Modified Transport Layers in Perovskite Solar Cells

Inverted perovskite solar cells with enhanced hole transport properties achieved through the use of iron-doped nickel oxide as a hole transport layer. The iron-doped nickel oxide layer is prepared through magnetron sputtering of a nickel oxide target with iron doping, ensuring superior conductivity and transparency compared to conventional nickel oxide. This iron-doped nickel oxide layer replaces the traditional hole transport layer in inverted perovskite solar cells, significantly improving device performance by enhancing hole collection efficiency.

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A method to enhance perovskite solar cells by preventing halogen migration through a novel interface layer. The layer, comprising a conductive polymer containing a high-doped halogen, replaces the conventional passivation layer in the perovskite absorption layer. This polymer layer prevents halogen migration while maintaining electrical conductivity. The polymer layer can be formed through evaporation or chemical vapor deposition, and its high-doped halogen content ensures effective passivation of the perovskite while maintaining its electrical properties.

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Perovskite solar cells with enhanced hole transport layer performance through a novel hole transport layer structure. The cell architecture comprises a substrate with a textured surface, a composite hole transport layer with a protective layer and a magnetron-sputtered hole layer, and a perovskite layer. The hole transport layer has a transition region where the protective layer and the hole layer are joined, with the hole layer comprising a nickel oxide-based material and the protective layer comprising a metal oxide. This transition region enables improved hole transport properties while maintaining structural integrity.

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A perovskite solar cell with enhanced performance through the use of a double hole transport layer. The cell employs a transparent conductive substrate as the base layer, followed by a PCBM (polystyrene butadiene copolymer) electron transport layer, and finally a double hole transport layer that bridges the perovskite light-absorbing layer and the electron transport layer. This design eliminates the conventional PEDOT:PSS hole transport layer, which typically has a HOMO energy level of -5.0 eV, by introducing a material with an energy level between the perovskite light-absorbing layer and the electron transport layer.

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Perovskite solar cells with enhanced photoelectric conversion efficiency through the use of a modified electron transport layer. The layer is prepared by depositing reduced graphene oxide (rGO) on the perovskite absorber surface, followed by deposition of a perovskite absorber layer on the rGO surface. The rGO layer is then replaced with a perovskite absorber layer, while maintaining the hole transport layer. This approach enables improved charge carrier mobility and reduced carrier loss in perovskite solar cells.

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Preparing a perovskite solar cell that has high photoelectric conversion efficiency. The perovskite solar cell includes an alkali metal thiocyanate modified electron transport layer, which comprises a conductive substrate, an electron transport layer, an alkali metal thiocyanate modified layer, a perovskite light absorption layer, a hole transport layer and an electrode which are sequentially stacked.

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A method for improving the stability and efficiency of perovskite solar cells through interface modification. The method involves applying a thin layer of a polymer-based interface material (such as Parylene N, C, or F) between the perovskite layer and the substrate. This layer acts as a protective barrier against environmental degradation, including moisture and oxygen, while also facilitating charge transport. The polymer-based interface material enhances the perovskite's interface properties, particularly its stability and resistance to degradation under environmental conditions.

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Modifying the common electron transport layer to improve the performance and stability of the device. The modification includes carrying out a first treatment on the surface of the A is at least one selected from organic cations and inorganic cations, b is selected from divalent metal ions, x is selected from halogen ions.

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A perovskite solar cell with a double-layer trifluoroacetate modification layer that enhances stability and efficiency through a novel interface modification process. The modification layer, comprising trifluoroacetate methylsulfide, is applied to both the electron transport layer and perovskite layer, creating a dual-layer interface that prevents defects and promotes efficient charge transfer. This approach enables the creation of perovskite solar cells with improved power conversion efficiency and stability compared to conventional single-layer modifications.

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A perovskite solar cell with enhanced efficiency and stability through a novel interface modification approach. The cell comprises a perovskite light-absorbing layer, a hole transport layer, an electron transport layer, and a metal electrode. A thermally activated delayed fluorescence polymer material is applied between the perovskite and hole transport layers, specifically between the perovskite and electron transport layers. This polymer modification layer enables efficient energy transfer between the perovskite and QW, thereby reducing radiative recombination losses and increasing the perovskite solar cell efficiency.

