1 天前· Bilayer organic solar cells, composed of a donor and acceptor layer, provide independent optimization of each layer to enhance the photovoltaic performance. However, the power conversion efficiency remains lower than that of bulk heterojunction cells. Herein, we focus on suppressing nongeminate charge recombination by tuning the acceptor layer''s morphology
Customer ServiceOrganic solar cells (OSCs) have attracted widespread attention as a potentially low-cost technology for solar power generation due to their advantages, such as lightweight, high throughput, semitransparency, and flexibility. 1,2,3 Currently, the power conversion efficiency (PCE) of polymer-based OSCs, which are based on polymer donors and small-...
Customer ServiceOrganic solar cells processed from green solvents are easier to implement in manufacturing yet their efficiency is low. Chen et al. devise a guest molecule to improve the molecular packing
Customer ServiceWith the improvement of photovoltaic efficiencies, solution-processed organic solar cells (OSCs) have shown a bright prospect for inexpensive and sustainable light-to-energy conversion. However, when we adopt the donor-acceptor bulk heterojunction (BHJ) strategy to fabricated large-scale OSC modules, there is a huge gap in efficiency.
Customer ServiceOrganic photovoltaics (OPVs) have experienced a significant increase in power conversion efficiency (PCE) recently, now approaching 20% on small-cell level. Since the efficiencies on the module level are still substantially lower, focused upscaling research is necessary to reduce the gap between cells and modules.
Customer Service1 天前· Bilayer organic solar cells, composed of a donor and acceptor layer, provide independent optimization of each layer to enhance the photovoltaic performance. However, the power conversion efficiency remains lower than that of bulk heterojunction cells. Herein, we focus on suppressing nongeminate charge recombination by tuning the acceptor layer''s morphology
Customer Service3 天之前· Organic solar cells (OSCs) have developed rapidly in recent years. However, the energy loss (Eloss) remains a major obstacle to further improving the photovoltaic performance. To address this issue, a ternary strategy has been employed to precisely tune the Eloss and boost the efficiency of OSCs. The B‒N-based polymer donor has been proved process high E(T1)
Customer ServiceHere, we fabricate a highly efficient tandem organic solar cell featured by an excellent interconnecting layer composed of electron beam evaporated TiO x (e-TiO x)/PEDOT:PSS. The tandem organic solar cell with the interconnecting layer of e-TiO 1.76 /PEDOT:PSS exhibits a PCE as high as 20.27%. This result is certified as 20.0% by the
Customer Service3 天之前· Organic solar cells (OSCs) have developed rapidly in recent years. However, the energy loss (Eloss) remains a major obstacle to further improving the photovoltaic performance. To address this issue, a ternary strategy has been employed to precisely tune the Eloss and boost the efficiency of OSCs. The B‒N-based polymer donor has been proved process high E(T1)
Customer Service2 天之前· 1 Introduction. Nonfullerene acceptors (NFAs), valued for their narrow bandgap, strong near-infrared absorption, and low energy disorder, have driven significant enhancements in the power conversion efficiency (PCE) of organic solar cells (OSCs), achieving PCEs over 20% in both single-junction and tandem configurations.
Customer ServiceThe 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
Customer ServiceWith ultraviolet nanosecond laser scribing, the OSC module yields an impressive geometric fill factor of 98% and a certified power conversion efficiency of 15.43% with an aperture area of 11.30 cm 2, making it one of the
Customer ServiceTwo major challenges need to be overcome to bridge the efficiency gap between small-area rigid organic solar cells (OSCs) and large-area flexible devices: the first challenge lies in preparing
Customer ServiceIn this work, a non-fullerene acceptor DTY6 is designed to apply in organic solar cell (OSC) module devices. When blended with donor PM6, the DTY6-based OSCs exhibit excellent performance with power conversion
Customer ServiceFinally, the technique was successfully applied in the fabrication of a highly efficient solar cell device, yielding a high PCE of 17.55% for a 1.00-cm 2 solar cell and a PCE of 16.10% for an OSC module with an active area of 11.08 cm 2, which is highest PCE for OSC modules reported so far.
Customer ServiceLarge voltage losses are the main obstacle for achieving high efficiency in organic solar cells (OSCs). Here we construct ternary OSCs by introducing an asymmetric small molecule acceptor AITC into PBDB-TCl : BTP-eC9 system and demonstrate the effectiveness in simultaneously decreasing energy disorder and non-radiative voltage losses.
Customer ServiceMany attempts to address the technological challenges upon up-scaling efficient cells toward efficient modules have been made already. 18–25 However, the cell-to-module efficiency loss still remains, 17, 26, 27 mainly due to the change in the processing techniques from spin-coating to scalable printing method as well as the inhomogeneities and varying film
Customer ServiceWith ultraviolet nanosecond laser scribing, the OSC module yields an impressive geometric fill factor of 98% and a certified power conversion efficiency of 15.43% with an aperture area of 11.30 cm 2, making it one of the top-performing OSC modules reported.
Customer Service3 小时之前· Polythiophene donors offer scalable and cost-effective solutions for the organic photovoltaic industry. A thorough understanding of the structure–property–performance relationship is essential for advancing polythiophene-based organic solar cells (PTOSCs) with high power conversion efficiencies (PCEs). Herein, we develop two polythiophene
Customer ServiceA new certified world record efficiency for large-area organic photovoltaic (OPV) modules is demonstrated, namely 14.5% on the total module area (15.0% on active area). This achievement is enabled by finite element method (FEM) computer simulations used to optimize the coating homogeneity and the solar module layout. Barely any performance loss is
Customer ServiceOrganic solar cells (OSCs) have attracted widespread attention as a potentially low-cost technology for solar power generation due to their advantages, such as lightweight, high throughput, semitransparency, and
Customer ServiceFunding: This study was supported by the Australian Renewable Energy Agency, Grant/Award Number: SRI-001; U.S. Department of Energy (Office of Science, Office of Basic Energy Sciences and Energy Efficiency and Renewable Energy, Solar Energy Technology Program), Grant/Award Number: DE-AC36-08-GO28308; and Ministry of Economy, Trade and
Customer ServiceWith ultraviolet nanosecond laser scribing, the OSC module yields an impressive geometric fill factor of 98% and a certified power conversion efficiency of 15.43% with an aperture area of 11.30 cm 2, making it one of the top-performing OSC modules reported.
Customer ServiceIn this work, a non-fullerene acceptor DTY6 is designed to apply in organic solar cell (OSC) module devices. When blended with donor PM6, the DTY6-based OSCs exhibit excellent performance with power conversion efficiency (PCE) over 16% when using non-halogen solvent o-xylene.
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