首页> 外文会议>International Conference on Materials Science and Mechanical Engineering >Effects of PCBM Loading and Thermal Annealing on Nanomorphology of Blend of Polymer/Fullerene Thin Films Solar Cells: Impact on Charge Carrier Mobility and Efficiency
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Effects of PCBM Loading and Thermal Annealing on Nanomorphology of Blend of Polymer/Fullerene Thin Films Solar Cells: Impact on Charge Carrier Mobility and Efficiency

机译:PCBM载荷和热退火对聚合物/富勒烯薄膜太阳能电池混合物纳米形态的影响:对电荷载流子移动性和效率的影响

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Blend of P3HT/Fullerene thin films solar cell with two different percentage ratio of PCBM loading is investigated. Optical absorption spectroscopy is employed to elucidate the nature of PCBM cluster formation upon thermal annealing. Sandwich structures comprising of ITO/Cs_2CO_3/P3HT: PCBM/LiF/Al (electron only device), and ITO/PEDOT:PSS/P3HT:PCBM/Au (hole only device) are fabricated using spin coating for the investigations concerning electron and hole mobilities. The impact of charge carrier mobilities on bimolecular recombination and ultimately the power conversion efficiency for two different PCBM loading is also investigated. A direct correlation between Langev in recombination rate and short circuit current density as a function of thermal annealing is realized. The maximum power conversion efficiency is measured at 150°C for P3HT: PCBM (1:1) solar cell.
机译:研究了P3HT /富勒烯薄膜太阳能电池,具有两种不同百分比的PCBM载荷比率。使用光学吸收光谱法在热退火时阐明PCBM簇形成的性质。包括ITO / CS_2CO_3 / P3HT:PCBM / LIF / A1(电子的仅设备)和ITO / PEDOT:PSS / P3HT:PCBM / AU(孔仅设备)的夹层结构是使用旋涂制造的,用于研究电子和孔的研究移动性。还研究了电荷载流子迁移率对两种不同PCBM负荷的双分子重组的影响,并最终进行功率转换效率。实现了作为热退火的函数的重组率和短路电流密度的Langev之间的直接相关性。最大功率转换效率在150°C下测量P3HT:PCBM(1:1)太阳能电池。

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