Additive Engineering in Antisolvent for Widening the Processing Window and Promoting Perovskite Seed Formation in Perovskite …
The chlorobenzene (CB) antisolvent is widely used to fabricate high-efficiency perovskite solar cells (PSCs). However, the narrow processing window and the strict volume ratio of a binary mixed solvent limit the fabrication of large-area and high-quality perovskite films. In this work, by systematic investigation of additives with the CB …
Could halide perovskites revolutionalise batteries and …
Halide perovskites, both lead and lead-free, are vital host materials for batteries and supercapacitors. The ion-diffusion of halide perovskites make them an …
Understanding the effect of antisolvent on processing window and …
One-step method assisted by antisolvent is the most useful strategy to fabricate perovskite solar cells (PSCs) with high power conversion efficiency (PCE). …
Anti-Solvent Crystallization Strategies for Highly Efficient Perovskite …
Crystals 2017, 7, 294 4 of 21 3. Anti-Solvent Dripping Technique to Prepare Polycrystalline Perovskite Films 3.1. Anti-Solvent Dripping: An Introduction Normally, to replicate the anti-solvent ...
Anti‐Solvent‐Free Fabrication of Stable FA0.9Cs0.1PbI3 …
In this study, 2-(naphthalen-2-yl)ethylamine hydriodide (NEAI) is employed as the surface passivator for perovskite films without using any anti-solvent. …
Optimization of anti-solvent engineering toward high performance perovskite …
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 …
Review article Solvent engineering for the formation of high-quality perovskite …
However, it takes a long process to study and select the solvent system. (2) Anti-solvent optimization: Anti-solvent optimization is to use the counter-trend of solvent solubility to regulate the morphology and size of perovskite crystals, which …
Chlorobenzene solvent annealing of perovskite thin films for improving efficiency and reproducibility of perovskite …
In recent years, metal halide perovskite solar cells have developed rapidly, with certified power conversion efficiency of over 25% for single-junction solar cells. However, these devices still face challenges such as low efficiency and poor reproducibility, where the quality of the absorbing layer is an essential factor affecting the performance of …
Preparation of highly efficient and stable CsPbBr3 perovskite solar cells based on an anti-solvent …
To observe the morphology evolution of the PbBr 2 films before and after washing with different anti-solvent, SEM has been introduced to characterize the surface morphology of the PbBr 2 films, as shown in Fig. 2.As shown in Fig. 2 a for the control group, without anti-solvent treatment, PbBr 2 crystallizes slowly, which results in a dense PbBr …
Green Anti-solvent Processed Efficient Flexible Perovskite Solar …
Flexible perovskite solar cells (PSCs) possess compatible features with low-cost, high throughput production approaches, showing great potentials in wearable, portable, flyable, and deployable applications. However, flexible PSCs with superior efficiency are commonly fabricated with an anti-solvent assisted crystallization (ASAC) …
Environmentally friendly anti-solvent engineering for high-efficiency tin-based perovskite …
Tin-based perovskites are the most likely alternative candidates for lead-based counterparts due to their low toxicity and excellent optoelectronic properties. However, their uncontrollable crystallization process limits the improvement of device performance. Here, a green anti-solvent (acetic acid, HAc) has
Methanol as an anti-solvent to improve the low open-circuit voltage of CsPbBr3 perovskite …
CsPbBr3 has received more and more attention in the field of optoelectronic devices due to its excellent stability. To address the cost and environmental concerns associated with the use of toxic methanol, water has been explored as a substitute solvent for CsBr in the preparation of CsPbBr3 perovskite solar
We have demonstrated the fabrication of perovskite thin films under ambient conditions by treating films using an anti-solvent, either one of two chlorinated anti-solvents or a …
Selection of an anti-solvent for efficient and stable cesium-containing triple cation planar perovskite …
The perovskite layer is a crucial component influencing high-performance perovskite solar cells (PSCs). In the one-step solution method, anti-solvents are important for obtaining smooth and uniform perovskite active layers. This work explored the effect of various anti-solvents on the preparation of triple c
A New Insight of Anti‐Solvent Electrolytes for Aqueous Zinc‐Ion Batteries …
Aqueous zinc-ion batteries (AZIBs) have attracted wide attention for large-scale energy storage. However, the practical application of AZIBs is limited by the poor reversibility of Zn anodes. Recently, a strategy of adding low-cost anti-solvent to electrolytes is proposed ...
