Manufacturing Methods for Perovskite Solar Cells

A method for improving the interface between perovskite solar cells and electron transport layers through enhanced passivation and bonding. The method involves a two-step process: first, depositing a conductive glass substrate with a NiO nanoparticle layer, followed by depositing a perovskite photoactive layer on the NiO layer. A second functional layer is then deposited on the perovskite layer, containing a passivation agent. The process enables strong interface bonding between the perovskite and electron transport layer, significantly reducing carrier loss and improving device stability.

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A method for manufacturing perovskite-based solar cells that enhances their performance through controlled deposition of perovskite layers. The method employs a novel spin coating approach that incorporates phosphonic acids into the perovskite precursor solution, enabling the formation of stable perovskite layers with controlled grain sizes. The phosphonic acid incorporation enables chemical modification of the perovskite surface, which is particularly beneficial for perovskite materials prone to defects. The spin coating method allows for precise control over the phosphonic acid concentration and deposition conditions, resulting in improved photovoltaic performance characteristics.

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A perovskite solar cell with enhanced electron transport layer performance through a novel manufacturing process. The cell employs a two-layer architecture where a dense titanium dioxide (TiO2) layer is deposited on a transparent conductive electrode, followed by a rough titanium dioxide layer. The dense layer serves as the electron transport layer, while the rough layer enhances carrier lifetime through its surface morphology. The cell achieves superior electron transport layer performance compared to conventional perovskite solar cells, with enhanced carrier lifetime characteristics.

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Perovskite solar cells with enhanced efficiency through large-area preparation and improved conversion. The cells employ a vacuum evaporation method to deposit a metal halide skeleton layer on the substrate surface, followed by immersion in an organic solution containing an amine compound. This approach enables complete solid-phase reaction between the metal halide and organic components, resulting in high-quality perovskite solar cells with improved photoelectric conversion efficiency.

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Perovskite solar cells with enhanced efficiency through a novel barrier layer configuration. The cells feature a perovskite light absorption layer, electron transport layer, and source electrode, with a conductive barrier layer between the electron transport layer and source electrode. The barrier layer is formed through vapor deposition of a transparent conductive oxide (TCO) material, which prevents light absorption and maintains device stability. This barrier layer configuration enables improved efficiency compared to conventional perovskite solar cells, particularly in inverted and tandem configurations.

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Method for manufacturing perovskite solar cells and tandem solar cells through uniform thin-film electrode deposition. The method employs a single plasma power supply to generate multiple plasma areas, enabling the formation of uniform thin-film electrodes in large-area solar cells. The electrodes are patterned using sputtering or CVD/ALD processes, ensuring consistent film characteristics across the solar cell surface. This approach replaces conventional solution-based electrode deposition methods, which can lead to non-uniform film properties.

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A method for producing high-quality perovskite layers through controlled crystallization processes. The method involves depositing a precursor layer comprising a perovskite organic salt on a perovskite inorganic salt precursor layer, followed by controlled thermal treatment to induce crystallization. This controlled crystallization process enables the formation of perovskite layers with improved crystal quality, which is critical for achieving efficient photovoltaic performance.

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A perovskite solar cell preparation method that enhances photoelectric conversion efficiency by creating a dense perovskite layer through controlled post-processing. The method involves a novel post-treatment solution comprising an isocyanate compound and chlorobenzene, which is applied to the perovskite crystal layer. The solution penetrates the crystal structure through mesopores, forming a dense perovskite layer that replaces the original grain boundaries. This dense layer structure significantly improves carrier transport characteristics, particularly in optoelectronic devices that require carrier longitudinal transport.

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Perovskite solar cells with enhanced electron transport efficiency through a novel manufacturing process. The process involves depositing a dense titanium dioxide layer on a transparent conductive electrode, followed by a titanium dioxide layer with a higher surface roughness. The dense layer serves as an electron transport layer, while the rough layer enhances electron transport by increasing contact area between the dense layer and perovskite material. This configuration enables improved electron transport characteristics, including faster carrier lifetimes and enhanced electron-hole recombination suppression, compared to conventional perovskite solar cells.

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A method for preparing high-efficiency organic-inorganic hybrid perovskite solar cells through a novel processing sequence that combines the benefits of perovskite synthesis and organic layer deposition. The method involves first forming a titanium dioxide layer on a substrate through a spin-coating process, followed by the deposition of a perovskite precursor solution on the titanium dioxide layer. The perovskite precursor is then annealed to form a functional layer, which is then followed by the deposition of a hole-transporting material (HTM) layer. This integrated approach enables the creation of high-performance perovskite solar cells with improved efficiency compared to conventional methods.

