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Investigation on a dopant-free hole transport material for perovskite solar cells

机译:对钙钛矿太阳能电池掺杂剂 - 自由孔输送材料的研究

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A tetraphenylethene derivative (TPE-4DPA) was synthesized and applied as the hole transporting material for planar perovskite solar cells. The use of TPE-4DPA for device fabrication requires no oxidization process and lower amount of additives, delivering an overall power conversion efficiency of 12.81%. Remarkably, even in the absence of the additives, the solar cell based on the pristine TPE-4DPA still generates a J _(sc) as high as 20.50 mA cm ~(?2) , and moderate PCE of 9.12%. Using no additives is of critical importance, which simultaneously increases the stability of the devices and reduces the fabrication cost of perovskite solar cells, when compared to devices using Li-TFSI doped Spiro-OMeTAD.
机译:合成四苯基乙烯衍生物(TPE-4DPA)并施加为平面钙钛矿太阳能电池的空穴传输材料。使用TPE-4DPA用于器件制造,不需要氧化过程和较低的添加剂,其总功率转换效率为12.81%。值得注意的是,即使在没有添加剂的情况下,也基于原始TPE-4DPA的太阳能电池仍然产生高达20.50 mA cm〜(α2)的J _(SC),并且中等PCE为9.12%。使用没有添加剂的重要性是至关重要的,其同时增加了装置的稳定性并减少了与使用Li-TFSI掺杂螺旋-Molecad的装置的装置相比的钙钛矿太阳能电池的制造成本。

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