Excellence of organic solar cells
Innovative molecule design strategy holds promise for the development of next-generation acceptor materials for efficient organic solar cells with low non-radiative energy loss (ΔE nr). In this study, we designed and prepared three novel acceptors, namely BTP-Biso, BTP-Bme and BTP-B, with sterically structured triisopropylbenzene ...
Angewandte Chemie International Edition
Innovative molecule design strategy holds promise for the development of next-generation acceptor materials for efficient organic solar cells with low non-radiative energy loss (ΔE nr). In this study, we designed and prepared three novel acceptors, namely BTP-Biso, BTP-Bme and BTP-B, with sterically structured triisopropylbenzene ...
Organic Solar Cells and Photovoltaics: Structure ...
Cons of Organic solar cells: The efficiency of organic photovoltaics is comparatively lower than a conventional silicon solar cell. Generally, silicon solar cells offer 18-20% efficiency in the conversion of sun rays into usable electricity. On the other hand, an organic cell''s efficiency is estimated at around 8-12%. The organic materials of OPV degrade much …
More power for organic solar cells
Organic solar cells are light, extremely thin energy collectors and as a flexible coating are a perfect fit on almost any surface: Solar cells based on organic semiconductors open up a range of application possibilities, for example, as solar panels and films which can be rolled up, or for use on smart devices. But one disadvantage in many ...
Organic Solar Cells: An Introduction to Organic …
Organic solar cells, also known as organic photovoltaics (OPVs), have become widely recognized for their many promising qualities, such as: Ease of solution processability Tuneable electronic properties Possibilities for low temperature …
Computational chemistry-assisted design of a non-fullerene …
Designing new high-performance non-fullerene acceptors is the key driving force for the development of organic solar cells (OSCs). In this work, a new acceptor, BOEH-4Cl, was designed based on the end-group chlorination of L8-BO. Theoretical calculations successfully predicted the expected experimental resul
Molecular Packing in the Active Layers of Organic Solar Cells …
A Research Hub of Excellence Home Researchers Research Units Research Output Projects Activities Prizes/Honours Student Theses ... Molecular Packing in the Active Layers of Organic Solar Cells Based on Non-Fullerene Acceptors : Impact of Isomerization on Charge Transport, Exciton Dissociation, and Nonradiative Recombination. Research output: Journal Publications …
Enabling High Efficiency of Hydrocarbon-Solvent Processed Organic Solar ...
Using non-halogenated solvents to process organic solar cells is preferable because they are less harmful to human health. However, it is challenging to mitigate the delicate trade-offs between solubility and pre-aggregation of organic semiconductors to maintain similar high device efficiencies as those processed by chlorinated solvents. The ...
Near-Infrared Absorbing Nonfullerene Acceptors for Organic Solar Cells
Materials with intense near-infrared (NIR) absorption, especially electron acceptors, play crucial roles in the development of organic solar cells (OSCs) due to their capability in harvesting low-energy photons to enable high photocurrent. Herein, the NIR nonfullerene acceptors (NFAs) are focused by briefly reviewing the development to ...
High-efficiency organic solar cells from low-cost pentacyclic fused ...
Achieving high power conversion efficiencies (PCEs) from low-cost materials is essential for the commercialization of organic solar cells (OSCs). Herein, three A–DA′D–A-type pentacyclic fused-ring electron acceptors (FREAs) featuring low synthetic complexity, namely BT-F, BTA-C4-F, and BTA-C4-Cl, were develo
Wide-bandgap donor polymers from organic photovoltaics as …
Wide-bandgap donor polymers from organic photovoltaics as dopant-free hole transport layers for perovskite solar cells. / Lai, Hongtao; Yang, Xin; Zhang, Liujiang et al. In: Chemical Engineering Journal, Vol. 489, 151383, 01.06.2024. Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
Rational Regulation of Organic Spacer Cations for Quasi-2D …
Rational Regulation of Organic Spacer Cations for Quasi-2D Perovskite Solar Cells. / Lai, Hongtao; Xu, Zhiyuan; Shao, Zhihui et al. In: Solar RRL, Vol. 7, No. 10, 2300132, 05.2023. Research output: Journal Publications and Reviews › RGC 21 - …
All-small-molecule organic solar cells with over 14% ...
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 ...
Balancing the efficiency, stability, and cost potential …
Inherent merits of solution-processed organic solar cells (OSCs) such as light weight, colorful, shape freedom, and easy manufacturing make them very attractive for potential commercial applications. 1–5 The power conversion …
Progress in Organic Solar Cells: Materials, Physics …
Organic solar cells (OSCs) have been developed for few decades since the preparation of the first photovoltaic device, and the record power conversion efficiency (PCE) certified by national renewable energy …
Advantages, challenges and molecular design of different ...
The performance of organic solar cells (OSCs) has increased substantially over the past 10 years, owing to the development of various high-performance organic electron–acceptor and electron ...
