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PEDOT:PSS-CrO3 composite hole-transporting layer for high-performance p-i-n structure perovskite solar cells
Organic Electronics ( IF 2.7 ) Pub Date : 2017-11-26 , DOI: 10.1016/j.orgel.2017.11.030
Jia-Yun Zhu , Kai Niu , Meng Li , Mo-Qiong Lin , Jia-Hao Li , Zhao-Kui Wang

A solution-processed hole-transporting layer for planar perovskite solar cells (PSCs) is developed by simply incorporating the CrO3 aqueous solution into the ploy(3,4-ethylene-dioxythiophene):ploystyrenesulfonate (PEDOT:PSS) aqueous dispersion. Besides the merits of high conductivity and interface modification, PEDOT:PSS-CrO3 composite films can act as a good underlayer for the growth of the crystal perovskite films. The CH3NH3PbI3−xClx film deposited on the PEDOT:PSS-CrO3 underlayer demonstrates high quality with large-scale domains and good film uniformity, which results in obvious improvement of the absorption in almost whole visible-light range. The resulting PSC device shows a power conversion efficiency (PCE) as high as 16.90%.



中文翻译:

PEDOT:用于高性能针型钙钛矿太阳能电池的PSS-CrO 3复合空穴传输层

通过将CrO 3水溶液简单地掺入多(3,4-乙烯-二氧噻吩):苯乙烯磺酸盐(PEDOT:PSS)水分散体中,即可开发出用于平面钙钛矿太阳能电池(PSC)的溶液处理空穴传输层。除了具有高电导率和界面改性的优点外,PEDOT:PSS-CrO 3复合膜还可以作为钙钛矿晶体生长的良好底层。在PEDOT:PSS-CrO 3上沉积的CH 3 NH 3 PbI 3-x Cl x底层具有高质量,大范围的区域和良好的薄膜均匀性,从而在几乎整个可见光范围内都显着改善了吸收率。所得的PSC器件显示出高达16.90%的功率转换效率(PCE)。

更新日期:2017-11-26
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