Neutral-colored semitransparent perovskite solar cells by controlling aperture ratios

Hyong Joon Lee, Seok Yeong Hong, Jin Kyoung Park, Linlin Feng, J. Heo, S. Im
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Abstract

In this study, we implement a laser patterning process on organic-inorganic hybrid perovskite (OIHP) film and perform systematical investigation on the effects of aperture ratios. Through careful aperture ratio control and by using indium tin oxide (ITO) transparent electrode, we can fabricate neutral-colored semitransparent OIHP solar cells. Furthermore, we show that a LiF interlayer between OIHP and C60 electron transport layer (ETL) plays a bifunctional role of interface passivation and current flow rectification. Consequently, we demonstrate a high efficiency of 12.83 % power conversion efficiency (PCE) from a 2.00 cm2 and 9.30 % PCE from 36.00 cm2 area, with 21.74 % average visible transmittance (AVT). In addition, the neutral-colored semitransparent solar cell retains 89.02 % of its initial efficiency after 1,000 hours in dry-air storage without encapsulation.
控制孔径比的中性色半透明钙钛矿太阳能电池
在这项研究中,我们实现了有机-无机杂化钙钛矿(OIHP)薄膜的激光图案化工艺,并对孔径比的影响进行了系统的研究。通过精细的孔径比控制,采用氧化铟锡(ITO)透明电极,可以制备出中性色的半透明OIHP太阳能电池。此外,我们发现在OIHP和C60电子传输层(ETL)之间的liff夹层具有界面钝化和电流整流的双重功能。因此,我们证明了在2.00 cm2的面积上功率转换效率(PCE)为12.83%,在36.00 cm2的面积上功率转换效率为9.30%,平均可见光透过率(AVT)为21.74%。此外,中性色半透明太阳能电池在没有封装的情况下在干燥空气中储存1000小时后,其初始效率仍保持89.02%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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