Progress of the key materials for organic solar cells
Organic solar cells have attracted academic and industrial interests due to the advantages like lightweight, flexibility and roll-to-roll fabrication. Nowadays, 18% power conversion efficiency has been achieved in the state-of-the-art organic solar cells. The recent rapid progress in organic solar cells relies on the continuously emerging new materials and device …
All-Inorganic Perovskite-Based Monolithic Perovskite/Organic …
Monolithic perovskite/organic tandem solar cells (POTSCs) have significant advantages in next-generation flexible photovoltaics, owing to their capability to overcome the Shockley–Queisser limit and facile device integration. However, the compromised sub-cells performance challenges the fabrication of high-efficiency POTSCs. Especially for ...
20.4% Power conversion efficiency from albedo-collecting organic …
4 · Organic solar cells (OSCs) are perceived as one of the most promising next-generation sustainable energy technologies due to their unique features like light weight, …
High-Throughput Optical Screening for Efficient Semitransparent Organic ...
Semitransparent organic solar cells (STOSCs), coupled with wavelength-selective, one-dimensional photonic crystals (PCs), can meet such criteria, as organic semiconductors can achieve localized NIR absorption and PCs can further optimize device optical properties. Herein, by introducing a high-throughput optical model, we simulated over tens of millions of device …
Highly efficient and stable organic solar cells achieved by …
Volume 160, September 2024, 100828. Highly efficient and stable organic solar cells achieved by improving exciton diffusion and splitting through a volatile additive-assisted ternary strategy. …
Recent advances in high-efficiency organic solar cells …
As one of the most promising technologies for harvesting clean and renewable solar energy, bulk heterojunction (BHJ) organic solar cells (OSCs) have aroused considerable attention over the past several decades …
Non-fullerene acceptors for organic solar cells
Non-fullerene acceptors (NFAs) are currently a major focus of research in the development of bulk-heterojunction organic solar cells (OSCs). In contrast to the widely used fullerene acceptors (FAs), the optical properties and electronic energy levels of NFAs can be readily tuned. NFA-based OSCs can also achieve greater thermal stability and ...
Novel Beta-Functionalized Porphyrins Approaching …
The all-small-molecule organic solar cells based on EHDPP-Por:Y6 and BODPP-Por:Y6 active layers achieved power conversion efficiencies of 10.19 and 10.99%, respectively, which are higher than most of the binary …
Perovskite-based tandem solar cells
The power conversion efficiency for single-junction solar cells is limited by the Shockley-Quiesser limit. An effective approach to realize high efficiency is to develop multi-junction cells. These years have witnessed the rapid development of organic-inorganic perovskite solar cells. The excellent …
Organic Solar Cell With Efficiency Over 20% and
Organic solar cells (OSCs) based on polymer donor and non-fullerene acceptor achieve power conversion efficiency (PCE) more than 19% but their poor absorption below 550 nm restricts the harvesting of high-energy photons. In contrast, wide bandgap all-inorganic perovskites limit the absorption of low-energy photons and cause serious below …
Toward improved stability of nonfullerene organic solar cells: …
Abstract Improved efficiency and stability of the organic solar cells (OSCs) are the critical considerations for practical applications. The interface between the interlayer and bulk heterojunction... Skip to Article Content; Skip to Article Information; Search within. Search term. Advanced Search Citation Search. Search term. Advanced Search Citation Search. Login / …
Rational molecular and device design enables organic solar cells ...
For organic solar cells to be competitive, the light-absorbing molecules should simultaneously satisfy multiple key requirements, including weak-absorption charge transfer …
Advances in organic solar cells: Materials, progress, challenges …
Organic solar cells (OSCs) present many appealing prospects and have the potential to realize this transition with their co-occurring technologies. The augmentation in …
Advances in organic photovoltaic cells: a …
The working principles and device structures of OPV cells are examined, and a brief comparison between device structures is made, highlighting their advantages, disadvantages, and key features. The various …
Journal of Materials Chemistry A
High-performing and easily synthesized oligothiophene-based polymer donors that can be processed with non-halogenated solvents are an important concern to meet massive production of organic solar cells (OSCs). In this work, two dithieno[3,2-f:2′,3′-h]quinoxaline-quaterthiophene-based polymers, PQx4T and PQx4 Journal of Materials Chemistry A HOT …
The critical role of temperature-dependent mobilities in …
While solution-processed bulk-heterojunction organic solar cells (OSCs) continue to attract attention as their efficiencies approach 20%, the physical origin of the non-radiative energy loss in OSCs remains under debate.
Highly efficient organic solar cells enabled by suppressing triplet ...
Nature Communications - The high non-radiative energy loss is a bottleneck issue for efficient organic solar cells. Here, the authors regulate the charge transfer state disorder and rate of...