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Showing 1 to 8 of 8 for “"mixed-halide perovskite"”.
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Mixed Halide Perovskite Solar Cells: Influence of Fabrication and Post Fabrication Conditions on the Device Performance
Organic-inorganic hybrid perovskite solar cells have attracted tremendous attention due to the dramatic improvement in efficiency from 3.8% to 22% in seven years. The technology, however, faces several challenges such as degradation due to the effect of humidity, hysteresis in the current-voltage …
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Exploiting and Inhibiting Ion Migration to Control Luminescence in Halide Perovskites
… and structural changes of hybrid metal halide perovskites under light illumination or electric bias, and methods to exploit or inhibit these ion migration processes by implementation of effective passivation approaches. We first critically review recent studies on the photobrightening …
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Understanding and optimizing perovskite optoelectronic devices with multi-dimensional imaging techniques
… techniques in understanding and optimizing perovskite-based optoelectronics. Chapters 1 and 2 give the motivation behind this work and background to perovskite optoelectronics and machine learning. Chapter 3 introduces the main experimental techniques. The debated passivation strategies on …
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Synthetic exploration of halide perovskites and germanium semiconductors
<p>Halide perovskites and germanium semiconductors are promising materials for many optical applications such as solar cells and LEDs due to their unique photophysical properties. Compositional substitution and dimensional manipulation can enhance physical or chemical properties of perovskite and …
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Stability study in lead-halide perovskite light-emitting diodes
The metal halide perovskite group of materials not only have led to great advances in photovoltaics, but also have shown great potential in light emitting applications. Other than energy efficiency and brightness, perovskite emitters have advantages such as high colour saturation and low processing …
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Mixed Lead-Tin Halide Perovskites for Optoelectronic Applications
Mixed lead-tin (Pb-Sn) perovskites are unique materials in the family of halide perovskites. Unlike Pb perovskites, these mixed-metal systems can demonstrate bandgaps below 1.3 eV and are therefore essential constituents for low bandgap bottom subcell in all-perovskite tandem solar cells as well as …
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Semi-Artificial Photoelectrochemistry through Perovskite Integration and Elucidation of the Local Environment
… semi-artificial photoelectrochemistry. Lead halide perovskite solar cells are the fastest developing technology in the field of photovoltaics and whilst notoriously moisture-sensitive, recent encapsulation strategies have enabled their application as photoelectrodes in aqueous solution using …
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Development and characterization of solar energy conversion devices based on nanocomposite semiconductors
… namely in dye−sensitized solar cells (DSSCs) and perovskite solar cells (PSCs). The innovation of this study is detected on the use of novel materials by well−known methods in order to intervene in the structural and morphological properties of the photoelectrode, the investigation of newly …