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An approach to optimize pre-annealing aging and anneal conditions to improve photovoltaic performance of perovskite solar cells

机译:一种优化预退火衰老和退火条件的方法,提高钙钛矿太阳能电池的光伏性能

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摘要

Abstract In this study, we reported a low-temperature, one-step solution process to fabricate perovskite solar cells using dehydrated lead acetate as the lead source. These perovskite films were aged at 200 s before thermal annealing at 90 °C for 5 min. Uniform perovskite films with lesser pinholes were obtained by this technique. The inverted planar (n-i-p) perovskite solar cell device resulted in a power conversion efficiency of 13%. A substantial finding was that the devices demonstrated high reproducibility. We also investigated the effect of annealing temperature on the optical and structural properties of the films and on the photovoltaic performances of the fabricated solar cell devices. For the aforementioned, a low-temperature, one-step solution process, the optimal temperature was achieved at 90 °C.
机译:摘要在这项研究中,我们报道了一种低温,一步的一步溶液方法,用于使用脱水醋酸盐作为引线来制造钙钛矿太阳能电池。这些钙钛矿薄膜在200℃下在90℃下进行5分钟时老化。通过该技术获得具有较小针孔的均匀Perovskite薄膜。倒平面(N-I-P)Perovskite太阳能电池装置导致功率转换效率为13%。实质性发现是该器件展现了高再现性。我们还研究了退火温度对薄膜的光学和结构性能的影响以及制造的太阳能电池装置的光伏性能。对于上述,低温,一步溶液方法,在90℃下实现最佳温度。

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