Effect of variations in blend preparation on the properties of P3HT:PCBM blend solar cells

M. Estrada, V. Balderrama, J. Albero, J. Nolasco, A. Cerdeira, L. Marsal, J. Pallarès, B. Iñíguez, E. Palomares
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Abstract

Polymeric solar cells have attracted much attention during the last years due to their lower fabrication cost and possibility of using flexible substrates. However, their efficiency is still less than 5%. Among factors affecting solar cells efficiency, the active layer morphology related to blend preparation and annealing, is one of the most important. In this work we analyze the behavior of solar cells based on P3HT:PCBM blends prepared under different conditions. Basic parameters are extracted from measured characteristics in dark and under illumination. Modeling is used to understand mechanisms involved in the device behavior and during its degradation, when working in ambient conditions.
混合制备工艺对P3HT:PCBM混合太阳能电池性能的影响
聚合物太阳能电池由于其较低的制造成本和使用柔性衬底的可能性在过去几年中引起了人们的广泛关注。然而,它们的效率仍然不到5%。在影响太阳能电池效率的因素中,与共混制备和退火有关的活性层形貌是最重要的因素之一。本文分析了在不同条件下制备的P3HT:PCBM共混物太阳能电池的性能。在黑暗和光照条件下从测量的特征中提取基本参数。建模用于理解在环境条件下工作时涉及设备行为及其退化过程的机制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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