Photonic crystals at visible wavelengths. Three dimensional sculptured nano-structures made at a very high spatial resolution will open way to control light emission, propagation, and transmission at the visible wavelengths. Optically thin and transparent solar cells will be able to harvest light using structures.
Ultrathin III-V Solar Cells via Crack-Assisted Layer Exfoliation. III-V semiconductors are excellent photovoltaic materials with highest demonstrated solar-to-electricity conversion efficiencies, but find limited usage in terrestrial applications due to high material and fabrication costs. This project aims to improve the cost-effectiveness of III-V solar cells by developing ultrathin III-V semiconductors via crack-assisted layer transfer approach and epitaxy-free fabrication via heterojunction ....Ultrathin III-V Solar Cells via Crack-Assisted Layer Exfoliation. III-V semiconductors are excellent photovoltaic materials with highest demonstrated solar-to-electricity conversion efficiencies, but find limited usage in terrestrial applications due to high material and fabrication costs. This project aims to improve the cost-effectiveness of III-V solar cells by developing ultrathin III-V semiconductors via crack-assisted layer transfer approach and epitaxy-free fabrication via heterojunction architectures, paving the way for cost-effective, high-efficiency, flexible solar cells. The expected outcomes include a disruptive technology for integrated photovoltaics, novel contact and passivation materials, as well as new knowledge generated in materials science and optoelectronics disciplines.Read moreRead less
High-performance smart solar powered on-chip capacitive energy storage. High performance and environmentally friendly on-chip power system is the key bottleneck issue limiting the further performance improvement and miniaturisation of ever-increasing portable optoelectronic devices. Building on previous work, including recent breakthroughs of on-chip photonic devices in patterned graphene oxide thin film and the record-breaking nanophotonics solar cells, the project aims to investigate a new con ....High-performance smart solar powered on-chip capacitive energy storage. High performance and environmentally friendly on-chip power system is the key bottleneck issue limiting the further performance improvement and miniaturisation of ever-increasing portable optoelectronic devices. Building on previous work, including recent breakthroughs of on-chip photonic devices in patterned graphene oxide thin film and the record-breaking nanophotonics solar cells, the project aims to investigate a new concept of super-resolution direct laser printing and simultaneous dopant activation of graphene oxide thin films. It is expected that the conceptually new development of the functional graphene oxide film patterning will allow for smart solar-powered on-chip power systems that outperform the state-of-the-art pollution generating batteries.Read moreRead less
Australian Laureate Fellowships - Grant ID: FL160100089
Funder
Australian Research Council
Funding Amount
$2,600,796.00
Summary
In situ electron microscopy toward new materials and applications. In situ electron microscopy toward new materials and applications. This project aims to develop materials for structural and green energy applications, using spatially-resolved, dynamic in situ transmission electron microscopy to research fundamental mechanical, electrical, thermal, optical, optoelectronic and photovoltaic properties of diverse nanostructures. These techniques measure nanomaterial (one-dimensional nanotubes and n ....In situ electron microscopy toward new materials and applications. In situ electron microscopy toward new materials and applications. This project aims to develop materials for structural and green energy applications, using spatially-resolved, dynamic in situ transmission electron microscopy to research fundamental mechanical, electrical, thermal, optical, optoelectronic and photovoltaic properties of diverse nanostructures. These techniques measure nanomaterial (one-dimensional nanotubes and nanowires and two-dimensional graphene-like nanosheets) response to external stimuli, including mechanical, electrical, optical and thermal stimuli. Anticipated outcomes are new ultralight and superstrong structural composites and ‘green-energy’ nanomaterials, such as solar cells, touch panels, batteries, supercapacitors, field-effect transistors, light sensors and displays.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE150100427
Funder
Australian Research Council
Funding Amount
$330,000.00
Summary
All-in-one Functional Nanocrystal Inks for Printed Inorganic Solar Cells. At present, manufacturing solar panels involves expensive high temperature and high vacuum processes. The bottleneck to cheaper solar power is the ability to design new methods of manufacturing. The ability to print the active components of a solar cell is an excellent way to mitigate these costs. This project aims to focus on developing the knowledge to print the most crucial component of a solar cell - the light absorbin ....All-in-one Functional Nanocrystal Inks for Printed Inorganic Solar Cells. At present, manufacturing solar panels involves expensive high temperature and high vacuum processes. The bottleneck to cheaper solar power is the ability to design new methods of manufacturing. The ability to print the active components of a solar cell is an excellent way to mitigate these costs. This project aims to focus on developing the knowledge to print the most crucial component of a solar cell - the light absorbing layer. Innovative nanoscience will be used to develop novel solar inks composed of tiny semiconductor crystals. The formulation and transformation of these inks into efficient semiconductor light absorbing layers, with a clear view to cheaper printed solar cells, will be the key objective of this project.Read moreRead less