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A perovskite solar cell with enhanced efficiency and stability through a novel modification layer. The cell comprises a conductive glass substrate, electron transport layer, perovskite active layer, hole transport layer, metal counter electrode, and a two-dimensional double-metal perovskite compound modification layer containing diamine ions. The modification layer is positioned between the perovskite active layer and the electron transport layer, and between the perovskite active layer and the hole transport layer. This layer suppresses non-radiative recombination at the interface while enhancing carrier transport through its inorganic framework. The modification layer also exhibits excellent photothermal stability due to its hydrogen-bonded interaction with the organic cation layer.

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Electron transport layer additive to improve the photoelectric conversion efficiency and stability of the perovskite solar cell. The additive comprises an 18-crown-6 and an alkali metal salt.

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Interface modification for perovskite solar cells to enhance stability and performance. The modification involves treating the perovskite layer with a hydrophobic polymer coating, followed by a buffer layer of a hydrophilic polymer. This approach addresses the hydrophobicity issues associated with traditional PEDOT:PSS hole transport materials in perovskite solar cells by creating a hydrophobic interface between the perovskite and the substrate.

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Ammonium fluoride-modified tin dioxide electron transport layer for perovskite solar cells, which improves charge extraction efficiency and reduces interface defects through the incorporation of ammonium fluoride. The modified tin dioxide layer enhances electron transport properties while maintaining chemical stability at low temperatures, enabling high-performance perovskite solar cells with improved efficiency and stability.

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Organic electron transport layer for perovskite solar cells that improves charge carrier mobility and reduces interface defects. The novel transport layer is prepared through a spin-coating process that enables continuous chlorobenzene deposition at elevated temperatures, eliminating the need for solvent-based processing. The layer's composition and concentration are optimized to balance charge carrier mobility and interface stability, resulting in enhanced photoelectric conversion efficiency compared to conventional PCBM-based electron transport layers.

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High-voltage perovskite solar cells with enhanced open-circuit voltage through the use of ultra-thin hole transport layers. The solution dynamic spin coating method enables precise control over PTAA film thickness and quality, while the surface treatment with ultraviolet ozone improves film uniformity and hydrophilicity. This approach enables the fabrication of transparent perovskite solar cells with open-circuit voltages above 1.1 V, surpassing conventional devices.

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Perovskite solar cell with a hole transport layer that incorporates 1,4-diiodotetrafluorobenzene (DTB) doped spiro-OMeTAD, enabling high efficiency perovskite solar cells with improved carrier transport properties. The DTB-doped spiro-OMeTAD hole transport layer replaces traditional dopants like lithium tetrakis(4,4'-bipyridine) bis(trifluoromethanesulfonimide) (LiTFSI) and 4-tert-butylpyridine (TBP), which previously compromised perovskite stability. The DTB-doped spiro-OMeTAD layer enhances hole transport while maintaining the spiro-OMeTAD's charge transport capability, resulting in improved solar cell efficiency.

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A perovskite solar cell with enhanced performance through a novel doping approach. The cell employs a tributyl phosphate-doped nickel oxide layer as the hole transport layer, which significantly improves surface roughness and electrical conductivity. A thin lithium fluoride layer is deposited between the hole transport layer and perovskite layer, creating a uniform interface with mirror-like properties. This dual-layer architecture addresses the issues of surface defects and interface recombination in nickel oxide-based perovskite solar cells. The cell achieves improved carrier transport and reduced interface defects, resulting in enhanced photovoltaic performance.

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A trans-structured perovskite solar cell with a double-layer hole transport layer and preparation method, which improves the transport ability and stability of the hole transport layer by incorporating a titanium dioxide (TiO2) interlayer. The cell structure comprises a transparent conductive glass substrate with a titanium dioxide interlayer, followed by a perovskite solar cell with a double-layer hole transport layer. The TiO2 interlayer enhances the hole transport properties of the hole transport layer while maintaining the perovskite's perovskite properties.

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A perovskite solar cell with enhanced stability through a novel perovskite light-absorbing layer modification. The modification layer is a halogenated fused heterocyclic iron salt compound, specifically designed to address the thermal degradation issues associated with conventional perovskite solar cells. The modification layer is deposited between the perovskite light-absorbing layer and the top electrode layer, creating a barrier against thermal degradation while maintaining the perovskite's light-absorbing properties. This approach enables high-efficiency perovskite solar cells with improved thermal stability compared to conventional methods.

