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5 · He, R. et al. Wide-bandgap organic-inorganic hybrid and all-inorganic perovskite solar cells and their application in all-perovskite tandem solar cells. Energy Environ. Sci. 14, …
5 · He, R. et al. Wide-bandgap organic-inorganic hybrid and all-inorganic perovskite solar cells and their application in all-perovskite tandem solar cells. Energy Environ. Sci. 14, …
Furthermore, the perovskite p-n homojunction structure[15] was proposed and demonstrated by precise regulation of the precursor stoichiometry. This homojunction was further integrated into planar perovskite solar cells (PSCs) to obtain excellent performance by introducing internal electric fields within the perovskite absorber layer[15]. Since ...
5 · Perovskite solar cells have shown promising potential in the next generation of photovoltaics due to their excellent photovoltaic performance. However, there is still a …
Perovskite solar cells (PSCs) have emerged as an attractive photovoltaic technology thanks to their outstanding power conversion efficiency (PCE). Further improvement in the device efficiency is limited by the recombination of the charge carriers in the perovskite layer even when employing heterojunction-based architectures. Here, we propose and demonstrate …
Homojunction Perovskite Solar Cells via a Detailed Photoelectric Simulation Yuqi Zhang, Zhenhai Yang,* Tianshu Ma, Zhenhai Ai, Changlei Wang, and Xiaofeng Li* DOI: 10.1002/aenm.202203366 recently received a new world record effi-ciency of 25.7% (26.7%). ...
Hole-transport-layer (HTL)-free carbon-based perovskite solar cells (C-PSCs) have attracted great attention due to their low production cost and simplified structure. Nevertheless, C-PCSs have not yet realized the high conversion efficiency achieved in …
The suboptimal carrier dynamics at the perovskite/electron transport layer has largely limited the further performance enhancement of the state-of-the-art inverted p-i-n structured perovskite solar cells. Herein, we discovered that a simple surface modification of the perovskite film by a trivalent metal hal
Here, a homojunction MaPbI3 perovskite solar cell with graphene-TiO2 nano-composite as the electron transport layer (ETL) has been numerically investigated. The effect of doping concentration on the p and n-doped section in the homojunction-MaPbI3 has been studied, showing that 1017 and 1016 cm−3 doping on the p and n section of MaPbI3, …
The inorganic perovskite CsPbI3 that exists in the form of a quantum dot (QD) shows a stable cubic structure, attracting much attention for its application in solar cells. However, too many grain boundaries in the perovskite QD (PQD) layer block the transport of carriers, resulting in the potential loss of solar cells. Herein, we devise a gradient-band alignment (GBA) …
Abstract: Perovskite-based solar cells with planar configuration have been perceived as an alternative and attractive option for photovoltaic technology due to high power conversion efficiency (PCE). The performance of heterojunction-based devices is hindered by the recombination in the perovskite layers. The homojunction is suitable for further improvement in …
Abstract. Although the conventional n-i-p or p-i-n perovskite solar cells (PSCs) can produce ultrahigh efficiency (>25%), complex synthesis/deposition processes together with strict …
Article Work function tuning of a weak adhesion homojunction for stable perovskite solar cells In this work, we reveal the existence of a built-in potential at the homojunction interface of the perovskite film near the electron-transporting SnO 2 layer. Adjustingtheenergy
Organometallic halide perovskites have rapidly become promising materials as a result of their outstanding properties in high-efficiency and low-cost next-generation solar cells. Perovskite materials can be adjusted to be por n-type by defect engineering through, for example, the self-doping method by controlling the precursor compositions and process conditions. Recently, a p …
A facile surface homojunction reconstruction is achieved by solvent treatment. • A PbI 2-rich perovskite surface is induced by the remove of excess FAI. The reconstructed n/n + homojunction brings about the enlarged built-in electric field. The reconstructed n/n + homojunction contributes to improved photovoltaic efficiency.
The obtained results will provide an efficient way for developing high-performance Ge-perovskite solar cells. 2. Device simulation parameters The device configuration of perovskite solar cell including the homojunction architecture, ITO/TiO 2 /n- …
Furthermore, the perovskite p-n homojunction has been developed by a combined deposition method, which provide the possibility for designing and preparing perovskite homojunction solar cells (PHSCs). PHSCs abandon the traditional electron transport layer and hole transport layer, simplifying the device structure.