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Perovskite solar cells with enhanced stability and efficiency through a novel preparation method. The method involves creating a ferroelectric two-dimensional perovskite layer on a three-dimensional perovskite substrate, followed by a spin-coating process of a BCP electronic modification layer. This process enables the formation of a stable and efficient electron transport layer through controlled spin-coating conditions and annealing treatments. The BCP layer enhances the perovskite's electrical properties while maintaining its structural integrity. The combined perovskite-BCP layer system provides superior stability and efficiency compared to conventional perovskite solar cells.

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A perovskite solar cell with enhanced light absorption efficiency through optimized microcolumn array architecture. The cell comprises a matrix substrate with multiple microcolumn arrays of perovskite material, where each array is prepared with specific layer configurations optimized for electron transport, perovskite formation, and hole transport. The microcolumn arrays are arranged in a matrix structure to enhance light absorption, while the layer thicknesses are carefully controlled to optimize charge carrier separation and transport. This architecture enables improved light absorption efficiency compared to conventional perovskite solar cells.

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Highly stable perovskite solar cells with enhanced water vapor barrier properties, comprising a substrate, electron transport layer, perovskite absorption layer, hole transport layer, buffer layer, water vapor barrier layer, and gold electrode. The substrate is prepared through a controlled cutting and cleaning process to ensure uniform thickness and surface quality. The perovskite layer is deposited on the substrate, followed by the hole transport layer, electron transport layer, and buffer layer. A water vapor barrier layer is applied on top to prevent moisture ingress. The gold electrode completes the solar cell structure.

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A perovskite solar cell with enhanced photoelectric conversion efficiency through the use of an ionic liquid-modified perovskite layer. The cell employs a two-step spin-coating process where lead iodide precursor is combined with methylamine acetic acid (MAc) in the precursor solution. The MAc solution is then treated with ozone for 20 minutes, followed by spin-coating of the lead iodide precursor. This treatment process selectively modifies the perovskite layer, particularly addressing defects and non-radiative recombination pathways, while maintaining the perovskite's crystalline structure. The modified perovskite layer exhibits improved stability and photoelectric conversion efficiency compared to conventional perovskite films.

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A perovskite solar cell preparation method that enables efficient and stable perovskite solar cells. The method involves forming a hole transport layer on one side of the perovskite absorber layer, followed by a metal oxide protective layer on the side surface of the hole transport layer. This configuration creates a perovskite absorber layer with a protective oxide layer that prevents interface defects while maintaining the perovskite's light-absorbing properties. The protective oxide layer is formed through a controlled reaction of metal-organic compounds with oxygen, which can be optimized through precise control of reaction conditions. The protective oxide layer is then followed by a conductive substrate, hole transport layer, electron transport layer, and second electrode layer.

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A perovskite solar cell with improved electron transport layer and hole transport layer properties. The cell features a perovskite layer prepared through a novel method that incorporates magnesium ions into the electrode surface, specifically targeting the interface between the perovskite and transport layers. This approach addresses the conventional challenges of SnO2-based electron transport layers by enhancing carrier recombination control and improving open circuit voltage. The cell structure includes a conductive substrate, a perovskite layer prepared through the novel method, and a hole transport layer. The perovskite layer is prepared through a solution method that incorporates magnesium ions, followed by spin-coating and annealing. The cell's performance is evaluated through photovoltaic measurements.

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A perovskite solar cell preparation method that enhances stability by introducing a novel two-step process for the perovskite layer. The method involves first preparing a lead iodide perovskite layer on a conductive substrate through a spin-coating process, followed by a second step where the perovskite layer is treated with an organic halide solution. This approach combines the benefits of conventional perovskite deposition with the improved stability of organic halide-based treatments, enabling the creation of high-performance perovskite solar cells with enhanced durability.

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A perovskite solar cell with improved stability through a novel surface modification process. The modification involves depositing a perovskite layer on a tin-lead mixed perovskite solar cell substrate, followed by a spin-coating of a modified solution containing 2-mercaptobenzimidazole. The modified solution enhances the stability of the perovskite layer by introducing mercapto groups that prevent Sn2+ oxidation, thereby protecting the perovskite material from degradation.

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Method for manufacturing perovskite solar cells that improves hole mobility and extraction efficiency while minimizing damage to base layers or electrode layers. The method involves sequential processing of the solar cell structure: first, a metal oxide layer is oxidized to enhance hole mobility. The oxidized metal oxide layer is then stacked on the hole transport layer. Subsequent layers, including a perovskite layer and an electron transport layer, are sequentially deposited on the oxidized metal oxide layer. This sequential approach ensures efficient hole extraction while preserving the base layer and electrode structure.

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A novel method for preparing perovskite solar cells through a single-step process that enhances stability and efficiency. The method involves depositing a perovskite layer on a substrate surface, followed by a hole transport layer and then a perovskite layer. The deposition process employs a combination of spin coating and electron beam deposition, with optimized parameters to achieve high-quality perovskite layers while maintaining structural integrity. This approach eliminates the need for multiple layers and subsequent processing steps, while maintaining the perovskite's photovoltaic properties.

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