Investigation into a graphene ultra-flat lens array for silicon solar cells breaking the Shockley-Queisser efficiency limit. Based on a recent discovery of the giant refractive index modulation associated with graphene oxide to graphene transition upon laser exposure and the breakthrough of graphene silicon solar cells. This project aims to investigate a new concept of an integratible, broadband, dispersionless, ultraflat lens array from nanostructured graphene oxide/graphene. This conceptually ....Investigation into a graphene ultra-flat lens array for silicon solar cells breaking the Shockley-Queisser efficiency limit. Based on a recent discovery of the giant refractive index modulation associated with graphene oxide to graphene transition upon laser exposure and the breakthrough of graphene silicon solar cells. This project aims to investigate a new concept of an integratible, broadband, dispersionless, ultraflat lens array from nanostructured graphene oxide/graphene. This conceptually new development of functional graphene oxide/graphene lens array in combination with a lumpy nanoparticle enabled back light trapping layer will allow for the non-reciprocal coupling of the broadband solar light into the photovoltaic devices with minimised entropy losses. Thus ultrahigh efficiency solar cells exceeding the conventional theoretical limit can be developed.Read moreRead less
Indoor Photovoltaics Enabled by Wide-Bandgap Perovskite Quantum Dots. This project aims to develop a high-efficiency indoor photovoltaic (PV) technology to provide reliable low-cost power in the multi-billion dollar “Internet of Things” (IoT) market. There are currently no devices that meet the requirements for maximum operating efficiency under indoor illumination. We propose to solve this problem by fabricating PV cells using colloidal perovskite quantum dots that offer class-leading stability ....Indoor Photovoltaics Enabled by Wide-Bandgap Perovskite Quantum Dots. This project aims to develop a high-efficiency indoor photovoltaic (PV) technology to provide reliable low-cost power in the multi-billion dollar “Internet of Things” (IoT) market. There are currently no devices that meet the requirements for maximum operating efficiency under indoor illumination. We propose to solve this problem by fabricating PV cells using colloidal perovskite quantum dots that offer class-leading stability and band gap tunability across the required range, enabled by quantum confinement. The outcome is the development of integrated self-powered IoT devices potentially impacting Advanced Manufacturing growth in Energy, Cyber Security, Food and Agribusiness, as all of these will ultimately rely on networked smart devices.Read moreRead less
III-V semiconductor nanowire solar cells without p-n junctions. This project proposes a new class of nanowire solar cells that do not rely on conventional electrical (p-n) junction for photo-generated charge carrier separation. Instead the band structure of the semiconductors is engineered to form a misalignment which leads to the spatial separation of carriers. This approach is expected to fundamentally change the design of solar cells, eliminating the technologically challenging need for formi ....III-V semiconductor nanowire solar cells without p-n junctions. This project proposes a new class of nanowire solar cells that do not rely on conventional electrical (p-n) junction for photo-generated charge carrier separation. Instead the band structure of the semiconductors is engineered to form a misalignment which leads to the spatial separation of carriers. This approach is expected to fundamentally change the design of solar cells, eliminating the technologically challenging need for forming good electrical junctions, while retaining all advantages inherent to III-V semiconductor nanowire solar cells. More importantly, the device concept proposed is expected to have implications for a wider class of solar cells based on exotic/novel materials or nanostructures where achieving both n- and p-doping may be challenging.Read moreRead less
Towards high performance compound semiconductor nanowire array solar cells. Semiconductor nanowires have great potential for photovoltaic applications due to their unique structural, electrical and optical properties. This project aims to establish a new research program to integrate highly sophisticated theoretical modelling, material growth and nanofabrication capabilities to develop high performance III-V compound semiconductor nanowire array solar cells. New concepts, strategies and technolo ....Towards high performance compound semiconductor nanowire array solar cells. Semiconductor nanowires have great potential for photovoltaic applications due to their unique structural, electrical and optical properties. This project aims to establish a new research program to integrate highly sophisticated theoretical modelling, material growth and nanofabrication capabilities to develop high performance III-V compound semiconductor nanowire array solar cells. New concepts, strategies and technologies developed by this project will not only advance the fundamental understanding of many intriguing physics in nanowire materials and devices, but also pave the way towards high efficiency photovoltaics to address the world’s energy-related issues. Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE210100473
Funder
Australian Research Council
Funding Amount
$462,573.00
Summary
Breaking Performance Limits of Solar Inverters for a Sustainable Future. Micro-inverters offer a unique ability to maximise solar energy yield and streamline the installation, operation and maintenance process of solar power generation, thus having huge potentials to drastically reduce the cost of solar electricity. However, performance limits have hampered their wider applications in the energy sector. This project aims to tackle the performance challenges of micro-inverters by developing a nov ....Breaking Performance Limits of Solar Inverters for a Sustainable Future. Micro-inverters offer a unique ability to maximise solar energy yield and streamline the installation, operation and maintenance process of solar power generation, thus having huge potentials to drastically reduce the cost of solar electricity. However, performance limits have hampered their wider applications in the energy sector. This project aims to tackle the performance challenges of micro-inverters by developing a novel power-conversion architecture, a unified design framework, and a new control theory. The intended research outcome will be a new range of ultra-high-performance micro-inverters. This will promote greater solar uptake and maintain Australia’s leadership in the development of disruptive solar power generation technology.Read moreRead less