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Perovskite solar cell with enhanced low-light performance through a multilayer gradient electron transport layer. The cell features a substrate, transparent conductive layer, electron transport layer, and organic perovskite layer, with the electron transport layer comprising a lead-doped tin oxide multilayer gradient energy level structure. The gradient layer is prepared through sequential deposition of tin oxide with varying doping levels, achieving ultra-thin and uniform multilayer architecture. This multilayer design reduces interface recombination and leakage current, particularly beneficial in low-light conditions where traditional perovskite solar cells often suffer from reduced efficiency.

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Perovskite solar cell electron transport layer with enhanced performance through a novel composition and preparation method. The layer combines FTO conductive glass, electron transport layer, mesoporous film, perovskite film, hole transport layer, and metal electrode components to create a superior electron transport layer for perovskite solar cells. The composition and preparation process enable improved charge carrier transport properties, reduced recombination rates, and enhanced overall solar cell efficiency.

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A perovskite solar cell with improved charge extraction and hole mobility through a single-step modification of the electron transport layer. The modification involves a spontaneous reaction between sulfur ions and zinc ions in a solution, resulting in the formation of a stable S-doped ZnO layer. This layer replaces the conventional zinc titanate electron transport layer, enhancing charge extraction and hole mobility while maintaining the perovskite's light absorption properties. The modified layer is achieved through a novel one-step process that combines sulfur-containing materials with zinc precursor solution, enabling rapid and efficient film formation.

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A perovskite solar cell with enhanced stability through a novel interface modification technique. The cell employs a layer of oxidation treatment between the electron transport layer and perovskite light-absorbing layer to improve interface properties. This modification enables improved charge carrier transport and reduced degradation rates, leading to higher photovoltaic efficiency. The oxidation layer is prepared using a low-temperature solution method, enabling precise control over the oxidation process.

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A perovskite solar cell with a composite transport layer that enables high-performance solar cells while maintaining stability. The cell structure features a transparent conductive oxide layer as the transport layer, followed by a perovskite layer, an organic transport layer, and an insulating oxide layer. The insulating oxide layer is prepared using atomic layer deposition (AAD) rather than traditional sacrificial layers, ensuring precise control over its properties. This approach eliminates the need for sacrificial layers while maintaining the integrity of the original battery architecture. The composite transport layer enables efficient hole and electron transport, while the insulating oxide layer maintains energy level matching and prevents electrode material diffusion. The transparent conductive oxide layer provides excellent conductivity while protecting the organic materials from particle and ion damage.

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A perovskite solar cell with enhanced stability through a novel electron transport layer. The cell incorporates a cesium-doped tin dioxide (CdTe) thin film as the electron transport layer, which provides superior hole transport properties compared to conventional metal oxide-based layers. The CdTe layer is deposited using chemical vapor deposition (CVD) and is combined with a silicon carbide-silica nanopolymer layer and a metal electrode. The nanopolymer layer acts as a transparent conductive substrate, passivating surface defects and improving carrier utilization. The CdTe layer serves as the electron transport layer, while the nanopolymer layer enhances carrier collection and reduces interface recombination. This combination enables high-efficiency perovskite solar cells with improved stability and performance compared to conventional perovskite-based devices.

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A perovskite solar cell with enhanced stability through a novel electron transport layer preparation method. The cell features a conductive substrate, an electron transport layer prepared by a low-temperature solution method, a perovskite light-absorbing layer, a hole transport layer, and an electrode layer with a modified interface layer between the electron transport layer and perovskite layer. The modified interface layer incorporates C60, which significantly improves the perovskite solar cell's photoelectric conversion efficiency while maintaining stability.

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Flexible perovskite solar cells with improved charge transport properties through the use of a dual electron transport layer. The dual layer consists of a perovskite layer and a titanium dioxide layer, with the perovskite layer exhibiting enhanced electron transport capabilities. The titanium dioxide layer serves as a stable base for the perovskite layer, while the perovskite layer enables efficient electron transport. The dual layer architecture enables flexible substrates that can withstand thermal processing, while maintaining the perovskite layer's superior charge transport properties.

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A composite electron transport layer for perovskite solar cells that enhances carrier separation and electron transport through a novel interface engineering approach. The method involves creating a composite electron transport layer by integrating a perovskite material with a novel interface layer that selectively promotes charge separation and electron transport. This composite layer enables improved charge carrier alignment and reduced radiative recombination compared to conventional SnO2-based electron transport layers. The interface layer selectively enhances charge separation at the perovskite-SnO2 interface, while maintaining optimal hole blocking properties.

