An organic solar cell (also known as OPV) is a type of solar cell where the absorbing layer is based on organic semiconductors (OSCs). Typically, these are either polymers or small molecules. For organic materials to be used in organic electronics, they will need to be semiconducting which will require a high level of conjugation (alternating ...
In PM6:BTP-eC9 organic solar cell, our strategy successfully offers a record binary organic solar cell efficiency of 19.31% (18.93% certified) with very low non-radiative recombination loss of 0. ...
Organic solar cells (OSCs) with the bulk heterojunction (BHJ) active layer have drawn wide-spread attention because of their multiple advantages such as high mechanical flexibility, light weight ...
Layer-by-layer (LBL) deposition using solution processing is a promising technique for fabricating organic solar cells (OSCs) with high efficiency and stability. In comparison with bulk-heterojunction (BHJ) …
Doctor-blade coating technology is a roll-to-roll compatible high-throughput thin film fabrication route. In this work, doctor-blading was applied for fabricating organic solar cells (OSCs) using a polyoxometalates material phosphomolybdic acid (PMA) as …
Due to the current global energy shortage and the accompanying environmental crisis, it is urgent to seek low-cost, clean, and renewable energy as alternatives (Cui et al., 2019, Li et al., 2019, Sun et al., 2020, Xing et al., 2020).The conversion of solar energy via solar cell devices is considered to be one of the most fascinating and promising green energy …
Additive-assisted layer-by-layer (LBL) deposition affords interpenetrating fibril network active layer morphology with a bulk p-i-n feature and proper vertical segregation in organic solar cells (OSCs). This approach captures the balance between material interaction and crystallization that locks the characteristic length scales at tens of nanometers to suit …
Despite recent progress, the performance of organic solar cells ... Zhang, M. et al. Single-layered organic photovoltaics with double cascading charge transport pathways: 18% efficiencies. ...
Organic solar cells (OSCs) are one of the leading candidates for next-generation solar technologies, owing to their attractive features such as lightweight, flexibility, and low-cost fabrication (1–5).The morphology of the photoactive layer is one of the most important factors determining the photovoltaic performances of OSCs (6–10).The nanostructure of the …
The last decades have witnessed the rapid development and the gradually improved efficiencies of organic solar cells (OSCs), which show great potentials in the fabrication of eco-friendly and flexible photovoltaic panels. …
The fabrication of organic solar cells (OSCs) by a layer-by-layer (LBL) method has attracted growing attention in recent years. As already known, the pre-aggregates of conjugated polymers in solution have a profound …
Reliably controlling the morphology in organic solar cells is desired for up-scaling. Here Weng et al. combine the advantages of the fibril network donor and the state of the art Y6 acceptor in a ...
Layer-by-layered (LBL) organic solar cells (OSCs) via sequential processing have exhibited great advantages in achieving ideal vertically distributed morphology and efficient charge transport propert...
Another distinct advantage of perovskite/organic tandem solar cells is that the absorbing layers can be deposited from orthogonal solvents, which ensures that the coating of the organic layer on ...
Layered two dimensional (2D) or quasi-2D perovskites are emerging photovoltaic materials due to their superior environment and structure stability in comparison with their 3D counterparts. The typical 2D perovskites can be obtained by cutting 3D perovskites along < 100 > orientation by incorporation of bulky organic spacers, which play a key role in the performance …
A Layer-by-Layer Architecture for Printable Organic Solar Cells Overcoming the Scaling Lag of Module Efficiency Author links open overlay panel Rui Sun 1, Qiang Wu 1, Jie Guo 1, Tao Wang 1, Yao Wu 1, Beibei Qiu 2, Zhenghui Luo 3, Wenyan Yang 1, Zhicheng Hu 4, Jing Guo 1, Mumin Shi 1, Chuluo Yang 3, Fei Huang 4, Yongfang Li 2, …
Thus, when the active layer of an organic solar cell (OSC) is based on a single component (a molecular or polymer thin film), the exciton-dissociation efficiency is very low 1.
a) Device structure of inverted organic solar cells. b) Molecular structure of active layer materials. c) Energy level diagram of inverted organic solar cells. d) J–V characteristics of organic solar cells with different electron transport layers under AM1.5G illumination at 100 mW cm −2. e) EQE curves of organic solar cells with different ...
