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Scaling Up ITO-Free Solar Cells

机译:扩大无THIS的太阳能电池

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摘要

Indium-tin-oxide-free (ITO-free) polymer solar cells with composite electrodes containing current-collecting grids and a semitransparent poly(3,4-ethylenedioxythiophene):polystyrenesulfonate) (PEDOT:PSS) conductor are demonstrated. The up-scaling of the length of the solar cell from 1 to 6 cm and the effect of the grid line resistance are explored for a series of devices. Laser-beam-induced current (LBIC) mapping is used for quality control of the devices. A theoretical modeling study is presented that enables the identification of the most rational cell dimension for the grids with different resistances. The performance of ITO-free organic solar cells with different dimensions and different electrode resistances are evaluated for different light intensities. The current generation and electric potential distribution are found to not be uniformly distributed in large-area devices at simulated 1 Sun illumination. The generated current uniformity increases with decreasing light intensities.
机译:对具有复合电极的无铟锡氧化物(ITO)聚合物太阳能电池进行了演示,该复合电极包含集流栅和半透明的聚(3,4-乙撑二氧噻吩):聚苯乙烯磺酸盐(PEDOT:PSS)导体。对于一系列器件,研究了将太阳能电池的长度从1 cm扩展到6 cm以及网格线电阻的影响。激光束感应电流(LBIC)映射用于设备的质量控制。提出了理论建模研究,该研究能够识别具有不同电阻的网格的最合理的单元尺寸。对于不同的光强度,评估了具有不同尺寸和不同电极电阻的不含ITO的有机太阳能电池的性能。发现在模拟的1太阳光照下,大面积设备中的电流产生和电势分布不均匀。随着光强度的降低,产生的电流均匀性增加。

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