Design Of Practical Passive Cooling Radiators Utilising Spectrally Selective Covers And Surfaces. Radiative cooling offers a means to cool buildings sustainably without complex and costly heat pumps or air conditioners. Units similar to solar panels can be designed with surfaces which radiate mostly into the 8 - 12 micron atmospheric window, which has a radiance much less than for other wavelengths. Commercial development has been limited by problems associated with the degradation, performance ....Design Of Practical Passive Cooling Radiators Utilising Spectrally Selective Covers And Surfaces. Radiative cooling offers a means to cool buildings sustainably without complex and costly heat pumps or air conditioners. Units similar to solar panels can be designed with surfaces which radiate mostly into the 8 - 12 micron atmospheric window, which has a radiance much less than for other wavelengths. Commercial development has been limited by problems associated with the degradation, performance or cost of radiator surfaces. This project seeks to improve both performance and durability with innovative use of alternative materials and sputtered coatings suitable for mass manufacture, and to test the outdoor performance of laboratory produced radiative plates.Read moreRead less
Heat transfer processes in evacuated tubular solar absorbers. The aim of this project is to improve the understanding of the complex heat transfer processes in evacuated tubular solar water heaters. This project will develop thermal and hydrodynamic models for advanced solar water heaters incorporating evacuated tubular absorbers and will assess the accuracy of the models through a series of outdoor experiments on prototype evacuated tubular solar water heaters. The outcomes will lead to the d ....Heat transfer processes in evacuated tubular solar absorbers. The aim of this project is to improve the understanding of the complex heat transfer processes in evacuated tubular solar water heaters. This project will develop thermal and hydrodynamic models for advanced solar water heaters incorporating evacuated tubular absorbers and will assess the accuracy of the models through a series of outdoor experiments on prototype evacuated tubular solar water heaters. The outcomes will lead to the design and manufacturing of more efficient solar collectors, which can greatly benefit both Australian domestic and export markets.Read moreRead less
Energy transforming polymers: from single molecules to devices. Climate control and the rapidly increasing demand for energy is driving the search for alternative sustainable energy sources. Flexible plastics will be a primary component of the new generation of solar harvesting and energy conversion materials. The objective of this project is to gain an understanding of the way polymers interact with light and can convert absorbed solar energy into electrical power and other useful forms of ene ....Energy transforming polymers: from single molecules to devices. Climate control and the rapidly increasing demand for energy is driving the search for alternative sustainable energy sources. Flexible plastics will be a primary component of the new generation of solar harvesting and energy conversion materials. The objective of this project is to gain an understanding of the way polymers interact with light and can convert absorbed solar energy into electrical power and other useful forms of energy. The outcomes of the project will allow the improved design of plastics for applications in solar energy conversion.Read moreRead less
An integrated system for high-efficiency hydrogen assisted electricity generation from solar energy. Energy security and climate change have intensified the search for renewable energy technologies that will reduce the carbon footprint of our economies. This project will lead to a technology platform, enabling hydrogen production and electricity generation by a clean way, which is high potential in solar-abundance Australia. Its success will definitely benefit Australia both economically and env ....An integrated system for high-efficiency hydrogen assisted electricity generation from solar energy. Energy security and climate change have intensified the search for renewable energy technologies that will reduce the carbon footprint of our economies. This project will lead to a technology platform, enabling hydrogen production and electricity generation by a clean way, which is high potential in solar-abundance Australia. Its success will definitely benefit Australia both economically and environmentally. It will speed up the utilisation of solar energy and help Australia reduce greenhouse emissions. It would also lead to advanced technologies that can be commercialised and exported overseas, thus positioning Australia at the forefront of renewable energy development.Read moreRead less
Designing New Visible-light Active Photocatalysts for Efficient CO2 Reduction. The increasing concern over Climate Change has triggered great efforts in developing new CO2 capture technologies. The outcomes of this program will lead to a new class of photocatalysts that underpin the development of economical CO2 reduction for clean fuel production using sunlight. Such technologies will speed up the transition of Australian environmental and energy industries from fossil fuel economy to renewable ....Designing New Visible-light Active Photocatalysts for Efficient CO2 Reduction. The increasing concern over Climate Change has triggered great efforts in developing new CO2 capture technologies. The outcomes of this program will lead to a new class of photocatalysts that underpin the development of economical CO2 reduction for clean fuel production using sunlight. Such technologies will speed up the transition of Australian environmental and energy industries from fossil fuel economy to renewable energy economy. The research program will contribute significantly to knowledge advancement in nanomaterials, surface chemistry, and photochemistry, and falls in the National Research Priority Area of 'Environmentally Sustainable Australia' addressing the key goals of Climate Change and low emission energy supply.Read moreRead less
Surface Processing of Photo-Sensitive Semiconducting Oxides for Solar-Hydrogen. Aim: To enhance the performance of titania-based semiconducting photo-electrodes for the generation of hydrogen from water using sunlight. Means: Engineering of the surface and near-surface layers so as to increase photo-sensitivity and reactivity with water. Significance: Success will provide the key functional component of photo-electrochemical cells for the mass production of renewable and clean hydrogen. In ....Surface Processing of Photo-Sensitive Semiconducting Oxides for Solar-Hydrogen. Aim: To enhance the performance of titania-based semiconducting photo-electrodes for the generation of hydrogen from water using sunlight. Means: Engineering of the surface and near-surface layers so as to increase photo-sensitivity and reactivity with water. Significance: Success will provide the key functional component of photo-electrochemical cells for the mass production of renewable and clean hydrogen. Innovation: For the first time, the properties controlling photo-sensitivity (defect disorder; charge transport; and chemically-induced, local, surface electric fields) will be modified. Outcomes: Technologies for the production of fuel (hydrogen) using renewable energy (solar energy) and a renewable resource (water).
