is of considerable economic importance to Australian minerals processing companies. We aim to develop methodologies allowing the more efficient :
- separation of chalcopyrite and pyrite;
- leaching of Cu from ores and tailing in a heap leach environment and
- leaching of Cu in a concentrated chalcopyrite-pyrite reactor environment.
These aims will be achieved via an integrated surface-solution speciation approach allowing the manipulation of surface properties.
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Laser Diagnostics of Soot Formation in Precessing Jet Flames. In many practical combustion systems (e.g., boiler furnaces and rotary kilns), flame radiation is the major contributor to the required heat transfer. Soot formation is a means of enhancing flame radiation provided the soot is completely oxidised within the flame so that there are no soot emissions. The enhanced flame radiation can have a significant economic and environmental impact on plant operation (changes to the parameters tha ....Laser Diagnostics of Soot Formation in Precessing Jet Flames. In many practical combustion systems (e.g., boiler furnaces and rotary kilns), flame radiation is the major contributor to the required heat transfer. Soot formation is a means of enhancing flame radiation provided the soot is completely oxidised within the flame so that there are no soot emissions. The enhanced flame radiation can have a significant economic and environmental impact on plant operation (changes to the parameters that influence soot formation can also influence NOx and greenhouse gas emissions). The objectives of this project are to identify and quantify the operating parameters that influence soot formation and destruction in such flames.Read moreRead less
The formation of negative ions and neutrals in the gas phase. Structure, reactivity and mechanism. Mass spectrometry is an analytical technique used to provide information concerning the structure of a chemical compound: it is particularly useful when dealing with small amounts of biologically important molecules. It is also a facility in which charged species can be converted into transient neutrals. This project will (i) produce information about negative ion fragmentations in order to extend ....The formation of negative ions and neutrals in the gas phase. Structure, reactivity and mechanism. Mass spectrometry is an analytical technique used to provide information concerning the structure of a chemical compound: it is particularly useful when dealing with small amounts of biologically important molecules. It is also a facility in which charged species can be converted into transient neutrals. This project will (i) produce information about negative ion fragmentations in order to extend the applicability of analytical negative-ion mass spectrometry, (ii) form neutral molecules and related species which are found in stellar dust clouds and investigate their chemistry, and (iii) train graduates in ion chemistry to the highest international standards.Read moreRead less