Inverted Organic Solar Cells Based on PTB7:PC<sub>71</sub>BM with PFN Electron Transport Layer on ITO-Free Flexible PEN Substrate
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説明
<jats:p>Organic solar cells are expected to have superior performance with flexibility and low cost fabrication. However, conventional organic solar cells usually have issues of using rare earth ITO and inferior long term reliability. To seek possible solutions for these issues, we fabricated an inverted solar cell with a structure of PEN/PEDOT:PSS/PFN/PTB7:PC<jats:sub>71</jats:sub>BM/MoO<jats:sub>3</jats:sub>/Au, and found that these devices had much improved long-term reliability when they were stored in air without any surface passivation layer. The resultant conversion efficiency of the solar cell was 1.88%, and the conversion efficiency continued to be almost independent of time even after 100 h of storage in air.</jats:p>
収録刊行物
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- ECS Transactions
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ECS Transactions 69 63-65, 2015-07-07
The Electrochemical Society