Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 11 of 11 for “"Inorganic perovskite"”.
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Advancing inorganic perovskite solar cells for application in tandem architectures
Silicon-perovskite tandem solar cells have remarkable power conversion efficiencies (PCEs) and can contribute to the rapid transition towards renewable energy sources. While inorganic perovskite solar cells show superior temperature stability as compared to organic-inorganic perovskite solar cells, …
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The uncommon nature of point defects in organic-inorganic Perovskite solar cells
Organic-inorganic perovskite solar cells (PSCs) have shown enormous success in the past decade, increasing in power conversion efficiency from ~4% in 2009 to >22%. One of the critical properties that contributed to this success is "defect tolerance": in organic-inorganic perovskites, the majority …
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Design and performance evaluation of lead-free inorganic perovskite solar cells for addressing Nigeria's energy crisis.
… environmentally friendly, non-toxic, lead-free inorganic perovskite called potassium germinate chloride (KGeCl3) solar cells as a cost-effective and stable alternative to address Nigeria’s electricity challenges. Using finite element modelling in COMSOL Multiphysics, the study designs and …
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CHARGE TRANSPORT IN ORGANIC AND HYBRID PEROVSKITE FIELD EFFECT TRANSISTORS
Organic semiconductors and hybrid organic/inorganic perovskite semiconductors can address new applications, which are off-limits for conventional silicon-based electronics. We fabricate organic field-effect transistors (OFETs) and through the use of several device architectures, in combination with …
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Perovskite Light-emitting Diodes with Tunable Emission
… flexibility of various size and shape. Halide perovskite has tunable colour emission, low disorder and is solution processable making it one of a popular choice as emitters. This thesis demonstrates the versatility of using halide perovskite material in light-emitting diodes. We demonstrate the …
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Thermal transport in self-assembled nanostructures
… thermal transport properties of model organic-inorganic, nanoscopically layered systems for the purpose of elucidating the dependence of bulk thermal conductivity on the nanostructure of the material and, specifically, the role that limited interfacial thermal conductance plays. We measured the …
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Peculiar perovskites: Unraveling the unique optical response of hybrid organic-inorganic perovskites from first principles
Hybrid organic-inorganic perovskite (HOP) materials and their layered analogs (LHOP) have been extensively applied to optoelectronic applications including solar cells, light-emitting diodes, optical detectors, and spintronics due to their unique atomic, electronic, and optical properties. HOPs and …
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Vapor Transport Deposition for Perovskite Solar Cells
As perovskite solar cells move closer to commercialization, vapor transport deposition (VTD) has emerged as one of the potential routes for large-scale film growth of photoactive and charge transport layers for these solar cells. As a low-cost alternative to thermal evaporation, VTD has the …
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Study of Moisture and Water Effects in Low Temperature Crystallization of Perovskite Film for Efficient Solar Cells
<p>Organic-inorganic perovskite solar cells have become a promising alternative to fossil fuel based energy sources due to their unique properties such as tunable low bandgap, long charge diffusion length, low exciton binding energy and balanced charge transport. The semiconducting perovskite films …
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Exciton Dynamics in Perovskite CsPbBr₃ Semiconductor Nanocrystals
… In the past decade, a new type of semiconductor, perovskite, has shown extraordinary photophysical properties; their low-dimensional counterpart, all-inorganic perovskite nanocrystals (CsPbBr₃ NCs), has since shown promising performances in optoelectronic devices. However, their fundamental …
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Nonlinear Processes in Room Temperature Exciton-Polaritons
… in strained TMD microcavities, 2D perovskites, fluorescent proteins and organic dyes encompassing thermalization, polariton lasing, and the observation of nonlinear effects.</p> <p>Transition metal dichalcogenides (TMDs) have emerged as a remarkable class of two- dimensional …