Hot-swappable and High-efficient Grid-connected Power Electronics System For Photovoltaic Modules with Direct Power Transfer Technique. The project aims to increase the amount of available energy intake from photovoltaic panels, lengthen lifetime of power DC/AC inverter, reduce the amount of energy waste due to inefficient inverter by introducing new switching power converters with direct power transfer technique - bypassing part of the input power without repeatedly processing it, and using lon ....Hot-swappable and High-efficient Grid-connected Power Electronics System For Photovoltaic Modules with Direct Power Transfer Technique. The project aims to increase the amount of available energy intake from photovoltaic panels, lengthen lifetime of power DC/AC inverter, reduce the amount of energy waste due to inefficient inverter by introducing new switching power converters with direct power transfer technique - bypassing part of the input power without repeatedly processing it, and using long-life ceramic type capacitors. Development of this technology will mean reduced total cost, improved product lifetime and reduced global warming. It will lead to a reliable product that will help to put the Australian switching power converter industry into a leading position internationally in the design and manufacture of DC/AC inverters.Read moreRead less
Theoretical study and experimental verification of low cost, integrated and efficient AC/DC power supplies using time-multiplexing control. The project aims to reduce the amount of energy waste and cost due to inefficient AC/DC power supplies by introducing a novel power supply technique - combining conventional two-stage power circuits and using time-multiplexing control. Improvements in power supply efficiency and size will mean reduced total cost, improved product lifetime and reduced heating ....Theoretical study and experimental verification of low cost, integrated and efficient AC/DC power supplies using time-multiplexing control. The project aims to reduce the amount of energy waste and cost due to inefficient AC/DC power supplies by introducing a novel power supply technique - combining conventional two-stage power circuits and using time-multiplexing control. Improvements in power supply efficiency and size will mean reduced total cost, improved product lifetime and reduced heating up of the environment, leading to a reliable product that is particularly relevant to the Australian switching power supply industry. The development of this technology will help to put Australia into a leading position internationally in the design and manufacturing of AC/DC power supply.Read moreRead less
Nanostructured Silicon-Based Tandem Solar Cells. The expected outcome from the project is a new generation of low-cost silicon solar cell that will significantly reduce the costs of generating electricity from sunlight. Solar cells are presently the world's most rapidly growing energy source, with Australians and Australian companies already major players in the associated rapidly expanding industry. Solar cells represent the most benign technology yet suggested for supplying the world's future ....Nanostructured Silicon-Based Tandem Solar Cells. The expected outcome from the project is a new generation of low-cost silicon solar cell that will significantly reduce the costs of generating electricity from sunlight. Solar cells are presently the world's most rapidly growing energy source, with Australians and Australian companies already major players in the associated rapidly expanding industry. Solar cells represent the most benign technology yet suggested for supplying the world's future energy needs. A cleaner environment in the future than would otherwise be likely is another expected outcome as is the creation of major new opportunities for Australian industry.Read moreRead less
Towards a ten percent efficient organic solar cell. Organic photovoltaic (OPV) cells have the potential to reduce costs of electricity production significantly below those using traditional solar cells. Successful development of a 10% efficient organic solar cell of improved durability would not only increase the use of this environmentally sustainable energy source but also increase Australian manufacturing opportunities. Solar photovoltaics has been identified as one of the most desirable futu ....Towards a ten percent efficient organic solar cell. Organic photovoltaic (OPV) cells have the potential to reduce costs of electricity production significantly below those using traditional solar cells. Successful development of a 10% efficient organic solar cell of improved durability would not only increase the use of this environmentally sustainable energy source but also increase Australian manufacturing opportunities. Solar photovoltaics has been identified as one of the most desirable future energy options with the potential to displace fossil fuels and result in better utilisation of hydroelectricity resources. However, significant cost reduction as targeted by this project is required to exploit the full potential of this environmentally benign technology.Read moreRead less
Microelectronic Applications of Improved Silicon Light Emission. While semiconductor silicon chips have been the workhorse of the microelectronics revolution, more complex semiconductor materials have driven the communications revolution. Australian developments during 2001 have largely dispelled the myth that silicon is fundamentally a poor emitter of light. This project aims to build on this work by developing silicon light emitters suitable for integration into high density integrated circu ....Microelectronic Applications of Improved Silicon Light Emission. While semiconductor silicon chips have been the workhorse of the microelectronics revolution, more complex semiconductor materials have driven the communications revolution. Australian developments during 2001 have largely dispelled the myth that silicon is fundamentally a poor emitter of light. This project aims to build on this work by developing silicon light emitters suitable for integration into high density integrated circuits, adding a new dimension to the capabilities of these circuits, driving microelectronics and the information age to the next stage of development.Read moreRead less
