Enhanced charge collection with ultrathin AlOx electron blocking layer for hole-transporting material-free perovskite solar cell
An ultrathin AlOx layer has been deposited onto a CH3NH3PbI3 film using atomic layer deposition technology, to construct a metal-insulator-semiconductor (MIS) back contact for the hole-transporting material-free perovskite solar cell. By optimization of the ALD deposition cycles, the average power c...
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| Veröffentlicht in: | Physical chemistry chemical physics : PCCP 2015-02, Vol.17 (7), p.4937-4944 |
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| container_title | Physical chemistry chemical physics : PCCP |
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| creator | Wei, Huiyun Shi, Jiangjian Xu, Xin Xiao, Junyan Luo, Jianheng Dong, Juan Lv, Songtao Zhu, Lifeng Wu, Huijue Li, Dongmei Luo, Yanhong Meng, Qingbo Chen, Qiang |
| description | An ultrathin AlOx layer has been deposited onto a CH3NH3PbI3 film using atomic layer deposition technology, to construct a metal-insulator-semiconductor (MIS) back contact for the hole-transporting material-free perovskite solar cell. By optimization of the ALD deposition cycles, the average power conversion efficiency (PCE) of the cell has been enhanced from 8.61% to 10.07% with a highest PCE of 11.10%. It is revealed that the improvement in cell performance with this MIS back contact is mainly attributed to the enhancement in charge collection resulting from the electron blocking effect of the AlOx layer. |
| doi_str_mv | 10.1039/c4cp04902k |
| format | Article |
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By optimization of the ALD deposition cycles, the average power conversion efficiency (PCE) of the cell has been enhanced from 8.61% to 10.07% with a highest PCE of 11.10%. 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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| title | Enhanced charge collection with ultrathin AlOx electron blocking layer for hole-transporting material-free perovskite solar cell |
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