Improving the Fill Factor of Perovskite Solar Cells by Employing
Although rapid progress has been witnessed recently in regular perovskite solar cells (PSCs), one of the bottlenecks to delay their industrialization is the complicated and poor reproducible doping process of the widely used hole-transporting material (HTM) spiro-OMeTAD. To address this issue, herein, an unreported polymer, P25NH, has been synthesized and adopted as a dopant
Influence of the Subcell Properties on the Fill Factor of
The performance of a tandem solar cell depends on the performance of its constituting subcells. Although this dependency is theoretically straightforward for open-circuit voltage (Voc) and short-circuit current, it is indirect for fill factor
Sp-hybridized carbon enabled crystal lattice
As a result, a record-high fill factor of 83.96% and an ultra-high open-circuit voltage of 1.191 V for β-phase CsPbI 3 perovskite solar cells are achieved simultaneously. This work provides a proficient methodology to manipulate the crystal lattice of inorganic perovskites toward high-performance photovoltaics.
Centimetre-scale perovskite solar cells with fill factors of
Owing to rapid development in their efficiency 1 and stability 2, perovskite solar cells are at the forefront of emerging photovoltaic technologies.State-of-the-art cells exhibit voltage losses 3-8 approaching the theoretical minimum and near-unity internal quantum efficiency 9-13, but conversion efficiencies are limited by the fill factor (<83%, below the Shockley-Queisser limit of
Effect of energetic distribution of trap states on fill factor in
Fill factor is a critical parameter for characterizing the performance of perovskite solar cells and is speculated to be closely related to the trap states, while the underlying correlation remains unclear. In this work, the effect of the energetic distribution of trap states in perovskite on the fill factor of the device is systemically investigated. . Perovskite
Efficient perovskite solar cells enabled by ion
Efficient perovskite solar cells enabled by ion-modulated grain boundary passivation with a fill factor exceeding 84% leading to a boosted efficiency of 21.01% with a high fill factor of 84%. This performance is among the best
Multifunctional chemical anchors achieve a boosted fill factor and
Multifunctional chemical anchors achieve a boosted fill factor and mitigate ion migration of high-stability perovskite solar cells with an improved fill factor (FF) from 70.54% to 80.40%, and improved ambient stability of the unencapsulated device. This study may probe research insight into the design of passivators with synergistic effects
Achieving High Fill Factor in Efficient P‐i‐N Perovskite
Lead halide perovskite solar cells (PSCs) have made unprecedented progress, exhibiting great potential for commercialization. Among them, inverted p-i-n PSCs provide outstanding compatibility with flexible
Practical Fill Factor Limits for Perovskite Solar Cells
High bandgap perovskite solar cells are integral to perovskite‐based multi‐junction tandem solar cells with efficiency potentials over 40%. However, at present, high bandgap perovskite devices Expand
Interfacial Passivation Engineering of
Tremendous efforts have been dedicated toward minimizing the open-circuit voltage deficits on perovskite solar cells (PSCs), and the fill factors are still relatively low.
Perovskite solar cells with self-disintegrating seeds deliver an
This strategy results in reduced nonradiative recombination and residual stress, culminating in perovskite solar cells (PSCs) achieving a champion power conversion efficiency (PCE) of 23.73 % and a remarkable fill factor of 83.64 %.
Approaching the fill factor Shockley–Queisser limit in
In this work, we studied charge extraction and recombination in efficient triple cation perovskite solar cells with undoped organic electron/hole transport layers (ETL/HTL). Using integral time of flight we identify the transit
Enhanced fill factor and stability of perovskite solar cells with a
The efficiency and stability of perovskite solar cells (PSCs) can be greatly affected by various factors such as passivating the perovskite film, oxidizing the hole-transport material of 2,2′,7,7′-tetras(N,N-p-methoxyaniline)-9,9′-spirodifluorene (Spiro-OMeTAD), and inhibiting the iodide migration.Here we introduce a multifunctional starch-iodine complex in the
Practical Fill Factor Limits for Perovskite Solar Cells
We analyze practical fill factor limits across various bandgaps for single-junction perovskite solar cells, focusing on the impact of bulk charge carrier lifetime, surface recombination, and charge transport layer-induced contact resistance.
