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Silicon Nanowire/Poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) Heterojunction Solar Cells

机译:硅纳米线/聚(3,4-乙撑二氧噻吩):聚(苯乙烯磺酸盐)异质结太阳能电池

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摘要

The characteristics of the well-aligned silicon nanowire/poly(3,4-ethylenedioxy- thiophene):poly(styrenesulfonate) (PEDOT:PSS) heterojunction solar cells are investigated. The PEDOT:PSS adheres on the n-type silicon nanowire surface to form core-sheath heterojunction structure. A novel front contact is proposed here to enhance the carrier collection efficiency for the nanostructured emitter. The cells exhibit stable rectifying diode behavior. Such structure increases the area of junctions and shortens exciton diffusion distance, and therefore greatly increases exciton dissociating probability. Compared to the devices without nanowire structure, the power conversion efficiency improves from 0.08 % to 4.99 %.
机译:研究了取向良好的硅纳米线/聚(3,4-乙撑二氧噻吩):聚(苯乙烯磺酸盐)(PEDOT:PSS)异质结太阳能电池的特性。 PEDOT:PSS粘附在n型硅纳米线表面上,形成芯-鞘异质结结构。在此提出了一种新颖的前触点,以提高纳米结构发射极的载流子收集效率。电池表现出稳定的整流二极管性能。这种结构增加了结的面积并缩短了激子扩散距离,因此大大增加了激子离解的可能性。与没有纳米线结构的设备相比,功率转换效率从0.08%提高到4.99%。

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