Nanophotonic tandem designs for high efficiency solar cells. This project will develop high-efficiency tandem solar cells that combine established silicon cell technology with novel low-cost thin-film solar cells. It will incorporate nanostructured layers between the cells that selectively trap different wavelengths of light, maximising light absorption in the top cell. This will make it possible to use a very thin top cell, reducing the requirements on electronic quality of the material. This p ....Nanophotonic tandem designs for high efficiency solar cells. This project will develop high-efficiency tandem solar cells that combine established silicon cell technology with novel low-cost thin-film solar cells. It will incorporate nanostructured layers between the cells that selectively trap different wavelengths of light, maximising light absorption in the top cell. This will make it possible to use a very thin top cell, reducing the requirements on electronic quality of the material. This project will also develop self-assembly techniques to enable the new nanostructures to be fabricated quickly and cheaply but with a high degree of control. Such cells will allow open the door to higher efficiencies, and lower costs, than is achievable with conventional solar cells.Read moreRead less
Cadmium telluride/Germanium (CdTe/Ge) tandem-junction solar cells for efficiency enhancement in thin-film photovoltaics. The purpose of this project is to improve the efficiency of large-area, thin-film CdTe solar cells by using them in a tandem arrangement with thin-film Ge cells. An increase of 25 per cent in efficiency appears possible, which would greatly improve the prospects for cost-competitive photovoltaic power generation.
A new defect-control approach for mismatched heteroepitaxy semiconductors. This project aims to develop a new defect-control approach for silicon-germanium heteroepitaxial semiconductor systems to provide a route for high-throughput, low-cost, high-efficiency silicon tandem solar cells. Mismatched heteroepitaxy of semiconductors is of considerable interest for fabricating novel devices. However, the use of highly-mismatched heteroepitaxial semiconductors has been limited due to the high densitie ....A new defect-control approach for mismatched heteroepitaxy semiconductors. This project aims to develop a new defect-control approach for silicon-germanium heteroepitaxial semiconductor systems to provide a route for high-throughput, low-cost, high-efficiency silicon tandem solar cells. Mismatched heteroepitaxy of semiconductors is of considerable interest for fabricating novel devices. However, the use of highly-mismatched heteroepitaxial semiconductors has been limited due to the high densities of crystal defects which degrade the performance of both majority and minority carrier devices. This project aims to develop a new defect-control approach for heteroepitaxial semiconductors by continuous wavelength diode laser processing. With heteroepitaxial silicon-germanium as an example, the project will investigate the mechanism underlying defect-cleaning, optimised designs for best performance, and designs for high-efficiency tandem solar cells.Read moreRead less
Photon-sorting nanopixels for multispectral & polarisation-resolved imaging. Recent years have seen staggering growth in the prevalence of digital cameras. Conventional digital cameras are designed to mimic the response of the human eye, and therefore record the intensities of three spectral channels: red, green and blue (RGB). This project aims to harness recent advances in nano-optics for the realisation of a new generation of digital cameras. Rather than performing simple colour (RGB) imaging ....Photon-sorting nanopixels for multispectral & polarisation-resolved imaging. Recent years have seen staggering growth in the prevalence of digital cameras. Conventional digital cameras are designed to mimic the response of the human eye, and therefore record the intensities of three spectral channels: red, green and blue (RGB). This project aims to harness recent advances in nano-optics for the realisation of a new generation of digital cameras. Rather than performing simple colour (RGB) imaging, these will be capable of multispectral and polarisation-resolved imaging, whose richer information will be beneficial for applications from medical diagnostics to industrial quality control. These capabilities will be enabled by optical nanostructures that deflect light in a wavelength- and polarisation-dependent manner.Read moreRead less
Development of High Performance Nanostructured (Bi, Sb)2Te3 Nanomaterials. The direct energy conversion between heat and electricity, based on thermoelectric effects without moving parts, has been considered as a green and sustainable solution to the global energy dilemma. This project aims to develop novel band-engineered (Bi, Sb)2Te3 nanomaterials for high-efficiency energy conversion using novel microwave assisted wet chemistry approach, coupled with nanostructure and band engineering strateg ....Development of High Performance Nanostructured (Bi, Sb)2Te3 Nanomaterials. The direct energy conversion between heat and electricity, based on thermoelectric effects without moving parts, has been considered as a green and sustainable solution to the global energy dilemma. This project aims to develop novel band-engineered (Bi, Sb)2Te3 nanomaterials for high-efficiency energy conversion using novel microwave assisted wet chemistry approach, coupled with nanostructure and band engineering strategies. The key breakthrough is to design high performance (Bi, Sb)2Te3 thermoelectrics for satisfying the high efficiency solid-state devices. The expected outcomes will lead to an innovative technology that waste heat recovery and refrigeration, which will place Australia at the forefront of practical energy technologies.Read moreRead less
Supercharged silicon wafer tandem solar cells using virtual germanium substrates. International studies show that electricity from solar cells is one of the cleanest future energy sources, able to almost completely displace fossil fuels. To fulfil such a key role, costs must greatly reduce. The project targets reduced cost by greatly improved performance by stacking high quality thin cells on top of a conventional silicon cell.