High-Fill-Factor Perovskite Solar Cells via
The utilization of the sol–gel method for fabricating planar SnO2 as the electron transport layer (ETL) induces numerous defects on the SnO2 layer surface and perovskite film bottom, causing considerable
Enhanced fill factor and stability of perovskite solar cells with a
Here we introduce a multifunctional starch-iodine complex in the perovskite film to enhance the fill factor and stability of PSCs. Results demonstrate that the starch-iodine
Perovskite modules with 99% geometrical fill factor
We analyze the point contact interconnections design and demonstrate it on perovskite thin-film solar modules to achieve a geometrical fill factor of up to 99%. Numerical and analytical simulations are utilized to
Effects of Masking on Open-Circuit Voltage
Accurate and correct measurements of photovoltaic figures of merit are crucial to aid the development of novel technologies such as perovskite solar cells. This
Impact of carbon electrode layer on the series resistance and fill
Request PDF | Impact of carbon electrode layer on the series resistance and fill factor of CH3NH3PbI3 perovskite solar cell | Methylammonium lead triiodide (CH3NH3PbI3) is a metal halide
Perovskite solar cell with record-breaking fill factor
An Australian-Chinese research group has fabricated a 1 cm2 perovskite solar cell with a certified power conversion efficiency of 22.6% and an average fill factor of 85.3%. The device was built
Journal of Materials Chemistry A
SnO 2-based perovskite solar cells (PSCs) have made tremendous progress, but there''s still a lot of room for optimization of the fill factor (FF) and power conversion efficiency (PCE) compared with the short-circuit
Methodologies for »30% Efficient Perovskite Solar Cells via
Methodologies for >30% Efficient Perovskite Solar Cells via Enhancement of Voltage and Fill Factor Jiangzhao Chen,* Dongmei He, and Nam-Gyu Park* 1. Introduction Metal halide perovskites with outstanding photoelectric proper-ties have been widely applied in various optoelectronic devices. Among them, perovskite solar cells (PSCs) have
Sp
As a result, a record-high fill factor of 83.96% and an ultra-high open-circuit voltage of 1.191 V for β-phase CsPbI 3 perovskite solar cells are achieved simultaneously. This work provides a proficient methodology to
Inverted perovskite solar cells with high fill-factors featuring
Increasing polymer solar cell fill factor by trap-filling with F4-TCNQ at parts per thousand concentration. Adv. Mater., 28 (2016), pp. 6491-6496. Perovskite solar cell is his current research interest. Jacek Jasieniak is an Associate Professor in the Department of Materials Science and Engineering at Monash University. He completed his PhD
Inverted Perovskite Solar Cells with >85% Fill Factor
Even the most efficient inverted p–i–n architecture perovskite solar cells (PSCs) are still inferior to those with regular n–i–p architecture, which is mainly limited by interfacial loss. Herein, both wet and dry metal–halide perovskite films are
Perovskite solar cells | Nature Reviews Methods Primers
Metal halide perovskite solar cells are emerging as next-generation photovoltaics, offering an alternative to silicon-based cells. Centimetre-scale perovskite solar cells with fill factors of
Ultrahigh fill-factor all-inorganic CsPbBr3 perovskite solar cells
Herein, we proposed an efficient and simple strategy of precursor additive in the two-step aqueous-solution method, the resulted CsPbBr 3 film has achieved more uniform
Centimetre-scale perovskite solar cells with fill factors of
By incorporating this charge transport material into perovskite solar cells, we demonstrate 1-cm2 cells with fill factors of >86%, and an average fill factor of 85.3%.
Effect of energetic distribution of trap states on fill factor in
Fill factor is a critical parameter for characterizing the performance of perovskite solar cells and is speculated to be closely related to the trap states, while the underlying correlation remains unclear.