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P-Type Titanium Dioxide for Hydrogen Generation from Water using Solar Energy. This project aims to develop a completely new processing technology for photo-sensitive oxide materials based on titanium dioxide for the conversion of renewable energy (solar energy) into chemical energy (hydrogen) or electrical energy (photovoltaic). When commercialised, the resultant technology will allow Australia to achieve the following: a) reduction in air pollution, b) reduction in greenhouse gas emissions, c) ....P-Type Titanium Dioxide for Hydrogen Generation from Water using Solar Energy. This project aims to develop a completely new processing technology for photo-sensitive oxide materials based on titanium dioxide for the conversion of renewable energy (solar energy) into chemical energy (hydrogen) or electrical energy (photovoltaic). When commercialised, the resultant technology will allow Australia to achieve the following: a) reduction in air pollution, b) reduction in greenhouse gas emissions, c) reduction in reliance on foreign energy sources, d) development of a range of ancillary technologies and infrastructure, and e) export of solar energy in the form of solar-hydrogen. This project addresses National Priorities #1 and #3.Read moreRead less
PROCESSING OF REDUCED-BAND-GAP TITANIA FOR SOLAR-HYDROGEN. The present project involves the development of materials and devices for solar-hydrogen using photo-assisted water decomposition. The research focusses on the processing of titanium dioxide (titania) with substantially enhanced photo-sensitivity and, consequently, increased efficiency of the conversion of solar energy into chemical energy (hydrogen) through imposition of the optimal Ti/O ratio. Significance: processing technology of tit ....PROCESSING OF REDUCED-BAND-GAP TITANIA FOR SOLAR-HYDROGEN. The present project involves the development of materials and devices for solar-hydrogen using photo-assisted water decomposition. The research focusses on the processing of titanium dioxide (titania) with substantially enhanced photo-sensitivity and, consequently, increased efficiency of the conversion of solar energy into chemical energy (hydrogen) through imposition of the optimal Ti/O ratio. Significance: processing technology of titania for photo-electrochemical devices for hydrogen generation and water decontamination. Innovation: processing of titania with reduced band-gap to be achieved through optimised oxygen nonstoichiometry. Outcome: processing technology of titania with outstanding photo-sensitivity.Read moreRead less
TITANIA-BASED MATERIALS WITH ENHANCED PHOTO-SENSITIVITY FOR SOLAR-HYDROGEN. Aims: Enhancement of the photo-sensitivity of titania photo-electrodes will be achieved through the effect of aliovalent ions in the titania lattice, leading to, at a high density of states, the imposition of mid-gap bands. This will result in the reduction of the effective band gap required for ionisation. Significance: The practical application of titania for the photolysis of water using solar energy at efficiencies s ....TITANIA-BASED MATERIALS WITH ENHANCED PHOTO-SENSITIVITY FOR SOLAR-HYDROGEN. Aims: Enhancement of the photo-sensitivity of titania photo-electrodes will be achieved through the effect of aliovalent ions in the titania lattice, leading to, at a high density of states, the imposition of mid-gap bands. This will result in the reduction of the effective band gap required for ionisation. Significance: The practical application of titania for the photolysis of water using solar energy at efficiencies sufficiently high for commercialisation (greater than 10%). Innovation: Examination for the first time of the impact of the electronic structure on the photo-sensitivity of oxide materials, including titania single crystals and polycrystals.Read moreRead less
Flexible dye-sensitised solar cells on polymer substrates. The expected outcomes of the project are the preparation and development of flexible solar cells. The resulting portable and compact solar cells could be incorporated in fabrics opening the solar cell market to the clothing industry. The products and mechanisms developed are envisaged to be amenable to large scale-up in industry. Hence, at a future date, there is the potential to fabricate the cells in Australia and then export the mater ....Flexible dye-sensitised solar cells on polymer substrates. The expected outcomes of the project are the preparation and development of flexible solar cells. The resulting portable and compact solar cells could be incorporated in fabrics opening the solar cell market to the clothing industry. The products and mechanisms developed are envisaged to be amenable to large scale-up in industry. Hence, at a future date, there is the potential to fabricate the cells in Australia and then export the materials and technology. This will benefit the Australian economy through employment of Australians and income generated through exports.Read moreRead less