基于金属氧化物与聚合物的可印刷复合界面层的制备及在有机能电池和钙钛矿电池中的应用
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摘要
在可印刷有机太阳能电池和平面型钙钛矿电池中,界面层起到表面填平、电极功函数修饰、电荷选择性注入和传输等作用。界面层薄膜的宏观和微观性质对器件制备工艺,获得的器件性能,以及器件长时间工作中的稳定性都有很大的影响。针对目前对高成膜质量以及低厚度依赖性可印刷界面层的开发需求,我们研制了一类基于金属氧化物纳米粒子-聚合物的复合物。~(1-4)这类复合物材料结合了金属氧化物导电性能好和聚合物成膜性好的优势;用于有机光伏和钙钛矿电池器件中,表现出表面缺陷少、电荷输运能力强、厚度敏感性低、可印刷性强、器件稳定性提高的特点。本报告将介绍我们在开发可印刷界面层及大面积光伏器件制备方面的一些工作,包括材料合成、材料光电性能、在器件上的效应及相关机制。
In the organic or perovskite solar cells, interfacial layer plays an important role with the functions of work function modification, substrates smoothening, carrier selectively extraction. In general, the commonly used interfacial layers both for cathode buffer layer and anode buffer layer include metal oxides, conjugated or non-conjugated polymer, fullerene and non-fullerene small molecular. Nowadays, composite combining inorganic nanoparticles and polymer is emerging to improve the film formation quality of inorganic nanoparticles and lower the thickness sensitivity of polymer materials. In this respect, we have developed a series of nano-composites based on metal oxides and polymer for application in organic and perovskite solar cells, including cathode ~([1-2]) and anode buffer layers. ~([3-4]) The results demonstrate these composite interfacial layer based organic and perovskite solar cells show prominent properties of high conversion efficiency, low thickness dependence and improved device stability. These results show the attraction of organic –inorganic nano-composite as potential interfacial layer for high efficiency and stable organic optoelectric devices.
引文
[1]Wu,N.;Luo,Q.;Bao,Z.M.;Lin,J.;Li,Y.-Q.;Ma,C.-Q.Sol.Energy Mat.Sol.Cells,2015,141:248-259.
    [2]Jia,X.R.;Wu,N.;Wei,J.F.;Luo,Q.;Zhang,L.P.;Bao,Z.M.;Li,Y.-Q.;Ma,C.-Q.Unpublished.
    [3]Wang,Y.L.;Luo Q.;Wu N.;Wang,Q.K.;Zhu,H.F.;Chen,L.W.;Li,Y.-Q.;Luo,L.Q.;Ma,C.-Q.ACS Appl.Mater.Interface 2015,7:7170-7179.
    [4]Wang,Y.L.;Luo,Q.;Wu,N.;Bao,Z.M.;Li,Y.-Q.;Luo,L.Q.;Ma,C.-Q.Unpublished.

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