NOVEL REAR-SURFACE DESIGNS FOR HIGH-EFFICIENCY COMMERCIAL SILICON SOLAR CELLS. The aim of this collaboration between the University of New South Wales and BP Solar, both world leaders in high-efficiency commercial photovoltaic technologies, is to develop the rear surface of silicon solar cells to enable commercially competitive photovoltaic modules to exceed 20 percent efficiency. The project will develop new technologies for the rear surface that enable excellent light trapping, low recombinati ....NOVEL REAR-SURFACE DESIGNS FOR HIGH-EFFICIENCY COMMERCIAL SILICON SOLAR CELLS. The aim of this collaboration between the University of New South Wales and BP Solar, both world leaders in high-efficiency commercial photovoltaic technologies, is to develop the rear surface of silicon solar cells to enable commercially competitive photovoltaic modules to exceed 20 percent efficiency. The project will develop new technologies for the rear surface that enable excellent light trapping, low recombination and good electrical interconnection that allow the substantial cost and efficiency benefits promised by the use of silicon wafers approaching 150 microns in thickness.Read moreRead less
Terahertz optoelectronics based on spintronics materials. Spintronic devices have many advantages which include non-volatility, permitting data retention in non-powered conditions, increased integration densities, high data processing speeds, low electrical energy demands, and a fabrication process compatible with those currently used in semiconductor microelectronics. The low energy consumption of spintronic devices also leads to economic and environmental benefits. Spintronic devices will help ....Terahertz optoelectronics based on spintronics materials. Spintronic devices have many advantages which include non-volatility, permitting data retention in non-powered conditions, increased integration densities, high data processing speeds, low electrical energy demands, and a fabrication process compatible with those currently used in semiconductor microelectronics. The low energy consumption of spintronic devices also leads to economic and environmental benefits. Spintronic devices will help to meet the sensing and storage demands of information technology in the decades to come. The project will enhance the international competitiveness and export power of Australian industry in the areas of information technology, quantum computing, magnetic recording and optoelectronics.Read moreRead less
Photon induced nonlinear absorption and transport in semiconductor nanostructures. Photon induced transport in electronic systems is of great importance in fundamental science and in development of new optoelectronics devices. In this project we aim to study the microwave radiation induced dc transport and nonlinear absorption in high mobility systems. The result will shed light on newly discoveredzero-resistance state in semiconductor nanostructures. The expected outcome is an improved underst ....Photon induced nonlinear absorption and transport in semiconductor nanostructures. Photon induced transport in electronic systems is of great importance in fundamental science and in development of new optoelectronics devices. In this project we aim to study the microwave radiation induced dc transport and nonlinear absorption in high mobility systems. The result will shed light on newly discoveredzero-resistance state in semiconductor nanostructures. The expected outcome is an improved understanding on the mechanism of reducing dc resistance in low-dimensional electronic systems.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0453974
Funder
Australian Research Council
Funding Amount
$113,190.00
Summary
T-ray factory: a new Australian source of strong, pulsed, broadband, terahertz radiation. Australian scientists and engineers require immediate access to frontier T-ray (terahertz radiation) technology to solve pressing current problems in semiconductor nanostructures and emerging problems in fields as diverse as biophysics and national security. Recent innovations now make practical the production of bursts of terahertz radiation by applying ultrafast optical pulses to photoconductive or elect ....T-ray factory: a new Australian source of strong, pulsed, broadband, terahertz radiation. Australian scientists and engineers require immediate access to frontier T-ray (terahertz radiation) technology to solve pressing current problems in semiconductor nanostructures and emerging problems in fields as diverse as biophysics and national security. Recent innovations now make practical the production of bursts of terahertz radiation by applying ultrafast optical pulses to photoconductive or electro-optic media, facilitating unparalleled time-resolved spectroscopy and imaging. The state-of-the-art equipment to be purchased and installed at Wollongong will enhance the existing excellent terahertz infrastructure (unique spectrometers, optically-pumped molecular laser) and efficiently service researchers in the dynamic Sydney (UTS, UNSW) - Wollongong (UoW) - Canberra (ANU) corridor.Read moreRead less
Non-linear dynamics in electronic systems and devices under intense terahertz radiation. Non-linear interactions allow for a detailed and intricate probing of materials. Sufficiently high-power light directed at a subject can yield spectroscopic data about multiple material parameters, providing a unique diagnostic tool for many applications. We propose to study the non-linear dynamic properties of electronic systems and devices under various external conditions. A thorough understanding of non- ....Non-linear dynamics in electronic systems and devices under intense terahertz radiation. Non-linear interactions allow for a detailed and intricate probing of materials. Sufficiently high-power light directed at a subject can yield spectroscopic data about multiple material parameters, providing a unique diagnostic tool for many applications. We propose to study the non-linear dynamic properties of electronic systems and devices under various external conditions. A thorough understanding of non-linear properties will accelerate development of new optoelectronic device in the terahertz frequency regime. Examples of these devices are oscillators and sensors.Read moreRead less