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Perovskite solar cell with a highly transparent conductive LaNiO3 hole transport layer and preparation method, featuring a perovskite light-absorbing layer, electron transport layer, interface modification layer, metal electrode, and LaNiO3 hole transport layer. The LaNiO3 layer provides excellent hole transport properties while ensuring transparency in the solar cell. The LaNiO3 layer is prepared through a spin-coating process followed by thermal annealing, resulting in a highly transparent conductive material.

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Bi2O2Se interface-modified perovskite solar cells with enhanced stability and efficiency. The method involves depositing Bi2O2Se on perovskite surfaces, where the Bi2O2Se layer improves electron transport properties, enhances carrier separation, and enhances light absorption. This Bi2O2Se interface modification enables improved perovskite stability compared to conventional titanium dioxide electron transport layers, leading to higher energy conversion efficiency and reduced degradation.

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A perovskite solar cell with improved electron transport layer performance through the use of a zirconium oxide passivation layer. The layer is grown in situ on the tin oxide electron transport layer, providing both enhanced conductivity and long carrier diffusion length. This approach addresses the limitations of traditional tin oxide electron transport layers by eliminating site-dependent oxygen vacancies, which are a primary cause of carrier recombination. The zirconium oxide layer also prevents dislocations from forming, further contributing to device stability and performance.

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A double hole transport layer perovskite solar cell that enhances stability and cost-effectiveness of perovskite solar cells. The cell incorporates a double hole transport layer comprising a perovskite material that combines the benefits of hole transport materials with enhanced stability and cost-effectiveness. The double hole transport layer is prepared using a vacuum evaporation method, enabling large-area production while maintaining environmental sustainability. This approach replaces conventional solution-based methods, offering a more efficient and environmentally friendly solution for perovskite solar cell production.

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Inverted perovskite solar cells with enhanced hole transport layer performance through a novel modification layer. The cell comprises a conductive substrate, a hole transport layer, a hole transport layer modification layer, a perovskite light-absorbing layer, an electron transport layer, and a metal electrode. The modification layer, comprising an alkali metal halide, is applied between the hole transport layer and perovskite layer, significantly improving adhesion and reducing interface recombination compared to conventional hole transport layers. This approach enables higher efficiency perovskite solar cells by addressing traditional limitations in hole transport layer performance.

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Perovskite solar cell with a sandwich structure electron transport layer that enhances efficiency through a novel ultra-thin carbon quantum dot layer. The cell features a SnO2 electron transport layer sandwiched between a carbon quantum dot layer and a SnO2 layer, where the carbon quantum dot layer is 10nm thick. This configuration improves carrier recombination at the interface while maintaining high electron mobility. The sandwich structure enables precise control over the electron transport layer thickness, enabling optimal balance between carrier transport and interface recombination.

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A perovskite solar cell with improved efficiency by using a gradient isoelectric transport layer. The cell has a stacked structure with a gradient electron transport layer made by injecting metallic ions into oxide films. This provides a gradual energy band structure for the electrons to transition through. The gradient layer improves extraction of electrons from the perovskite active layer compared to conventional heterojunction electron transport layers.

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A dual-electron transport layer (ETL) inorganic perovskite solar cell that enhances photoelectric conversion efficiency through improved light absorption and electron transport. The ETL comprises a perovskite light-absorbing layer with a modified interface structure that optimizes the SnO2 electron transport layer and perovskite conduction band. This dual-layer architecture addresses the energy level mismatch between SnO2 and perovskite, enabling efficient electron-hole recombination and improved device performance.

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A perovskite solar cell with improved stability and efficiency through a novel double-layer composite hole transport layer. The cell employs a sequential preparation approach where an electron transport layer is first deposited on a transparent conductive substrate, followed by a perovskite light-absorbing layer. A proprietary organic-inorganic double-layer composite hole transport layer is then applied on top, followed by a transparent electrode. This architecture combines the benefits of perovskite materials with the stability and durability of a hole transport layer.

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A perovskite solar cell with enhanced charge transport properties achieved through a novel bulk heterojunction (BHJ) charge transport layer. The BHJ layer combines a polymer and fullerene derivative structure, where the polymer serves as the charge transport material. The polymer-fullerene BHJ layer achieves superior electron transmission rates compared to conventional fullerene-based charge transport layers, enabling higher photoelectric conversion efficiencies in perovskite solar cells.

