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Showing 1 to 5 of 5 for “"bismuth oxyiodide"”.
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Transient Photophysics of Bismuth Halide Semiconductors for Optoelectronic Applications
… of three different semiconductors based on bismuth halides in order to discover their fundamental photophysical properties. The materials investigated — the double perovskite Cs2AgBiBr6, bismuth iodide, and bismuth oxyiodide — have all been demonstrated in thin film photovoltaic devices …
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Next generation optoelectronic devices for energy applications utilising metal oxides, bismuth oxyhalides and lead halide perovskites
… damage. The second part of the thesis examines bismuth oxyiodide (BiOI) as an alternative to LHP. LHP are limited by the presence of lead, which is toxic and bio-accumulative. By contrast, bismuth-based compounds have little evidence of toxicity and the related BiOCl compound is used in …
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Static and Dynamic Disorder in Emerging Optoelectronic Materials
… related Van der Waals materials, namely bismuth triiodide (BiI3) and bismuth oxyiodide (BiOI), that exhibit promising optoelectronic properties for PV applications. Here we use a combination of DFT and many-body theory together with finite differences as well as transient spectroscopy to …
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Developing next generation, non-toxic, inorganic materials for photovoltaics and thin-film transistors
… atomic fractions (reduction in iodine and bismuth by 40% and 5% respectively, and increase in oxygen by >45%) are observed. These significant changes do not affect the electronic and optoelectronic properties, in contrast to traditional covalent semiconductors. The applicability of …
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Vapour-based growth of inorganic compounds for next-generation, stable photovoltaics
… a review of recent studies into low-toxicity bismuth containing photovoltaic absorber materials is presented. Most of these are predicted to form defect states close to the band edges such that carriers trapped in these states can be readily thermally de-trapped rather than undergoing …