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Patchy colloidosomes at interfaces: correlation of particle surface heterogeneity, wettability, and chemical activity at the nanoscale. The surfaces of natural mineral particles are made up of spots with such different chemical and physical properties. The complexity makes it hard to predict their behaviour. This project will provide insights into how the 'patchy' nature of particle surfaces affects their behaviour in processes such as flotation separation and bio-fuel production.
Discovery Early Career Researcher Award - Grant ID: DE120100042
Funder
Australian Research Council
Funding Amount
$375,000.00
Summary
Study of oriented attachment of nanocrystals at oil-water interfaces. This project will study the fundamental issues for crystal growth, which will dramatically facilitate the development of effective pathways for the synthesis of advanced nanomaterials for nanodevice and nanotechnology. The obtained outcomes will enhance our knowledge in crystal growth and colloid sciences.
Discovery Early Career Researcher Award - Grant ID: DE160100589
Funder
Australian Research Council
Funding Amount
$402,711.00
Summary
Cadmium-free one-dimensional colloidal nanocrystal heterostructures. The goal of this project is to develop innovative colloidal nanocrystal heterostructures to provide the basis for eco-friendly optoelectronic devices and photocatalysis as well as other advanced applications. One-dimensional semiconductor nanocrystals have desirable electronic and catalytic properties (a linearly polarised emission, large absorption cross section, reduced lasing threshold and improved charge separation and tran ....Cadmium-free one-dimensional colloidal nanocrystal heterostructures. The goal of this project is to develop innovative colloidal nanocrystal heterostructures to provide the basis for eco-friendly optoelectronic devices and photocatalysis as well as other advanced applications. One-dimensional semiconductor nanocrystals have desirable electronic and catalytic properties (a linearly polarised emission, large absorption cross section, reduced lasing threshold and improved charge separation and transport). However, present investigations of these materials are mainly limited to highly toxic cadmium chalcogenides. This project aims to explore a family of cadmium-free colloidal nanocrystal heterostructures with the desired properties. The project intends to investigate their growth mechanisms, properties and effects to support product development and advance the fundamental knowledge of electronics at the nanoscale.Read moreRead less
Closing the data gap: High throughput screening of nanoparticle toxicity. The nanotechnology sector is experiencing an exponential growth period with over 100 products containing manufactured nanoparticles entering the market every year. Ensuring growth of the sector needs to be balanced against the imperative of protecting both human and environmental safety. This project aims to develop new methodological and conceptual avenues to close the gap between innovation in nanotechnology and risk ass ....Closing the data gap: High throughput screening of nanoparticle toxicity. The nanotechnology sector is experiencing an exponential growth period with over 100 products containing manufactured nanoparticles entering the market every year. Ensuring growth of the sector needs to be balanced against the imperative of protecting both human and environmental safety. This project aims to develop new methodological and conceptual avenues to close the gap between innovation in nanotechnology and risk assessment. This is intended to be achieved by developing and validating high-throughput in vitro toxicity screening platforms for manufactured nanoparticles. The approach is based on advanced lab-on-a-chip microfluidic technologies. The predictive power of the platform will be refined and optimised via ex-vivo and in-vivo models.Read moreRead less
Nanoparticle adsorption at air-water interfaces for foam stabilization. Pharmaceutical formulations and lightweight materials and processes such as mineral flotation and biocatalysis depend on the interactions between air bubbles and particles in water. This project will provide in-depth insight into how the physics and chemistry of the particle surfaces control the structure of the materials formed in those processes.
2D nanomaterial heterostructures for photocatalytic hydrogen production. This project aims to develop two-dimensional (2D) nanomaterial heterostructures as photocatalysts for hydrogen production from the liquid carrier of methanol. In addition to transformational photocatalytic technology to utilise Australian raw resources, this project expects to generate new knowledge in the areas of photochemistry, materials science and nanotechnology. These should not only expand the applications of 2D nano ....2D nanomaterial heterostructures for photocatalytic hydrogen production. This project aims to develop two-dimensional (2D) nanomaterial heterostructures as photocatalysts for hydrogen production from the liquid carrier of methanol. In addition to transformational photocatalytic technology to utilise Australian raw resources, this project expects to generate new knowledge in the areas of photochemistry, materials science and nanotechnology. These should not only expand the applications of 2D nanomaterials to a new domain of photocatalysts, but also may eventually lead to new industry advances in 2D nanomaterials for a ‘hydrogen economy’. Read moreRead less
Colloidal quantum dot solar cells on silicon solar cells: Ultra-high efficiency silicon tandems. This project aims to produce ultra-high efficiency solar cells using nanoparticle colloids. Wide bandgap cells will be fabricated and applied on top of the high efficiency silicon solar cells pioneered at The University of New South Wales. Colloidal nanoparticles offer tunable electronic bandgaps, low process temperatures and uniform size dispersions from industrially feasible processes. A simple mod ....Colloidal quantum dot solar cells on silicon solar cells: Ultra-high efficiency silicon tandems. This project aims to produce ultra-high efficiency solar cells using nanoparticle colloids. Wide bandgap cells will be fabricated and applied on top of the high efficiency silicon solar cells pioneered at The University of New South Wales. Colloidal nanoparticles offer tunable electronic bandgaps, low process temperatures and uniform size dispersions from industrially feasible processes. A simple modification eliminates direct series connections between stacked nanoparticle solar cells, greatly improving device performance. The immense potential of these advantages set target efficiencies for combined colloidal nanoparticle and high efficiency silicon tandem cells above 30 per cent.Read moreRead less
Novel Tunable Nanostructured Electrodes. This project aims to build novel, highly efficient electrodes using a nanostructured layer approach. The layers are proposed to be made of chirally-selected carbon nanotubes, conducting polymers and charge carrier blocking layers and provide tunable energy pathways for electrons and holes. The project aims to probe these pathways to understand carrier lifetimes and how charge is transported from one layer to the next, ultimately leading to an ability tune ....Novel Tunable Nanostructured Electrodes. This project aims to build novel, highly efficient electrodes using a nanostructured layer approach. The layers are proposed to be made of chirally-selected carbon nanotubes, conducting polymers and charge carrier blocking layers and provide tunable energy pathways for electrons and holes. The project aims to probe these pathways to understand carrier lifetimes and how charge is transported from one layer to the next, ultimately leading to an ability tune electrodes such that matched 'downhill' energetic pathways exist leading to unprecedented charge carrying capability. The electrode properties can be tuned with the selection of the layer materials and is expected to find applications in fields ranging from photovoltaics to sensors to electronics.Read moreRead less
Unravelling the rules on particle assembly into superstructures. Nanoparticle superstructures are assemblies of particles that exhibit high surface-to-volume ratio, periodicity and large packing density useful for drug delivery, photonics, sensing and energy storage. To realise the potential of these materials requires a predicative understanding of how interparticle forces control superstructure formation. This project will create a one-of-its-kind multiscale simulation framework to tailor the ....Unravelling the rules on particle assembly into superstructures. Nanoparticle superstructures are assemblies of particles that exhibit high surface-to-volume ratio, periodicity and large packing density useful for drug delivery, photonics, sensing and energy storage. To realise the potential of these materials requires a predicative understanding of how interparticle forces control superstructure formation. This project will create a one-of-its-kind multiscale simulation framework to tailor the assembly of anisotropic engineered nanoparticles into superstructures in liquids. Nanoparticle assembly simulation will be validated with a novel particle tracking microscopy in solution-based studies. This will enable the design and large-scale production of nanomaterials with controlled properties and functions.Read moreRead less