AI Article Synopsis
- The study shows that the absorption of C60 changes nonlinearly when mixed with bathocuprione (BCP) in solid solutions.
- Blending C60 and BCP affects the photocurrent in bilayer organic photovoltaics, with a 1:1 ratio leading to a 40% reduction in photocurrent.
- The optimized blends serve as effective exciton blocking layers, boosting power conversion efficiencies to 5.3%, which is a 10% improvement over traditional buffer layers.
Article Abstract
We demonstrate the concentration dependence of C60 absorption in solid solutions of C60 and bathocuprione (BCP), revealing a nonlinear decrease of the C60 charge transfer (CT) state absorption. These blends are utilized to study the photocurrent contribution of the CT in bilayer organic photovoltaics (OPVs); 1:1 blends produce 40% less photocurrent. As exciton blocking electron transporting layers, the blends achieve power conversion efficiencies of 5.3%, an increase of 10% compared to conventional buffers.
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| http://dx.doi.org/10.1021/nl401531t | DOI Listing |
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