Perovskite Substrates
Perovskite Substrates - Related Videos
08:30
Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells
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Cited by 31 •
2017
Here, we present a protocol to adjust the properties of solution-processed CH3NH3PbI3 through the incorporation of monovalent cation additives in order to achieve highly efficient perovskite solar cells.
11:38
Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance
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Cited by 3 •
2017
We present an extensive study on the effects of different fabrication methods for organic/inorganic perovskite thin films by comparing crystal structures, density of states, energy levels, and ultimately the solar cell performance.
09:45
Epitaxial Growth of Perovskite Strontium Titanate on Germanium via Atomic Layer Deposition
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Cited by 3 •
2016
This work details the procedures for the growth and characterization of crystalline SrTiO3 directly on germanium substrates by atomic layer deposition. The procedure illustrates the ability of an all-chemical growth method to integrate oxides monolithically onto semiconductors for metal-oxide semiconductor devices.
08:12
Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
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Cited by 2 •
2017
Here, we present a protocol for the synthesis of CH3NH3I and CH3NH3Br precursors and the subsequent formation of pinhole-free, continuous CH3NH3PbI3-xBrx thin films for the application in high efficiency solar cells and other optoelectronic devices.
11:13
Identification of Kinase-substrate Pairs Using High Throughput Screening
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Cited by 1 •
2015
Protein phosphorylation is a central feature of how cells interpret and respond to information in their extracellular milieu. Here, we present a high throughput screening protocol using kinases purified from mammalian cells to rapidly identify kinases that phosphorylate a substrate(s) of interest.
FAQs
The substrate’s composition and crystal structure influence how a perovskite layer forms at the interface. These properties affect precursor wetting, nucleation, and subsequent crystallization, so otherwise similar deposition conditions can produce different film structures on different surfaces. In chemistry research, controlling these variables helps improve coating uniformity and device-to-device reproducibility.
Surface energy governs how readily deposition precursors spread across the substrate rather than remaining unevenly distributed. That wetting behavior influences where nuclei form and how crystallization develops across the surface. A substrate with an appropriate interfacial character can therefore support a more uniform coating, while uncontrolled surface differences may contribute to inconsistent film quality and performance.
The substrate’s thermal properties influence the temperature conditions experienced during film formation and crystallization. Because thermal behavior can affect how the deposited material develops, substrate selection must account for more than surface chemistry alone. Matching the substrate to the deposition and crystallization requirements can help produce consistent perovskite coatings and support stable device operation.
Conductive substrates can serve as electrodes while also supporting the perovskite layer. Their interface with the material may influence charge or ion transport, linking substrate choice directly to device performance. This dual role is especially relevant when designing perovskite optoelectronic structures, because the underlying surface contributes both mechanical support and electrical operation.
Selection should consider composition, crystal structure, surface energy, thermal properties, and electrical conductivity together. These factors govern wetting, nucleation, crystallization, interfacial transport, and, where relevant, electrode function. Evaluating the full combination helps researchers choose a surface suited to the intended perovskite coating and device rather than optimizing one property in isolation.
Researchers modify substrates to control the interface where deposition and crystallization begin. Such adjustments can influence precursor wetting, nucleation, film uniformity, and interactions responsible for charge or ion transport. The purpose is to make perovskite growth more reproducible and to improve the resulting device characteristics, while preserving the substrate’s required structural or conductive role.
Careful substrate design supports perovskite coatings used in solar cells, light-emitting diodes, photodetectors, and other optoelectronic devices. By regulating film quality and interfacial transport, researchers can target improved efficiency, reproducibility, and long-term stability. In chemistry and materials research, substrate–perovskite interactions therefore provide a route to connect processing conditions with measurable device outcomes.