Hybrid organic-inorganic perovskite materials of the form ABX 3 (where A = CH 3 NH 3, FA, or FA y (CH 3 NH 3) 1−y B = Pb, Sn, X = I, Cl) have recently emerged as promising material systems ...
In this research work, we investigated the stability of perovskite films and solar cells fabricated and annealed in natural air using four different anti-solvents: …
This review primarily discusses the impact of various green antisolvents on the fabrication of thin perovskite films and analyzes the main chemical characteristics of these green antisolvents. It also …
A perovskite solar cell. A perovskite solar cell (PSC) is a type of solar cell that includes a perovskite-structured compound, most commonly a hybrid organic–inorganic lead or tin halide-based material as the light-harvesting active layer. [1] [2] Perovskite materials, such as methylammonium lead halides and all-inorganic cesium lead halide, are cheap to …
Perovskite solar cells (PSCs) hold potential for low-cost, high-efficiency solar energy, but their sensitivity to moisture limits practical application. Current fabrication requires controlled ...
Charge carriers'' density, their lifetime, mobility, and the existence of trap states are strongly affected by the microscopic morphologies of perovskite films, and …
Anti-solvent treatment assisted crystallization is currently one of the most widely used methods to obtain high-quality perovskite films ascribed to its great operability. However, choosing a proper anti-solvent toward high-quality perovskite film for perovskite solar cells (PSCs) remains elusive. In this study, we qualitatively evaluate the impact of …
Even more importantly, in the case of pure tin or mixed lead/tin perovskite solar cells, anti-solvent crystallization was the sole manner to fabricate films of high quality and excellent surface coverage (Figure 5b). Quite notably, the current record efficiencies ...
Perovskite solar cells have attracted much attention due to their easy fabrication, low cost, and high photoelectric conversion efficiency. To reduce pollution, ... The promising pathways to design absorption-enhanced ultrathin perovskite solar cells are plasmonic light trapping and anti-reflection coating. In this paper, we propose a design ...
This review discusses the fundamentals of antisolvent treatment, various aspects of antisolvent application on perovskite film, different issues with antisolvent usage, and alternatives techniques for …
In this article, carbon quantum dots (CQDs), fabricated by non-focused laser irradiation of carbon nanomaterial diluted in anti-solvent ethyl acetate, denoted as EACQDs, were adopted for perovskite film defect passivation and modification of carbon-based CH 3 NH 3 PbI 3 perovskite solar cells (PSCs). The size of EACQDs can be …
Fig. 1 shows the physical structure of the Perovskite solar cell. The top-down proximity-based solar cell components according to Fig. 1 are:. a. The anti-reflection layer; we examined several different materials such as Al2O3 (Kumar et al., 2009), SiO2 (Palik, 1998), ZnO (ElAnzeery et al., 2015) in this layer, and the optimum thickness for …
The anti-solvent-free fabrication of high-efficiency perovskite solar cells (PSCs) holds immense significance for the transition from laboratory-scale to large-scale commercial applications. However, …
We propose a new "stitching effect" based on this mixed anti-solvent process, which results in a smooth surface morphology of perovskite with large grains. Solar cells fabricated using the anti-solvent process exhibit a best efficiency of 19.2%. Download: Download high-res image (231KB) Download: Download full-size image
1. Introduction. Over the past decade, organic-inorganic metal halide perovskite solar cells (PSCs) have garnered immense interest, achieving certified highest power conversion efficiencies (PCE) of 26.1% [1].For formamidinium (FA)-based perovskites such as FAPbI 3 or (FACs)PbI 3, which are more favorable concerning stability, one-step …
Low bandgap tin–lead halide perovskite (PVSK) presents promising opportunities for high-performance solar cells. However, the randomly crystallized Sn–Pb PVSK with a tin-rich surface is easily oxidized, leading to high-level p-type doping, which hinders the performance enhancement of the solar cell devices.
Photovoltaics have emerged as a promising solution to supply the power demands, with perovskite solar cells (PSCs) showing great potential. However, the challenge arises from the processing conditions that require high-temperature annealing and complex post-treatment processes. ... Additional enhancement was accomplished by …
Learn how to produce high-quality perovskite thin films for solar cells using a simple solvent engineering technique in ambient conditions.
1. Introduction. Organic–inorganic hybrid perovskite solar cell (PSC) has been intensively investigated as a promising candidate for the next-generation photovoltaic devices, which has provided affordable and clean energy with a certified power-conversion efficiency (PCE) over 25% [[1], [2], [3]].The significant progress relies on superior …
Solvent engineering is one of the most effective strategies to control perovskite film quality, which directly affects the performance of perovskite solar cells …
In this study, polyethylene oxide (PEO) is introduced into methylammonium lead iodide (MAPbI 3) perovskite to replace the standard anti-solvent washing process of perovskite solar cells forming PEO-MAPbI 3 composites, we achieved controllability of the perovskite surface morphology. Furthermore, the PEO addition improved the …
All inorganic CsPbI 3 perovskite solar cells (PSCs) have emerged as disruptive photovoltaic technology owing to their admirable photoelectric properties and the non-volatile active layer. However, the …
An anti-solvent-free (ASF) technique is devised to fabricate photostable pure-iodide wide-bandgap perovskite solar cells (PSCs). Compared with wide-bandgap PSCs made from anti-solvent process, …
The perovskite/silicon tandem solar cell (TSC) has attracted tremendous attention due to its potential to breakthrough the theoretical efficiency set for single-junction solar cells. However, the …
The anti-solvent-free fabrication of high-efficiency perovskite solar cells (PSCs) holds immense significance for the transition from laboratory-scale to large-scale commercial applications. However, the device performance is severely hindered by the increased occurrence of surface defects resulting from the lack of control over nucleation …
Perovskite solar cells (PSCs) have reached over 25% efficiency because of their extraordinary optoelectronic properties (1, 2) vice stability becomes the next big challenge that remains to be addressed before the device''s commercialization ().Stability issues of PSCs appear not only in perovskite layers but also in metal …
Ahn, N. et al. Highly reproducible perovskite solar cells with average efficiency of 18.3% and best efficiency of 19.7% fabricated via Lewis base adduct of lead(II) iodide. J. Am.
CsPbBr 3 perovskite solar cell has become a hot research object due to its excellent stability. It has been proved that anti-solvent washing is a good way to improve the crystal quality of organic-inorganic hybrid perovskite materials using a one-step spin-coating method.
We developed an in-situ method to build a defect passivation layer on the surface and grain boundaries of perovskite by introducing an additive of cetyltrimethylammonium chloride (CTAC) into the anti-solvent. Compared with pure IPA and toxic CB based anti-solvent process, perovskite solar cells prepared by green …
Perovskite solar cells have made significant strides in recent years. However, there are still challenges in terms of photoelectric conversion efficiency and long-term stability associated with perovskite …
Surface defects-mediated nonradiative recombination plays a critical role in the performance and stability of perovskite solar cells (PSCs) and surface post-treatment is widely used for efficient PSCs. ... = 5) up to 19.55%. This strategy is also very useful in other anti-solvent processed perovskite dipping systems, which paves a …
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