2016 Fiscal Year Final Research Report
High stability perovskite solar cells
| Project/Area Number |
15K17925
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Device related chemistry
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| Research Institution | Okinawa Institute of Science and Technology Graduate University |
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Principal Investigator |
Qi Yabing 沖縄科学技術大学院大学, エネルギー材料と表面科学ユニット, 准教授 (10625015)
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| Project Period (FY) |
2015-04-01 – 2017-03-31
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| Keywords | 有機無機ハイブリッドペロブスカイト / 太陽エネルギー / 毒性最小化 / 太陽光発電 / 長期安定性 / 正孔輸送材料 / 鉛フリーペロブスカイト / 真空共蒸着法 |
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| Outline of Final Research Achievements |
In organic-inorganic hybrid perovskite solar cells, development of up-scaling processes with high solar energy power conversion efficiency, long-term stability, and minimum toxicity is important for moving forward this photovoltaic technology towards commercialization. The main findings from our research includes (1) fundamental understanding of CH3NH3PbI3-based perovskite solar cell degradation processes; (2) fundamental degradation processes taking place in the top-most layer of spiro-MeOTAD hole transport material often used in perovskite solar cells; (3) development of a novel process denoted as methylamine gas induced crystallization treatment that leads to high quality perovskite films; (4) initial trials of CH3NH3SnBr3-based lead-free perovskite solar cells by the vacuum co-evaporation and sequential methods.
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| Free Research Field |
有機無機ハイブリッドペロブスカイト太陽電池
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