Progress in Stability of Organic Solar Cells

Advanced Science, Journal Year: 2020, Volume and Issue: 7(11)

Published: April 22, 2020

Abstract The organic solar cell (OSC) is a promising emerging low‐cost thin film photovoltaics technology. power conversion efficiency (PCE) of OSCs has overpassed 16% for single junction and 17% organic–organic tandem cells with the development low bandgap materials synthesis device processing main barrier commercial use poor stability devices. Herein, factors limiting are summarized. oxygen, water, irradiation, heating, metastable morphology, diffusion electrodes buffer layers materials, mechanical stress. recent progress in strategies to increase surveyed, such as material design, engineering active layers, employing inverted geometry, optimizing using stable encapsulation materials. International Summit on Organic Photovoltaic Stability guidelines also discussed. potential research achieve required highlighted, rendering possible pathways facilitate viable commercialization OSCs.

Language: Английский

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Recent progress in organic solar cells (Part II device engineering)

Science China Chemistry, Journal Year: 2022, Volume and Issue: 65(8), P. 1457 - 1497

Published: May 26, 2022

Language: Английский

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Polymer Semiconductors: Synthesis, Processing, and Applications

Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(12), P. 7421 - 7497

Published: May 26, 2023

Polymer semiconductors composed of a carbon-based π conjugated backbone have been studied for several decades as active layers multifarious organic electronic devices. They combine the advantages electrical conductivity metals and mechanical behavior plastics, which are going to become one futures modulable materials. The performance materials depends both on their chemical structures multilevel microstructures in solid states. Despite great efforts that made, they still far from producing clear picture among intrinsic molecular structures, microstructures, device performances. This review summarizes development polymer recent aspects material design related synthetic strategies, processing technologies, functional applications. especially emphasized, plays decisive role determining performance. discussion shows panorama research sets up bridge across finally devices Finally, this discusses grand challenges future opportunities semiconductors.

Language: Английский

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Recent Progress and Challenges toward Highly Stable Nonfullerene Acceptor‐Based Organic Solar Cells

Advanced Energy Materials, Journal Year: 2020, Volume and Issue: 11(5)

Published: Dec. 27, 2020

Abstract Organic solar cells (OSCs) based on nonfullerene acceptors (NFAs) have made significant breakthrough in their device performance, now achieving a power conversion efficiency of ≈18% for single junction devices, driven by the rapid development molecular design and engineering recent years. However, long‐term stability remains major challenge to overcome commercialization, due large part current lack understanding degradation mechanisms as well rules enhancing stability. In this review, progress high performance NFA‐based OSCs is specific focus. First, an overview advances several classes various targeted applications provided, before presenting critical review different identified through photochemical‐, photo‐, morphological pathways. Potential strategies address these further enhancement, from design, interfacial engineering, morphology control perspectives, are also discussed. Finally, outlook given highlighting remaining key challenges toward NFA‐OSCs.

Language: Английский

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Balancing the efficiency, stability, and cost potential for organic solar cells via a new figure of merit

Joule, Journal Year: 2021, Volume and Issue: 5(5), P. 1209 - 1230

Published: April 21, 2021

Language: Английский

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Ternary Blend Organic Solar Cells: Understanding the Morphology from Recent Progress

Advanced Materials, Journal Year: 2021, Volume and Issue: 34(46)

Published: Nov. 19, 2021

Ternary blend organic solar cells (TB-OSCs) incorporating multiple donor and/or acceptor materials into the active layer have emerged as a promising strategy to simultaneously improve overall device parameters for realizing higher performances than binary devices. Whereas introducing also results in more complicated morphology their counterparts. Understanding is crucially important further improving performance of TB-OSC. This review introduces solubility and miscibility that affect ternary blends. Then, this summarizes recent processes study on blends from aspects molecular crystallinity, packing orientation, domain size purity, directly observation morphology, vertical phase separation well morphological stability. Finally, summary prospects TB-OSCs are concluded.

Language: Английский

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Progress and challenges of crop production and electricity generation in agrivoltaic systems using semi-transparent photovoltaic technology

Renewable and Sustainable Energy Reviews, Journal Year: 2022, Volume and Issue: 158, P. 112126 - 112126

Published: Jan. 18, 2022

Language: Английский

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Narrowband organic photodetectors – towards miniaturized, spectroscopic sensing

Materials Horizons, Journal Year: 2021, Volume and Issue: 9(1), P. 220 - 251

Published: Oct. 27, 2021

Organic photodetectors can achieve narrowband photodetection within a single optoelectronic device. This comprehensive review summarizes and compares the different approaches, introduces their application fields, outlines current challenges.

Language: Английский

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Material Design and Device Fabrication Strategies for Stretchable Organic Solar Cells

Advanced Materials, Journal Year: 2022, Volume and Issue: 34(31)

Published: June 28, 2022

Abstract Recent advances in the power conversion efficiency (PCE) of organic solar cells (OSCs) have greatly enhanced their commercial viability. Considering technical standards (e.g., mechanical robustness) required for wearable electronics, which are promising application platforms OSCs, development fully stretchable OSCs (f‐SOSCs) should be accelerated. Here, a comprehensive overview f‐SOSCs, aimed to reliably operate under various forms stress, including bending and multidirectional stretching, is provided. First, requirements terms tensile cohesion/adhesion properties, summarized along with experimental methods evaluate those properties. Second, essential studies make each layer f‐SOSCs efficient discussed, emphasizing strategies simultaneously enhance photovoltaic properties active layer, ranging from material design fabrication control. Key improvements other components/layers (i.e., substrate, electrodes, interlayers) also covered. Lastly, considering that f‐SOSC research its infancy, current challenges future prospects explored.

Language: Английский

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From Solution to Thin Film: Molecular Assembly of π-Conjugated Systems and Impact on (Opto)electronic Properties

Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(13), P. 8395 - 8487

Published: June 5, 2023

The assembly of conjugated organic molecules from solution to solid-state plays a critical role in determining the thin film morphology and optoelectronic properties solution-processed electronics photovoltaics. During evaporative processing, π-conjugated systems can assemble via various forms intermolecular interactions, forming distinct aggregate structures that drastically tune charge transport landscape solid-state. In blend composed donor polymer acceptor molecules, neat materials couples with phase separation crystallization processes, leading complex transition pathways which govern morphology. this review, we provide an in-depth review molecular processes polymers nonfullerene small molecule acceptors discuss their impact on properties. We then shift our focus relevant solar cells fundamentals highlight how processing conditions affect device performance.

Language: Английский

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