Enhanced performance of perovskite solar cells via …
The defects at the surfaces and grain boundaries of organic–inorganic halide perovskite films are detrimental to both the efficiency and stability of perovskite solar cells. Here, we introduce an in …
Optimized Interfaces in Anti-Perovskite Electrolyte-Based Solid-State Lithium Metal Batteries …
Solid-state lithium metal batteries have attracted broad interest as a promising energy storage technology because of the high energy density and enhanced sa... Figure 2 depicts the cycling stability of lithium metal symmetric batteries. As shown in Figure 2A, for the cell with a bare SSE pellet, in a current density of 0.1 mA cm −2, the …
Antisolvents in Perovskite Solar Cells: Importance, Issues, and …
Advanced Materials Interfaces, is the open access journal for research on functional interfaces and surfaces and their specific applications. Organic–inorganic metal halide perovskite solar cells are emerging as potential solar …
Anti-solvent free fabrication of FA-Based perovskite at low temperature towards to high performance flexible perovskite solar cells …
This is the best performance so far of preparing anti-solvent free flexible PSCs at low temperature (≤100 C). • Obtain high-quality perovskite films with highly-orientated crystallization, uniform morphology and low defect-states. • …
A general approach to high-efficiency perovskite solar cells by …
Deposition of perovskite films by antisolvent engineering is a highly common method employed in perovskite photovoltaics research. Herein, we report on a …
Selection of anti-solvent and optimization of dropping volume for the preparation of large area sub-module perovskite solar cells …
In order to facilitate comparison, the volumes of the perovskite precursor and the anti-solvent are set at 25μl and 75μl, respectively. Fig. 1 (a) shows a diagram for the preparation process of uniform, large-grained and dense perovskite film. The process consists of five ...
Solvent–antisolvent interactions in metal halide perovskites
The fabrication of metal halide perovskite films using the solvent-engineering method is increasingly common. In this method, the crystallisation of the perovskite layer is triggered by the application of an antisolvent during the spin-coating of a perovskite precursor solution. Herein, we introduce the curr
Research progress of green antisolvent for perovskite solar cells
This review primarily discusses the impact of various green antisolvents on the fabrication of thin perovskite films and analyzes the main chemical characteristics of …
Multifunctional Green Solvent for Efficient Perovskite Solar Cells
Abstract Organometal trihalide perovskite has recently been considered as one of the leading candidates to achieve highly efficient perovskite solar cells (PSCs). However, current PSC procedures commonly rely on the large volume of highly toxic halogenated or highly flammable solvents which are not favorable for the large-scale …
Efficient perovskite cells with a structured anti-reflective layer
Perovskite-based solar cells, widely considered as successors to the currently dominant silicon cells, due to their simple and cost-effective production process combined with their excellent performance, are now the subject of in-depth research.
Research progress of green antisolvent for perovskite solar cells
Currently, most efficient perovskite solar cells are fabricated using anti-solvent methods with commonly used anti-solvents like chlorobenzene and toluene, which brings toxic …
Solvent engineering towards scalable fabrication of high-quality perovskite …
Modulating the physicochemical properties of solvents in precursor inks ensures a controllable crystallization process, which is beneficial for the scalable fabrication of high-quality perovskite films towards efficient solar modules. Download: Download high-res image (168KB) ...
Getting rid of anti-solvents: gas quenching for high performance perovskite …
As the field of perovskite optoelectronics developed, a plethora of strategies has arisen to control their electronic and morphological characteristics for the purpose of producing high efficiency devices. Unfortunately, despite this wealth of deposition approaches, the community experiences a great deal of irreproducibility between different laboratories, …
One-step anti-solvent associated method for high performance two-dimensional perovskite …
In order to investigate the effect of anti-solvents for the formation of 2D perovskite (PEA) 2 PbI 4 thin films, the thin films were fabricated on glass substrates by varying anti-solvent solutions at an identical temperature of 120 for …
Crystallization Dynamics of Sn‐Based Perovskite Thin Films: Toward Efficient and Stable Photovoltaic Devices …
As shown in Figure 4a, the mixed solvent of DMSO/toluene (TL)/hexane are prepared, where DMSO, TL, hexane serve as precursor solvent, miscible anti-solvent, and immiscible anti-solvent, respectively. It is shown that the film morphology is significantly influenced by the extraction speed of the crystal, which could be adjusted by changing the …
Antisolvents in Perovskite Solar Cells: Importance, Issues, and …
Antisolvent treatment increases the nucleus density during film formation to produce uniform and pinhole‐free perovskite film, which facilitates improved solar cell …
When using trifluorotoluene (TFT) to replace toluene and chlorobenzene as a novel antisolvent, we achieve a power conversion efficiency (PCE) of 20.3% under optimized …
Volatile Dual‐Solvent Assisted Intermediate Phase Regulation for Anti‐Solvent‐Free Perovskite …
The unprecedented development of perovskite solar cells (PSCs) makes them one of the most promising candidates for terawatt-scale green energy production with low cost. However, the high boiling point solvents during the …