Bulk heterojunction perovskite hybrid solar cells
A major limitation to increasing the efficiency of perovskite hybrid solar cells (pero-HSCs) is the fact that the diffusion length of the electrons is shorter than that of the holes. Bulk heterojunction perovskite hybrid solar
[2207.02297] Fill Factor Losses and Deviations from the
The enhancement of the fill factor in the current generation of perovskite solar cells is the key for further efficiency improvement. Thus, methods to quantify the fill factor losses are urgently needed. A classical method to quantify Ohmic and non-Ohmic resistive losses in solar cells is based on the comparison between the voltage in the dark and under illumination
Modulating the deep-level defects and charge extraction for
Perovskite solar cells (PSCs) have drawn unprecedented attention due to their skyrocketing power conversion; however, their reported fill factors (FFs) still lag behind those of commercialized solar cells, and there is a lack of a comprehensive understanding of the mechanism. Here, we employed a facile and e
Bulk heterojunction perovskite–PCBM solar cells
An inverted bulk heterojunction perovskite–PCBM solar cell with a high fill factor of 0.82 and a power conversion efficiency of up to 16.0% was fabricated by a low-temperature two-step solution
Inverted perovskite solar cells with high fill-factors featuring
Optimized devices achieve efficiencies of up to 16.7% and fill factors as high as 85%. These values are significantly higher than PSCs using conventionally spray-deposited
Ultrahigh fill-factor all-inorganic CsPbBr3 perovskite solar cells
All-inorganic CsPbBr 3 perovskite solar cells (PSCs) have attracted more attentions due to the excellent environmental stability, however, the wide bandgap and relatively poor crystallinity of CsPbBr 3 have been the main obstacle to improve their power conversion efficiency (PCE). Herein, we proposed an efficient and simple strategy of precursor additive in
High-Fill-Factor Perovskite Solar Cells via Pseudohalide
The combined effects suppress nonradiative recombination and ion migration at the ETL–perovskite interface. The corresponding high-quality perovskite solar cells (PSCs) exhibit a fill factor of ∼0.825; PSC efficiency
Nanoscale localized contacts for high fill
The rise in perovskite solar cell (PSC) performance has been marked by substantial increases in open-circuit voltage (V oc), short-circuit current (J sc), and fill factor
6 FAQs about [Fill factor of perovskite solar cells]
How efficient are perovskite solar cells?
By incorporating this charge transport material into perovskite solar cells, we demonstrate 1-cm 2 cells with fill factors of >86%, and an average fill factor of 85.3%. We also report a certified steady-state efficiency of 22.6% for a 1-cm 2 cell (23.33% ± 0.58% from a reverse current–voltage scan).
Do perovskite solar cells have a low fill factor?
Tremendous efforts have been dedicated toward minimizing the open-circuit voltage deficits on perovskite solar cells (PSCs), and the fill factors are still relatively low. This hinders their furthe...
What are lead halide perovskite solar cells?
Lead halide perovskite solar cells (PSCs) have made unprecedented progress, exhibiting great potential for commercialization. Among them, inverted p-i-n PSCs provide outstanding compatibility with flexible substrates, more importantly, with silicon (Si) bottom devices for higher efficiency perovskite-Si tandem solar cells.
Who are the authors of in situ graded passivation in perovskite solar cells?
Kuo Su, Wentao Chen, Yuqiong Huang, Guang Yang, Keith Gregory Brooks, Bao Zhang, Yaqing Feng, Mohammad Khaja Nazeeruddin, Yi Zhang. In Situ Graded Passivation via Porphyrin Derivative with Enhanced Photovoltage and Fill Factor in Perovskite Solar Cells.
Can nitrogen-doped titanium oxide electron transport layers be used in perovskite solar cells?
Here we introduce a reverse-doping process to fabricate nitrogen-doped titanium oxide electron transport layers with outstanding charge transport performance. By incorporating this charge transport material into perovskite solar cells, we demonstrate 1-cm 2 cells with fill factors of >86%, and an average fill factor of 85.3%.
Can 3D nickel oxide scaffolds be used in perovskite solar cells?
3D nickel oxide scaffolds have been formed using chemical bath deposition. These scaffolds have been used as hole transport layers in perovskite solar cells. Fill factors of up to 85% and efficiencies of up to 16.7% have been achieved. Efficiencies with 15% improvement compared to conventional spray deposited NiO demonstrated.
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