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华南理工大学 吴宏斌教授 9.2% 聚合物太阳能电池 发表在naturePhotonics上面
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评价下啊，赚点金币！文献报道最高效率Polymer-fullerene bulk heterojunction solar cells (PSCs) are currently attracting a great deal of attention and gaining increasing importance, having already shown great promise as renewable, lightweight and low-cost energy sources1–4. Recently, the power-conversion efficiency of state-of-the-art PSCs has exceeded 8% in the scientific literature5. However, to find viable applications for this emerging photovoltaic tech- nology, further enhancements in the efficiency towards 10% (the threshold for commercial applications) are urgently required6. Here, we demonstrate highly efficient PSCs with a certified efficiency of 9.2% using an inverted structure, which simultaneously offers ohmic contact for photogenerated charge-carrier collection and allows optimum photon harvest in the device. Because of the ease of use and drastic boost in efficiency provided by this device structure, this discovery could find use in fully exploiting the potential of various material systems, and also open up new opportunities to improve PSCs with a view to achieving an efficiency of 10%. [ Last edited by tanhua815 on 2012-8-21 at 17:17 ] |
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