Employing a lattice-matched perovskite oxide as an electron transport layer allows optimizing the buried interface in perovskite solar cells. A maximum power …
To improve the performance of perovskite solar cells (PSCs), vanadium oxide (VO x) film was deposited as an interface modification layer (IML) by a radio frequency magnetron sputtering system.The VO x IML was utilized to modify the interface between the indium tin oxide (ITO) anode electrode and the poly(3,4 …
Theoretical analysis and experimental results demonstrate that DFCHY plays a role in bridging the NiO x /perovskite interface, not only suppressing the high …
Here, we review the latest progress of interface modifications in PSCs, focusing on electrode interface layers. We discuss energy band alignment, carrier transport dynamics, interfacial defect …
1 Introduction. Organic–inorganic halide perovskites have sparked interest in various fields of energy harvesting [1, 2] by demonstrating their early success in producing extremely efficient solar …
Interface engineering has been recognized as a very effective method to simultaneously improve both efficiency and stability in perovskite solar cells (PSCs). In this ...
The inferior interface quality between CsPbI 2 Br perovskite and the electron transport layer (ETL) as well as carbon electrode limits the stability and power conversion efficiency (PCE) of hole transport layer (HTL) free carbon-based all-inorganic CsPbI 2 Br perovskite solar cells (C-IPSCs). Herein, perfluoropropionic acid (PFPA) is …
The perovskite solar cells were fabricated on the transparent ITO substrates. ... The 2D perovskite interface modification undoubtedly passivates perovskite defects and inhibits carrier recombination. Specifically, the lone pair electrons of the N atom in the alkyl chain terminal group interact with metal Pb 2+, ...
This work reports the employment of HBPC as a modification layer to passivate perovskite surface defects and inhibit charge recombination, resulting in well …
Finally, the research directions of SnO 2 -based perovskite solar cells on interface modification and performance optimization are presented. Over the past decade, the power conversion efficiency of perovskite solar cells has increased from 3.8% to the current 25.5%, which is expected to become the next generation of commercial thin-film …
Multifunctional buried interface modification is key to boost the performance of perovskite solar cells (PSCs). Herein, a multifunctional passivator, N-(2-hydroxyethyl) ethylene diamine triacetic acid trisodium salt (HEDTA-3Na), is employed to modify an SnO 2 electron transport layer (ETL) for fabricating efficient and stable PSCs. …
In perovskite solar cells (PSCs) energy level alignment and charge extraction at the interfaces are the essential factors directly affecting the device performance. In this work, we present a modified interface …
1. Introduction. Since the last decade, the performance of single-junction organic-inorganic hybrid perovskite solar cells (PSCs) have been significantly increased from an initial power conversion efficiency (PCE) of 3.8% in 2009 to 25.8% in 2022 [1].The photovoltaic (PV) characteristics including short circuit current density (J sc), open circuit …
In 2009, Miyasaka and co-workers pioneered in using the CH 3 NH 3 PbI 3 (MAPbI 3) and MAPbBr 3 as sensitizer in liquid electrolyte based DSSCs, showing PCEs of 3.8%, and 3.1%, respectively. 17 In 2011, Park and co-workers further improved the PCE of the liquid-based MAPbI 3 solar cell to 6.5% by modifying the surface of TiO 2 and the deposition …
The Serious interfacial recombination and low-efficient hole extraction at the interface of the carbon electrode and perovskite film have strikingly limited the performance improvement of carbon-based inorganic perovskite solar cells (PSCs). Here, hydrophobic poly(3-hexylthiophene) (P3HT) and polystyrene (PS) are employed as the …
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).
Therefore, the introduction of an interface modification layer to adjust the interface, ... In the interface materials, the passivation effect can be customized and oriented to prepare efficient perovskite solar cells with excellent stability, which provides a new idea for interface modification materials.
The efficiency of perovskite solar cell (PSC) is significantly affected by the charge transport and recombination behaviors at the interfaces between the …
Organic–inorganic halide perovskite solar cells (PSCs) have been rapid developed in the past decade due to their unique properties, such as high carrier mobility, low-cost fabrication, adjustable band-gap, simple solution-based processes, and long carrier diffusion length, etc. [1-6].The power conversion efficiency (PCE) of PSCs is rapidly …
The numerous defects on the surface and grain boundaries of polycrystalline perovskite after solution treatment would seriously affect the performance of organic–inorganic hybrid perovskite solar cells. Interface modification is considered to be an effective method to reduce defects of the perovskite films. In this work, a multi …
This review surveys current developments in the buried interfacial of perovskite solar cells (PSCs) from a materials standpoint, including inorganic salts, organic molecules and polymers, carbon mate...
The observation that the dual interfacial modification approach developed here is fully compatible with the integration of ionic liquids into the perovskite active layer is highly promising for the application of this methodology for further development of efficient and stable perovskite solar cells in an inverted architecture.
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 ...
Reducing interface nonradiative recombination is important for realizing highly efficient perovskite solar cells. In this work, we develop a synergistic bimolecular interlayer (SBI) strategy via 4 ...
Performance and Stability Improvement of Inverted Perovskite Solar Cells by Interface Modification of Charge Transport Layers Using an Azulene–Pyridine Molecule. ... an azulene–pyridine molecule (AzPy) is implemented in inverted perovskite solar cells (PSCs) for increasing the power conversion efficiency (PCE) and the stability …
In this report, we examined the effect of enhancing the contact of TiO 2 and perovskite interface on the perovskite crystallinity and subsequently evaluated the …
Different phosphonic acid molecules are used for double-interface modification strategy. • Ultraviolet-resistant DPC was used to modify SnO 2 surface and control perovskite crystal growth.. Defect passivation via post-treatment of perovskite films with MPO capable of coordinating with Pb 2+.. The PSC achieves an PCE of 23.37 % at …
Self-assembled monolayers (SAM) modified nickel oxide (NiOx) is used as a hole-selective layer in inverted perovskite solar cells and finally, the highest power conversion efficiency of 24.8% is achi...
Nature Communications - Operational stability and mechanical robustness remain as engineering bottlenecks in perovskite solar cells technology. Here, Dong et …
The Serious interfacial recombination and low-efficient hole extraction at the interface of the carbon electrode and perovskite film have strikingly limited the performance improvement of carbon-based …
In a methylammonium-free (MA-free) composition, the uncontrollable crystallization process between Cs and formamidine (FA) currently hinders its efficiency enhancement, especially in inverted perovskite solar cells (PSCs). Here, a dual-interface modification of perovskite films is proposed by simultaneously introducing additives …
The efficiency and stability of perovskite solar cells (PSCs) can be effectively improved by interfacial modification with butylammonium iodide (BAI). However, the steric hindrance of BAI is not explored. ... (t-BAI), are systematically studied as interface modification materials between (FAPbI 3) 0.95 (MAPbBr 3) 0.05 and spiro-OMeTAD in …
Perovskite solar cells (PSCs) have received widespread attention due to their excellent photovoltaic characteristics. However, the nonradiative recombination of carriers induced by defects limits the stability and performance of PSCs. Interface and additive engineering are good medicine to cure the disease.
Reducing interface nonradiative recombination is important for realizing highly efficient perovskite solar cells. In this work, we develop a synergistic bimolecular interlayer (SBI) strategy via 4 ...
Lead bromide perovskite with high bandgap and good stability has aroused broad interest for utilization in perovskite solar cells (PSCs) with high photovoltage, especially as a candidate for the front cell of tandem solar cells. However, the efficiency of lead bromide PSCs is still much lower than the standard lead iodide …
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