Organic photovoltaic (OPV) cells, also known as organic solar cells, are a type of solar cell that converts sunlight into electricity using organic materials such as polymers and small molecules. 83,84 These materials are carbon-based and can be synthesized in a laboratory, unlike inorganic materials like silicon that require extensive mining ...
The fabrication of organic solar cells (OSCs) by a layer-by-layer (LBL) method has attracted growing attention in recent years. As already known, the pre-aggregates of conjugated polymers in solution have a profound impact on their microstructure morphology in films. Herein, by simply controlling the solution temperature and annealing processes ...
The last decades have witnessed the rapid development and the gradually improved efficiencies of organic solar cells (OSCs), which show great potentials in the fabrication of eco‐friendly and flexible photovoltaic panels. Layer‐by‐layered (LBL) structure via sequential processing of the donor and acceptor layers becomes an advisable option to …
Single layer organic solar cells. The simplest structure of the single active layer OSC is shown in Fig. 2.5A. It is made by sandwiching an organic electronic material between two metallic electrodes. The electrodes are normally a layer of wide bandgap material indium tin oxide (ITO) with high work function and a layer of low work function ...
Interfacial layers play a critical role in organic solar cells (OSCs) to determine their efficiency and lifetime. The introduction of proper interfacial materials at the both interfaces of charge separation and charge collection has become an important strategy to obtain high power conversion efficiency (PCE) and high-stability OSCs [1–4] the past decade, considerable …
Organic solar cell research has developed during the past 30 years, but especially in the last decade it has attracted scientific and economic interest triggered by a rapid increase in power conversion efficiencies. This was achieved by the introduction of new materials, improved materials engineering, and more sophisticated device structures. Today, solar power …
These compounds are vertically segregated in the active layer of the solar cell and thereby provide excellent morphology. The PCE of these cells when monochromatic light of a wavelength of 490 nm in used was found to be about 2.0% [35]. Donor-acceptor systems 8 (Fig. 3) were found to be very promising materials for organic solar cell applications.
organic solar cells Two major bottlenecks for organic photovoltaic module production are device ... developed a novel interface layer concept, where alcohol-based organic polymer nanoparticles can be processed on top of a poly-mer-NFA active layer and doped to achieve a quasi-Ohmic hole contact. Moreover, poly(3,4-ethylenedioxythiophene):poly ...
Organic solar cells (OSCs) with the bulk heterojunction (BHJ) active layer have drawn wide-spread attention because of their multiple advantages such as high …
Morphology is of great significance to the performance of organic solar cells (OSCs), since appropriate morphology could not only promote the exciton dissociation, but also reduce the charge recombination. In this work, we have developed a solid additive-assisted layer-by-layer (SAA-LBL) processing to fabricate high-efficiency OSCs. By adding the solid additive …
Recently, sequential layer-by-layer (LbL) organic solar cells (OSCs) have attracted significant attention owing to their favorable p–i–n vertical phase separation, efficient charge transport/extraction, and potential for lab-to …
In order to advance the application of solar cells, a flexible type is highly required, such as layered casting solar cells (LCSCs). Organic solar cells (OSCs), perovskite solar cells (PSCs), or dye-sensitive solar cells (DSSCs) are promising LCSCs for broadening the application of solar energy to many types of surfaces.
Layered hybrid perovskites are a viable solution to address stability concerns in perovskite solar cells but suffer from poorer charge transport, limiting performance. ... Increasing the dielectric constant of the organic layer (normally ε = 3–5 as compared to ≈30 for 3D perovskites) decreases the dielectric confinement, by reducing the ...
The high efficiency all-small-molecule organic solar cells (OSCs) normally require optimized morphology in their bulk heterojunction active layers. Herein, a small-molecule donor is designed and ...
Lin, Y. et al. Self-assembled monolayer enables hole transport layer-free organic solar cells with 18% efficiency and improved operational stability. ACS Energy Lett. 5, 2935 (2020).
