Single-wall carbon nanotube-containing cathode interfacial materials for high performance organic solar cells
Single-wall carbon nanotube-containing cathode interfacial materials for high performance organic solar cells
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用于高性能有机太阳能电池的单壁碳纳米管阴极界面材料
DOI：
10.1007/s11426-020-9917-6
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发表时间：
2021-02
期刊：
影响因子：
--
通讯作者：
Li Yongfang
中科院分区：
文献类型：
--
作者：
Pan Fei;Bai Song;Liu Tianhao;Tang Dianyong;Wei Xian;Chen Xiwen;Lv Menglan;Li Yongfang
水/醇溶阴极界面材料在有机发光二极管、钙钛矿型太阳能电池、有机太阳能电池等光电子器件中发挥着重要的作用。本文通过将N掺杂的单壁碳纳米管(SWCNTs)分散到具有代表性的二芳基二亚胺(PDI)衍生物PDIN和PDINO中，制备了用于口腔干细胞的N掺杂溶液可加工单壁碳纳米管(SWCNTs)。拉曼光谱和X射线光电子能谱(XPS)的测量结果说明了PdIN/PdINO在共混体系中对SWCNTs的掺杂行为。掺杂和n掺杂的单壁碳纳米管可以调节PDI-衍生物/单壁碳纳米管(PDI-CNT)复合CIMS的功函数，提高其导电性；复合CIMS可以调节和下移阴极功函数，减少电荷复合，提高电荷提取速率，增强OSCs的光伏性能。在PDI-CNT复合材料CIMS中，基于PM6：Y6和PM6：Y6：PC71BM的OSCs分别获得了17.1%和17.7%的高功率转换效率。这些结果表明，与零维富勒烯和二维石墨烯等含氧掺杂纳米材料一样，然后掺杂的单壁碳纳米管复合材料是用于有机半导体的优良的CIMS，并可以在其他光电子器件中找到潜在的应用。
Water/alcohol soluble cathode interfacial materials (CIMs) are playing important roles in optoelectronic devices such as organic light emitting diodes, perovskite solar cells and organic solar cells (OSCs). Herein,n-doped solution-processable single-wall carbon nanotubes (SWCNTs)-containing CIMs for OSCs are developed by dispersing SWCNTs to the typical CIMs perylene diimide (PDI) derivatives PDIN and PDINO. The Raman and X-ray photoelectron spectroscopy (XPS) measurement results illustrate then-doped behavior of SWCNTs by PDIN/PDINO in the blend CIMs. The blended andn-doped SWCNTs can tune the work function and enhance the conductivity of the PDI-derivative/SWCNT (PDI-CNT) composite CIMs, and the composite CIMs can regulate and down-shift the work function of cathode, reduce the charge recombination, improve the charge extraction rate and enhance photovoltaic performance of the OSCs. High power conversion efficiency (PCE) of 17.1% and 17.7% are obtained for the OSCs based on PM6:Y6 and ternary PM6:Y6:PC71BM respectively with the PDI-CNT composites CIMs. These results indicate that then-doped SWCNT-containing composites, like othern-doped nanomaterials such as zero dimensional fullerenes and two dimensional graphenes, are excellent CIMs for OSCs and could find potential applications in other optoelectronic devices.
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影响因子：
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作者：
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通讯作者：
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