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Current Status of Outdoor Lifetime Testing of Organic Photovoltaics
Advanced Science ( IF 14.3 ) Pub Date : 2018-06-10 , DOI: 10.1002/advs.201800434 Yiwei Zhang 1 , Ifor D W Samuel 1 , Tao Wang 2 , David G Lidzey 3
Advanced Science ( IF 14.3 ) Pub Date : 2018-06-10 , DOI: 10.1002/advs.201800434 Yiwei Zhang 1 , Ifor D W Samuel 1 , Tao Wang 2 , David G Lidzey 3
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Performance degradation is one of the key obstacles limiting the commercial application of organic photovoltaic (OPV) devices. The assessment of OPV stability and lifetime are usually based on simulated degradation experiments conducted under indoor conditions, whereas photovoltaic devices experience different environmental conditions under outdoor operation. Besides the intrinsic degradation of OPV devices due to the evolution of optoelectronic and morphological structure during long‐term operation, outdoor environmental changes can impose extra stresses and accelerate the degradation of OPV modules. Although outdoor studies on long‐term OPV stability are restricted by the long data collection times, they provide direct information on OPV stability under mixed degradation stresses and are therefore invaluable from the point of view of both research and practical application. Here, an overview of the current status of outdoor lifetime studies of OPVs is provided. After a summary of device lifetime extrapolated from indoor studies, outdoor lifetime testing platforms are introduced and the operational lifetime of various OPV devices are reviewed. The influence of climate and weather parameters on device performance and burn‐in phenomena observed during the degradation of OPVs is then discussed. Finally, an outlook and directions for future research in this field are suggested.
中文翻译：
有机光伏户外寿命测试现状
性能下降是限制有机光伏（OPV）器件商业应用的关键障碍之一。 OPV稳定性和寿命的评估通常基于在室内条件下进行的模拟降解实验，而光伏器件在室外运行时会经历不同的环境条件。除了OPV器件在长期运行过程中由于光电和形态结构的演变而导致的固有退化之外，室外环境的变化也会施加额外的应力并加速OPV模块的退化。尽管对 OPV 长期稳定性的户外研究受到数据收集时间长的限制，但它们提供了混合降解应力下 OPV 稳定性的直接信息，因此从研究和实际应用的角度来看都具有无价的价值。本文概述了 OPV 户外寿命研究的现状。在总结了从室内研究推断出的设备寿命后，介绍了室外寿命测试平台，并回顾了各种 OPV 设备的工作寿命。然后讨论了气候和天气参数对器件性能的影响以及 OPV 降解过程中观察到的老化现象。最后，对该领域未来的研究提出展望和方向。
更新日期：2018-06-10
中文翻译：
有机光伏户外寿命测试现状
性能下降是限制有机光伏（OPV）器件商业应用的关键障碍之一。 OPV稳定性和寿命的评估通常基于在室内条件下进行的模拟降解实验，而光伏器件在室外运行时会经历不同的环境条件。除了OPV器件在长期运行过程中由于光电和形态结构的演变而导致的固有退化之外，室外环境的变化也会施加额外的应力并加速OPV模块的退化。尽管对 OPV 长期稳定性的户外研究受到数据收集时间长的限制，但它们提供了混合降解应力下 OPV 稳定性的直接信息，因此从研究和实际应用的角度来看都具有无价的价值。本文概述了 OPV 户外寿命研究的现状。在总结了从室内研究推断出的设备寿命后，介绍了室外寿命测试平台，并回顾了各种 OPV 设备的工作寿命。然后讨论了气候和天气参数对器件性能的影响以及 OPV 降解过程中观察到的老化现象。最后，对该领域未来的研究提出展望和方向。
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