The presence of defects at the interface between the perovskite film and the carrier transport layer poses significant challenges to the performance and stability of perovskite solar cells (PSCs).
Perovskite solar cells have shown remarkable progress in recent years with rapid increases in efficiency, from reports of about 3% in 2009 to over 25% today. While perovskite solar cells have become highly efficient in a very short time, a number of challenges remain before they can become a competitive commercial technology. Research Directions
Perovskite solar cells (PSCs) are extremely attractive due to their extraordinary power conversion efficiency and outstanding long-term stability. 1-5 Compared with rigid silicon-based solar cells, flexible PSCs are more suitable for the rise of smart devices, such as automobiles, smart buildings, and wearable health monitor devices. 6-9 So far ...
Perovskite solar cells (PSCs) with an inverted (p–i–n) architecture are recognized to be one of the mainstream technical routes for the commercialization of this emerging photovoltaic ...
Among the various emerging solar cell technologies, perovskite solar cells (PSCs) boast a remarkable power conversion efficiency (PCE) of up to 26.1%. Organic solar cells (OSCs) have also achieved an impressive PCE approaching 20%. As for the PSCs (Figure 1A), the record PCE exceeds 75% of the Shockley-Queisser limit.
The demand for building-integrated photovoltaics and portable energy systems based on flexible photovoltaic technology such as perovskite embedded with exceptional flexibility and a superior power-to-mass ratio is enormous. The photoactive layer, i.e., the perovskite thin film, as a critical component of flexible perovskite solar cells (F-PSCs), still …
Oxime-substituted thiophene (TO) is used as an acceptor (A) unit to copolymerize with the benzodithiophene (BDT) donor (D) unit to form a novel D–A polymer donor, PBDTTO, which has a low-lying highest occupied molecular …
In a groundbreaking article in Nature, Hou and co-workers recently reported a record-breaking efficiency of 27.1% for triple-junction perovskite–perovskite–silicon photovoltaics. This achievement is attributed to the implementation of cyanate in the ultra-wide-bandgap perovskite (1.93 eV) top cell, which has led to a high open-circuit voltage, uniform …
Oxime-substituted thiophene (TO) is used as an acceptor (A) unit to copolymerize with the benzodithiophene (BDT) donor (D) unit to form a novel D–A polymer donor, PBDTTO, which has a low-lying highest occupied molecular orbital energy level (EHOMO) of −5.60 eV and a wide bandgap of 2.03 eV, forming complementary absorption and matching energy levels with the …
To date, perovskite solar cells (PSCs) have achieved superior photovoltaic performance with a high power conversion efficiency (PCE) of over 22%. However, there are very few devices which have a high PCE and high stability …
Perovskite/silicon tandem solar cells have rapidly advanced. Whereas efforts to enhance the device efficiency have mainly focused on top sub-cell improvements, the recombination layer connecting ...
Since the function of the single-component antisolvent may be limited, a reducing agent named acetaldoxime (AO) was applied as the additive for the antisolvent. The analysis …
A widely used component of high-efficiency perovskite solar cells (PSCs) is the molecular hole-transport material (HTM) spiro-OMeTAD. This organic solid needs to be p-doped to acquire sufficient hole conductivity. …
The novel nanocomposite has been developed for use in the perovskite solar cells device, characterizations of the nanocomposite-electron transport layer (ETL) solution that can play an essential ...
As a result, the perovskite solar cells with the addition of BZHO demonstrate superior performance and operational stability, retaining 82% of the initial PCE under continuous 1-sun illumination for 800 hours. Furthermore, the efficiency of all-perovskite tandem solar cells treated with BZHO reached 26.76%.
Planar perovskite solar cells (PSCs) can be made in either a regular n–i–p structure or an inverted p–i–n structure (see Fig. 1 for the meaning of n–i–p and p–i–n as regular and inverted architecture), They are made from either organic–inorganic hybrid semiconducting materials or a complete inorganic material typically made of triple cation semiconductors that …
Abstract. The stability and durability of perovskite solar cells (PSCs) are two main challenges retarding their industrial commercialization. The encapsulation of PSCs is a critical process that improves the stability of PSC devices for practical applications, and intrinsic stability improvement relies on materials optimization.
To facilitate the fabrication of efficient perovskite solar cells (PSCs), we employed a primary n-i-p planar structure ... (ITO/SnO 2 /FA 0.92 MA 0.08 PbI 3 /PEAI/HTL/MoO 3 /Ag) using a one …
Self-assembled monolayers (SAMs) have become pivotal in achieving high-performance perovskite solar cells (PSCs) and organic solar cells (OSCs) by significantly minimizing interfacial energy losses.
Perovskite solar cells (PSCs) based on lead halide perovskite (e.g., CH 3 NH 3 PbI 3) have recently attracted attention in the photovoltaic industry because of their low costs and high efficiency ...
Zhao et al. develop a comprehensive optoelectronic model to elucidate the underlying physics of two-terminal perovskite/organic tandem cells. To improve device efficiency, influential parameters and recombination losses are identified. Mechanisms in interconnecting layers concerning surface coverages and resistances are unveiled. This work demonstrates …
High-purity precursor materials are vital for high-efficiency perovskite solar cells (PSCs) to reduce defect density caused by impurities in perovskite. In this study, we present aqueous synthesized perovskite …
Exceptional power conversion efficiency (PCE) of 25.7% in perovskite solar cells (PSCs) has been achieved, which is comparable with their traditional rivals (Si-based solar cells). However, commercialization-worthy efficiency and long-term stability remain a challenge. In this regard, there are increasing studies focusing on the interface ...