A Layer-by-Layer Architecture for Printable Organic Solar Cells Overcoming the Scaling Lag of Module Efficiency The layer-by-layer (LbL) strategy exhibits unique advantages of combining the ... To date, organic solar cells (OSCs) with the development of photovoltaic ma-terials have realized high power conversion efficiencies (PCEs) through the
Additive-assisted layer-by-layer (LBL) deposition affords interpenetrating fibril network active layer morphology with a bulk p-i-n feature and proper vertical segregation …
Moreover, besides commonly used methods in optimizing molecular packing in active-layer films, the selective removal of electron acceptors near the top electrode facilitates the realization of highly durable …
High performance and high stability are the urgent requirement for the potential commercial application of organic solar cells (OSCs). Electrode buffer layers have important influence on the photovoltaic performance and stability of OSCs. In this study, non-fullerene bulk heterojunction OSCs were prepared with molybdenum oxide (MoO3) as the first anode buffer …
This Review summarizes the types of materials used in the photoactive layer of solution-processed organic solar cells, discusses the advantages and disadvantages of …
Two major bottlenecks for organic photovoltaic module production are device stability and the development of an architecture that allows using the newest high-efficiency active layer materials in large-scale solution …
OSCs has undergone the evolution from single-layer Schot-tkysolarcells,double-layerplanarheterojunction(PHJ)solar cells to representative bulk heterojunction (BHJ) solar cells. Initially, the active layer of OSCs was a single layer of organic material sandwiched between two electrodes, deliv-ering extremely low power conversion efficiency (PCE ...
Additive-assisted layer-by-layer (LBL) deposition affords interpenetrating fibril network active layer morphology with a bulk p-i-n feature and proper vertical segregation in organic solar cells (OSCs). This approach captures the balance between material interaction and crystallization that locks the characteristic length scales at tens of nanometers to suit exciton and carrier diffusion ...
Organic solar cells (OSCs) have gained conspicuous progress during the past few decades due to the development of materials and upgrading of the device structure. The power conversion efficiency (PCE) of the single-junction device had surpassed 19%. ... These active layer materials can reduce energy loss and display a powerful intramolecular ...
Organic photovoltaic cell (OPV) has emerged as a new competitor to inorganic material-based solar cells, due to its potential application in large area, printable, and flexible solar panels. In particular, OPV cells with bulk heterojunction architecture (BHJ), in...
In order to surmount the Shockley–Queisser efficiency barrier of single-junction solar devices, tandem solar cells (TSCs) have shown a potential solution. Organic and Si materials can be promising candidates for the front and rear cells in TSCs due to their non-toxicity, cost-effectiveness, and possible complementary bandgap properties. This study …
The hole transport layer (HTL) affects the device performance and stability of organic solar cells. In this work, a stable molybdenum oxide (MoO x) hole transport layer with low cost was prepared by adjusting the state of the precursor solution with an alcoholic solution of molybdenum acetylacetonate through an oxidant.The MoO x transport layer has good …
Organic solar cells, also known as organic photovoltaics (OPVs), employ organic materials as the active layer to convert sunlight into electricity. Unlike traditional …
Recently, sequential layer-by-layer (LbL) organic solar cells (OSCs) have attracted significant attention owing to their favorable p–i–n vertical phase separation, efficient charge transport/extraction, and potential for lab-to-fab large-scale production, achieving high power conversion efficiencies (PCEs) of over 18%. ...
Organic semiconductors offer the advantage of high optical absorption and tunable energy levels, enabling thin-film solar cells with high light-to-electron conversion …
Layer-by-layered (LBL) organic solar cells (OSCs) via sequential processing have exhibited great advantages in achieving ideal vertically distributed morphology and efficient charge transport propert...
The layer-by-layer (LbL) strategy exhibits unique advantages of combining the merits of high photo-absorption rate, suitable vertical phase separation, and good practicability, endowing the LbL-bladed devices with a higher power conversion efficiency (PCE) of 16.35% compared to the bulk heterojunction (BHJ)-bladed device (15.37%). Importantly, this LbL …