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Perovskite solar cell with enhanced hole transport layer featuring a hybrid structure combining carbon nanotubes with PEDOT:PSS. The hybrid hole transport layer comprises a carbon nanotube-PEDOT:PSS stack, where PEDOT:PSS is laminated on single-walled carbon nanotubes. This layered structure enables efficient hole separation and selective transport while maintaining high light absorption efficiency. The hybrid hole transport layer is integrated with an electron transport layer between the perovskite light-absorbing layer and the second electrode.

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Solar cell with enhanced photoelectric conversion efficiency through a novel hole transport layer design. The cell features a light-absorbing layer with a specific composition, where the monovalent cation and M (M = metal ion) concentrations are optimized to minimize carrier recombination at the interface with the hole transport layer. This design enables higher efficiency by reducing the recombination of carriers at the interface between the hole transport layer and the perovskite layer.

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Solar cell architecture that enhances efficiency through controlled defect density in perovskite light-absorbing layers. The architecture features a reverse stack structure where the perovskite layer is formed on a titanium oxide (TiO2) layer, with a nickel oxide (NiO) layer serving as the hole transport layer. The perovskite layer's defect density is reduced through a novel processing step that creates a TiO2/ NiO interface with a specific composition, enabling the formation of perovskite crystals with lower defect densities compared to conventional perovskite layers. This defect-controlled perovskite layer architecture improves carrier recombination and reduces short-circuit current density, resulting in higher photoelectric conversion efficiency.

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A perovskite solar cell with a composite electron transport layer structure that addresses common issues in perovskite solar cells. The cell features a transparent conductive substrate, a dense layer of MgO-modified ZnO with intramolecular protonated EA+ surface, and a perovskite absorption film layer. This composite electron transport layer structure enables efficient electron transport and charge collection while eliminating interface charge recombination, resulting in improved stability and efficiency compared to conventional perovskite solar cells.

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A perovskite solar cell with a composite electron transport layer that enhances efficiency and stability. The cell features a perovskite solar cell with a composite electron transport layer comprising a perovskite layer and a metal oxide layer. The metal oxide layer, comprising a metal oxide such as zinc oxide or zinc tin oxide, provides additional charge transport properties while the perovskite layer enhances light absorption and electron collection. The composite layer enables improved charge carrier transport and stability in perovskite solar cells.

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A perovskite solar cell with an organic-inorganic composite hole transport layer that achieves high efficiency while maintaining stability. The composite hole transport layer combines organic and inorganic materials to enhance hole mobility and stability, enabling perovskite solar cells to achieve efficiencies above 20% while maintaining long-term performance. The composite layer replaces traditional organic hole transport materials with a stable, hydrophobic inorganic material that maintains hole mobility during the photovoltaic process.

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Perovskite solar cell with nano-metal oxide hole transport layer and preparation method, featuring a hole transport layer made from inorganic metal oxides. The cell employs a nano-metal oxide hole transport layer, which is prepared through chemical solution spin coating or magnetron sputtering, followed by the deposition of a perovskite light absorption layer. The nano-metal oxide layer is then applied using a dual-source co-evaporation method, followed by the deposition of a perovskite light absorption layer. The resulting cell achieves high efficiency while maintaining stability through the use of a single material preparation method.

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Perovskite solar cells with improved hole transport efficiency through the use of a novel tetrastyrene polymer hole transport layer. The polymer, which exhibits high carrier mobility and stability, replaces traditional hole transport materials like Spiro-OMeTAD in perovskite solar cells. The polymer layer is prepared through a simple and cost-effective process involving a hot-stage annealing step followed by oxidation. The polymer layer serves as both the hole transport layer and electron transport layer, enabling enhanced solar cell performance while maintaining simplicity and cost-effectiveness compared to traditional hole transport materials.

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A perovskite solar cell with improved performance through a novel trans-planar architecture. The cell features a conductive glass substrate, a dense NiO hole transport layer, and a calcium-based interface layer. The NiO layer is enhanced with Li or Mg co-doping to significantly increase conductivity and transparency, while the interface layer provides stable properties. The trans-planar structure enables efficient charge transport across the cell architecture, eliminating hysteresis issues commonly associated with planar perovskite solar cells.

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Enhancing perovskite solar cell efficiency and stability through a novel electronic transport layer (ETL) design. The ETL comprises a reduced electrode layer and a surface decoration layer with a lithium fluoride (LiF) film, where the decoration layer is doped with aluminum, zinc, indium gallium zinc oxide (ZGO), or other dopants. This modified ETL architecture improves charge transport efficiency and stability in perovskite solar cells by enhancing the contact between the electrode and decoration layers, while maintaining the ETL's intrinsic properties.

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