التفاصيل البيبلوغرافية
| العنوان: |
Efficiency enhancement in DIBSQ:PCBM organic photovoltaic cells by using Liq-doped Bphen as a cathode buffer layer. |
| المؤلفون: |
Chen, Guo, Si, Changfeng, Zhang, Pengpeng, Guo, Kunping, Pan, Saihu, Zhu, Wenqing, Wei, Bin |
| المصدر: |
Frontiers of Materials Science; Sep2017, Vol. 11 Issue 3, p233-240, 8p |
| مستخلص: |
We have improved the photovoltaic performance of 2,4-bis[4-(N,Ndiisobutylamino)- 2,6-dihydroxyphenyl] squaraine:[6,6]-phenyl C71-butyric acid methyl ester (DIBSQ:PCBM) organic photovoltaic (OPV) cells via incorporating Liq-doped Bphen (Bphen-Liq) as a cathode buffer layer (CBL). Based on the Bphen-Liq CBL, a DIBSQ:PCBM OPV cell possessed an optimal power conversion efficiency of 4.90%, which was 13% and 60% higher than those of the devices with neat Bphen as CBL and without CBL, respectively. The enhancement of the device performance could be attributed to the enhanced electron mobility and improved electrode/active layer contact and thus the improved photocurrent extraction by incorporating the Bphen-Liq CBL. Light-intensity dependent device performance analysis indicates that the incorporating of the Bphen-Liq CBL can remarkably improve the charge transport of the DIBSQ:PCBM OPV cell and thus decrease the recombination losses of the device, resulting in enhanced device performance. Our finding indicates that the doped Bphen-Liq CBL has great potential for high-performance solution-processed small-molecule OPVs. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
