Proceedings of Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP20)
DOI: https://doi.org/10.29363/nanoge.iperop.2020.040
Publication date: 14th October 2019
Solution-processed thin films of lead halide perovskites show exceptional properties, making them interesting candidates for a range of optoelectronic applications such as solar cells and light-emitting diodes. The thickness and crystallite-size in these films is typically in the sub-micron range, resulting in an abundance of grain-boundaries. Here we will describe techniques for growing thin single-crystalline lead perovskite crystallites with edge lengths of several tens of microns and thicknesses of around 1 micron, starting from single-source 1D lead halide perovskite precursors. In a first study we used platelet-shaped MAPbBr3 single-crystals to fabricate active electro-optical modulators (AEOM) exhibiting > 98% light transmission intensity modulation. In a second study we successfully grew mixed halide MAPbBr(3-x)Ix single crystals to study photoinduced halide demixing in crystalline materials, using a range of different spectroscopic techniques such as narrowband fluorescence imaging and time-resolved spectroscopy. In the final section of this talk we will report on the recent progress in the development of back-contact perovskite solar cells, including the use of mask-free lithography techniques and novel honey-comb-like back-contact architectures.
We gratefully acknowledge financial support from from the Australian Research Council (CE170100026 and DP160104575) and the Australian Renewable Energy Agency through the Australian Centre for Advanced Photovoltaics. We also thank Melbourne Centre for Nanofabrication and Monash Centre of Electron Microscope for the technical support.
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International Conference on Hybrid and Organic Photovoltaics
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Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics
The main topics of the Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP) are discussed every year in Asia-Pacific for gathering the recent advances in the fields of material preparation, modeling and fabrication of perovskite and hybrid and organic materials. Photovoltaic devices are analyzed from fundamental physics and materials properties to a broad set of applications. The conference also covers the developments of perovskite optoelectronics, including light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.
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