Discovery Early Career Researcher Award - Grant ID: DE190101501
Funder
Australian Research Council
Funding Amount
$408,000.00
Summary
Printed back electrodes enabling low-cost perovskite solar cells. This project aims to address back electrode material, a bottleneck functional material in state-of-the-art perovskite solar cells (PSCs). By engineering printable and conductive materials based on carbon and gold nanowires, the project expects to enable highly-efficient and scalable PSCs while reducing cost of materials and production. These expected outcomes are to be implemented in PSCs and their impact rigorously tested in rese ....Printed back electrodes enabling low-cost perovskite solar cells. This project aims to address back electrode material, a bottleneck functional material in state-of-the-art perovskite solar cells (PSCs). By engineering printable and conductive materials based on carbon and gold nanowires, the project expects to enable highly-efficient and scalable PSCs while reducing cost of materials and production. These expected outcomes are to be implemented in PSCs and their impact rigorously tested in research cells to large-area PSCs modules produced through industry-relevant, scalable, and low-cost printing and coating methods. This will provide significant benefits to Australian industry, from small to medium enterprises to larger utility power companies, while creating economic opportunities and enabling sustainable societies.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE160101100
Funder
Australian Research Council
Funding Amount
$310,000.00
Summary
Nanostructured Cu2ZnSnS4 for solar-driven electricity and hydrogen. This project aims to develop cost-effective Cu2ZnSnS4 nanocrystals for two solar devices for electricity and hydrogen production. The copper-zinc-tin-sulphide (Cu2ZnSnS4) nanoparticle for solar cells has been less than two per cent efficient for years and photoelectrochemical devices have been recently recognised but less explored. The combined innovative modification of its nanocrystals, and grain growth approach for enhancing ....Nanostructured Cu2ZnSnS4 for solar-driven electricity and hydrogen. This project aims to develop cost-effective Cu2ZnSnS4 nanocrystals for two solar devices for electricity and hydrogen production. The copper-zinc-tin-sulphide (Cu2ZnSnS4) nanoparticle for solar cells has been less than two per cent efficient for years and photoelectrochemical devices have been recently recognised but less explored. The combined innovative modification of its nanocrystals, and grain growth approach for enhancing light absorption and photogenerated carrier collection efficiency should elucidate underlying mechanism of and provide solutions to the problem which has baffled researchers in above areas for several years. The intended resulting simple, cost-effective solar-driven electricity and hydrogen devices should make significant contributions to goals of commercially viable storage of solar energy and solutions to global energy and environment issues.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE120100188
Funder
Australian Research Council
Funding Amount
$1,000,000.00
Summary
Epitaxial growth facility for advanced materials. An advanced materials fabrication facility accessible to all Australian researchers will be established. This will allow crystal growth at the atomic level for novel materials with applications including fundamental physics, nanocomposites, energy storage and conversion systems, and solar cells.
Nanoscale control of energy and matter for future energy-efficient technologies. Unprecedented control of energy and matter in nanoscale fabrication will be achieved using non-equilibrium self-organised plasma-solid systems. The outcomes will lead to energy-efficient, environment- and human-health-friendly production of nanomaterials for future energy, health, information, food, water, environmental and security technologies.