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Enhanced performance and stability of p–i–n perovskite solar cells by utilizing an AIE-active cathode interlayer
| Content Provider | Semantic Scholar |
|---|---|
| Author | Fan, Yunhao Chang, Kai Xu, Zijian Li, Qianqian Chen, Yiwang Li, Zhen |
| Copyright Year | 2019 |
| Abstract | A new alcohol-soluble AIE-active quaternary ammonium salt PTN-Br was prepared and developed as the cathode interfacial layer (CIL) between the Ag electrode and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) in p–i–n perovskite solar cells (PVSCs). Excitingly, the device showed a reduced work function (WF) of the commonly used Ag electrode, improved cathode interfacial contact, accelerated electron transport mobility and suppressed interfacial recombination, directly leading to a champion power conversion efficiency (PCE) of 17.44%, which exceeded that of the reference device without PTN-Br as the CIL (15.14%). Also, thanks to the absorption of PTN-Br in the UV region, the PTN-Br-based PVSCs showed superior UV stability, maintaining 72.2% of the original PCE, to the control device which maintained only 36.8% of the initial PCE after UV irradiation for 12 h. |
| Starting Page | 15662 |
| Ending Page | 15672 |
| Page Count | 11 |
| File Format | PDF HTM / HTML |
| DOI | 10.1039/C9TA02488C |
| Volume Number | 7 |
| Alternate Webpage(s) | http://www.rsc.org/suppdata/c9/ta/c9ta02488c/c9ta02488c1.pdf |
| Alternate Webpage(s) | https://doi.org/10.1039/C9TA02488C |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
