In this review, we summarize the factors limiting the stability of OSCs, such as metastable morphology, diffusion of electrodes and buffer layers, oxygen and water, irradiation, heating and mechani.
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Organic solar cells have achieved rapid development over the last few years, benefitting from the emerging of new non-fullerene acceptors (NFAs). The reported power conversion efficiency of OSCs has achieved over 18% up to now, however, the inferior stability issue restricts its commercialization, which stimulates the interest of scientists to
The main causes of OSC instability stem from the poor intrinsic stability of materials, metastable morphology of the multicomponent active layer, unstable interfaces, and sensitivity to moisture and oxygen. To address these issues, it
In accelerated lifetime tests, well encapsulated and UV-protected solar cells made of PCE-10:BT-CIC reached operational lifetimes over 30 years. A recent review discusses links between photoexcitation dynamics and stability, based on the resulting stationary density of unwanted degrading agents.
Organic solar cells degrade rapidly under both environmental and light exposure. In this paper, we review some of the changes in fundamental properties of organic solar cells under both photon-induced and environment-induced exposure which lead to changes in conversion efficiency. It is shown that the fundamental material properties, such as
The power conversion efficiency of organic solar cells has rapidly increased, yet significantly less attention has been paid to materials stability and device longevity. For
As the power conversion efficiency of organic photovoltaic has been dramatically improved to over 18%, achieving long-term stability is now crucial for applications
After more than two decades of development, the power conversion efficiencies (PCEs) of organic solar cells (OSCs) have been greatly improved through materials development [1, 2], interface engineering [3–5], and device structure optimization [6, 7], and the PCEs of the state-of-the-art OSCs based on the bulk heterojunction (BHJ) concept have now
In this review, we carefully review important strategies employed to improve the stability of OSCs over the past three years from the perspectives of material design and device engineering....
The main causes of OSC instability stem from the poor intrinsic stability of materials, metastable morphology of the multicomponent active layer, unstable interfaces, and sensitivity to moisture and oxygen. To address these issues, it is necessary to have a comprehensive and in-depth understanding of the OSC fundamentals and develop an
In this review, we carefully review important strategies employed to improve the stability of OSCs over the past three years from the perspectives of material design and device
In this review, we summarize the factors limiting the stability of OSCs, such as metastable morphology, diffusion of electrodes and buffer layers, oxygen and water, irradiation, heating and...
Abstract Organic solar cells (OSCs) have gained considerable attention due to their attractive power conversion efficiency (over 19%), simple preparation, lightweight and low cost. However, considerable challenges remain in the technical contexts to achieve stable performance for OSCs with extended life cycle. These challenges comprise of two primary
Although efficiency over 18% has been achieved, the real application of organic solar cells is still impeded by inferior stability because of degradation and limited studies. Here we report efficient normal structure
The power conversion efficiency (PCE) of OSCs has overpassed 16% for single junction and 17% for organic–organic tandem solar cells with the development of low bandgap organic materials synthesis and device processing technology. The main barrier of commercial use of OSCs is the poor stability of devices. Herein, the factors limiting the
Organic solar cells have achieved rapid development over the last few years, benefitting from the emerging of new non-fullerene acceptors (NFAs). The reported power
As the power conversion efficiency of organic photovoltaic has been dramatically improved to over 18%, achieving long-term stability is now crucial for applications of this promising photovoltaic technology. Among the high-efficiency systems, most are using BTP-4F and its analogs as acceptors.
The power conversion efficiencies of organic solar cells (OSCs) have reached over 19%. However, the combination of high efficiency and long-term stability is still a major conundrum of
In this review, we summarize the factors limiting the stability of OSCs, such as metastable morphology, diffusion of electrodes and buffer layers, oxygen and water, irradiation, heating and mechanical stress, and survey recent progress in strategies to increase the stability of OSCs, such as material design, device engineering of
In this review, we carefully review important strategies employed to improve the stability of OSCs over the past three years from the perspectives of material design and device engineering. Furthermore, we analyze and discuss the current important progress in terms of air, light, thermal and mechanical stability. Finally, we propose the future
Organic solar cells (OSCs) have attracted considerable attention for their promise of large-scale processing. Particularly, OSCs based on non-fullerene acceptors have enjoyed significant attention due to dramatically improving efficiency, however, long-term stability is crucial and, therefore, becomes an imperative research goal in the field.
Precisely controlling bulk heterojunction (BHJ) morphology through molecular design is one of the main longstanding challenges in developing high-performance organic solar cells (OSCs). Herein, three small molecule acceptors (SMAs) with different side chains (methyl, 2-ethylhexyl, and 2-decyl tetradecyl on benzotriazole unit), namely R-M, R-EH, R-DTD, were
In this review, we summarize the factors limiting the stability of OSCs, such as metastable morphology, diffusion of electrodes and buffer layers, oxygen and water, irradiation, heating and...
In this review, we summarize the factors limiting the stability of OSCs, such as metastable morphology, diffusion of electrodes and buffer layers, oxygen and water, irradiation, heating and mechanical stress, and survey
Organic solar cells (OSCs) present some advantages, such as simple preparation, light weight, low cost and large-area flexible fabrication, and have attracted much attention in recent years.
High UV and air stability are critical for the future application of organic solar cells (OSCs) in architectural integration and outer space. Yan et al. report carbon-coated zinc oxide as electron transporting layers for OSCs, which can significantly improve both their power conversion efficiency and air/UV stability.
The power conversion efficiency (PCE) of OSCs has overpassed 16% for single junction and 17% for organic–organic tandem solar cells with the development of low bandgap organic materials synthesis and device processing technology.
We expect that this review will contribute to solving the stability problem of OSCs, eventually paving the way for commercial applications in the near future. Organic solar cells (OSCs) have attracted a great deal of attention in the field of clean solar energy due to their advantages of transparency, flexibility, low cost and light weight.
As per the international standards, in order to certify a solar cell as stable, the device must be able to withstand thermal cycling between −40°C and 85°C.40 Ideally, the miscibility and diffusion coefficients are known over the full temperature range.
As the power conversion efficiency of organic photovoltaic has been dramatically improved to over 18%, achieving long-term stability is now crucial for applications of this promising photovoltaic technology. Among the high-efficiency systems, most are using BTP-4F and its analogs as acceptors.
Organic solar cells (OSCs) present some advantages, such as simple preparation, light weight, low cost and large-area flexible fabrication, and have attracted much attention in recent years. Although the power conversion efficiencies have exceeded 10%, the inferior device stability still remains a great challenge.
Organic solar cells (OSCs) have attracted a great deal of attention in the field of clean solar energy due to their advantages of transparency, flexibility, low cost and light weight. Introducing them to the market enables seamless integration into buildings and windows, while also supporting wearable, porta
The organic solar cell (OSC) is a promising emerging low-cost thin film photovoltaics technology. The power conversion efficiency (PCE) of OSCs has overpassed 16% for single junction and 17% for organic–organic tandem solar cells with the development of low bandgap organic materials synthesis and device processing technology.
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