Halide perovskites have attracted great attention from many researchers recently, particularly for their excellent optoelectronic properties in applications such as photovoltaic solar cells. In recent years, perovskite solar cells (PSCs) have made great progress with a power conversion efficiency exceeding of 26% comparable to single-crystal …
Chemical dopants are often required in organic hole transport materials (HTMs) to enhance the film conductivity and power conversion efficiency (PCE) of solar cells. Although …
Monolithic all-perovskite tandem solar cells have a higher theoretical efficiency limit than single-junction perovskite solar cells and silicon solar cells (1, 2) pared to other tandem photovoltaic (PV) technologies, all-perovskite tandems have distinctive advantage that the fabrication of both light absorbing layers is compatible with low-cost, low …
The win-win cooperation of lead-based mixed iodide/bromide wide-bandgap (WBG; approximately 1.7–1.9 electronvolt (eV)) perovskite top subcells with tin-lead (Sn-Pb) low-bandgap (LBG; approximately 1.1–1.3 eV) perovskite bottom subcells to construct all-perovskite tandem solar cells (TSCs) is a promising and cost-effective pathway to surpass the S-Q …
The intensity of the 1 cm 2 laser spot was adjusted to a 1 Sun equivalent intensity by illuminating a wide-gap perovskite solar cell under short circuit and matching the current density to the J ...
Here, we report ultrathin (3 μm), highly flexible perovskite solar cells with stabilized 12% efficiency and a power-per-weight as high as 23 W g−1. To facilitate air-stable operation, we ...
Conventional lead halide Perovskite Solar Cells (PSC) have toxicity and stability issues. Therefore it is crucial to look for lead-free inorganic perovskite material, such as La 2 NiMnO 6, RbGeI 3, CsGeI 3, Cs 2 AgBiBr 6 and others. There has been much work in the area of PSC using Cs 2 AgBiBr 6 as an absorber, However, due to some critical issues of Cs 2 AgBiBr …
A widely used component of high-efficiency perovskite solar cells (PSCs) is the molecular hole-transport material (HTM) spiro-OMeTAD. This organic solid needs to be p-doped to acquire sufficient hole conductivity. However, the conventional doping method using LiTFSI in the air is slow, sensitive to the environment, and may lead to the ...
Meticulous choice of hole transport materials (HTMs) is a crucial factor for carrier extraction and device stability in solar cells. 2,2′,7,7′-tetrakis-(N,N-di-4-methoxyphenylamine)-9,9′-spirobifluorene (spiro-OMeTAD) as a HTM is a milestone in the development of perovskite solar cells (PSCs). Here, the photovoltaic performance of perovskite solar cells (PSCs) was …
Although perovskite solar cells have gained attention for renewable and sustainable energy resources, their processing involves high-temperature thermal annealing (TA) and intricate post-treatment (PA) procedures to ensure high efficiency. We present a simple method to enable the formation of high-quality perovskite films at room temperature by exploring a mixed triple …
Yet, to justify the added cost of inserting a perovskite cell on top of Si, the tandem devices should exhibit both high PCE and operational stability. 7, 8 Today, SJ perovskite cells reach up to 26.1% efficiency with small area devices (about 0.1 cm 2), rivaling some of the best-performing Si cells. 3 However, using these cells in a tandem ...
Until now, third generation silicon based solar cells are dominating with large power conversion-efficiency (PCE) of 25–26%. Nevertheless, new classes of third-generation …
Nickel oxide (NiOx) hole transport layers (HTLs) are desirable contacts for perovskite solar cells because they are low cost, stable, and readily scalable; however, they result in lower open-circuit voltages as compared with organic …
Flexible perovskite solar cells (FPSCs) are prime candidates for applications requiring a highly efficient, low-cost, lightwt., thin, and even foldable power source. Despite record efficiencies of lab-scale flexible devices (19.5% on a 0.1 …
Solar electricity is an unlimited source of sustainable fuels, yet the efficiency of solar cells is limited. The efficiency of perovskite solar cells improved from 3.9% to reach 25.5% in just a few years. Perovskite solar cells are actually viewed as promising by comparison with dye-sensitized solar cells, organic solar cells, and the traditional solar cells made of …
The base technology for perovskite solar cells is solid-state sensitized solar cells that are based on dye-sensitized Gratzel solar cells. In 1991, O''Regan and Gratzel developed a low-cost photoelectrochemical solar cell based on high surface area nanocrystalline TiO 2 film sensitized with molecular dye [10].Although the PCE of dye-sensitized solar cells …
The one-step spin-coating process is widely used as a mainstream method for preparing organic–inorganic hybrid metal halide perovskite solar cells (PSCs). 1,2,3,4,5,6 By this process, the nucleation rate in preparing CH 3 NH 3 PbI 3 (MAPbI 3) films is excessively low, causing the precursors to preferentially grow on existing nuclei instead of forming new ones. …
Small amines featuring the combination of amino groups and other organic moieties have emerged as some of the most promising additives or surface ligands candidates …
The solar to electrical power conversion efficiency (PCE) of perovskite solar cells has been rapidly improved from 3.9% to certified 22.7% due to the extensive efforts on film deposition methods ...
A decade after the report of the first efficient perovskite-based solar cell, development of novel hole-transporting materials (HTMs) is still one of the main topics in this research field. Two of the main advance vectors of this topic lie in obtaining materials with enhanced hole-extracting capability and in easing their synthetic cost. The use of anthra[1,9 …