Here, we developed a one-step self-assembly strategy to construct a p/p − homojunction of Sn–Pb perovskite using the antioxidant 4-trifluoromethylphenylhydrazine …
However, too many grain boundaries in the perovskite QD (PQD) layer block the transport of carriers, resulting in the potential loss of solar cells. Herein, we devise a gradient …
All-perovskite tandem solar cells (PTSCs) demonstrate higher power conversion efficiency (PCE) and lower levelized cost of electricity than single-junction perovskite solar cells (PSCs). However, narrow bandgap (NBG) sub-cells with a Sn–Pb alloy cause severe p-type self-doping by surface oxidized Sn4+ to gen
Perovskite solar cells (PSCs) omitting all the charge transport layers with p-n homojunction structure are considered as a promising alternative for commercialization owing to the ...
In this work, we report the working of a p-n homojunction perovskite solar cell by simulating the current-voltage characteristics and the spatial distribution of photo-generated …
Efficiency has been known to be one of the most important factors in a solar cell. This article presents the results of a simulation performed on a perovskite/CIGS dual-junction solar cell. In this report, first, a top solar cell consisting of a perovskite absorber layer is simulated using the pn-junction; the separation and transfer of carriers in this structure are done by the …
Herein, efficient CsPbI 3 perovskite QD solar cells are demonstrated first with over 1 µm-thick active layer by developing an internal P/N homojunction. Specifically, an organic dopant 2,2′ …
In this work, we reveal the existence of a built-in potential at the homojunction interface of the perovskite film near the electron-transporting SnO2 layer. Adjusting the energy-level alignment at this interface is found to play a critical role in mitigating ion migration, which eventually enhances photovoltaic performance and stability.
Perovskite-silicon tandem solar cells offer a solution to exceed the Shockley–Queisser limit of their respective single-junction counterparts and significantly reduce …
Crystalline silicon (c-Si) solar cells featuring a high-temperature processed homojunction have dominated the photovoltaic industry for decades, with a global market share of around 93%. Integrating commercially available crystalline silicon solar cells with high-efficiency perovskite solar cells is a viable
Perovskite solar cells (PSCs) omitting all the charge transport layers with p–n homojunction structure are considered a promising alternative for commercialization owing to their low fabrication cost and simplified structure. ... Here, a thorough investigation of all-free perovskite–perovskite p–n homojunction structured PSCs is performed ...
In this work, we reveal the existence of a built-in potential at the homojunction interface of the perovskite film near the electron-transporting SnO2 layer. Adjusting the energy-level alignment at this interface is found to play a …
Here the authors construct a planar p–n homojunction perovskite solar cell to promote the oriented transport of carriers and reduce …
Lin et al. report the nonuniform doping of perovskite polycrystalline films by several metal ions and the homojunctions formed within each individual grain. The built-in electric field within each grain reduces the recombination of charge carriers at grain boundaries and grain interiors, leading to increased efficiency of perovskite solar cells.
Solar cells based on CdTe 7,8, quantum dot sensitized-based solar cells 9, CIGS 10,11, organic photo cells 12 and perovskite-based solar cells 13 have also been explored by researchers.
Generally, perovskite solar cells require carrier transport layers (CTL) to provide a built-in electric field and reduce the recombination rate. However, the construction of suitable electron- and hole-transport layers is not …
P-type self-doping is known to hamper tin-based perovskites for developing high-performance solar cells by increasing the background current density and carrier recombination processes. In this work, we propose a gradient homojunction structure with germanium doping that generates an internal electric field across the perovskite film to deplete …
Furthermore, the perovskite p-n homojunction structure[15] was proposed and demonstrated by precise regulation of the precursor stoichiometry. This homojunction was further integrated into planar perovskite solar cells (PSCs) to obtain excellent performance by
Furthermore, the perovskite p-n homojunction has been developed by a combined deposition method, which provide the possibility for designing and preparing perovskite homojunction solar cells (PHSCs). PHSCs abandon the …
Perovskite solar cells (PSCs) omitting all the charge transport layers with p–n homojunction structure are considered a promising alternative for commercialization owing to their low fabrication cost and simplified structure. Deep understanding of the device physics of ...
Herein, efficient CsPbI 3 perovskite QD solar cells are demonstrated first with over 1 µm-thick active layer by developing an internal P/N homojunction. Specifically, an organic dopant 2,2′-(perfluoronaphthalene-2,6 …
A long photoluminescence decay lifetime has been regarded as a generic indication of long charge carrier recombination lifetime in semiconductors such as metal halide …
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