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Enhanced Performance of Planar Perovskite Solar Cells Using Low-Temperature Solution-Processed Al-Doped SnO2 as Electron Transport Layers

机译:使用低温溶液处理的Al掺杂SnO2作为电子传输层的平面钙钛矿太阳能电池的增强性能

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摘要

Lead halide perovskite solar cells (PSCs) appear to be the ideal future candidate for photovoltaic applications owing to the rapid development in recent years. The electron transport layers (ETLs) prepared by low-temperature process are essential for widespread implementation and large-scale commercialization of PSCs. Here, we report an effective approach for producing planar PSCs with Al3+ doped SnO2 ETLs prepared by using a low-temperature solution-processed method. The Al dopant in SnO2 enhanced the charge transport behavior of planar PSCs and increased the current density of the devices, compared with the undoped SnO2 ETLs. Moreover, the enhanced electrical property also improved the fill factors (FF) and power conversion efficiency (PCE) of the solar cells. This study has indicated that the low-temperature solution-processed Al-SnO2 is a promising ETL for commercialization of planar PSCs.
机译:由于近年来的快速发展,卤化钙钛矿型铅酸太阳能电池(PSC)似乎是光伏应用的理想未来候选者。通过低温工艺制备的电子传输层(ETL)对于PSC的广泛实施和大规模商业化至关重要。在这里,我们报告了一种通过用低温固溶处理方法制备的,掺杂有Al 3 + 的SnO2 ETL制备平面PSC的有效方法。与未掺杂的SnO2 ETL相比,SnO2中的Al掺杂剂增强了平面PSC的电荷传输行为,并增加了器件的电流密度。此外,增强的电性能还改善了太阳能电池的填充因子(FF)和功率转换效率(PCE)。这项研究表明,低温固溶处理的Al-SnO2是用于平面PSC的商业化的有前途的ETL。

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