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Nanotechnology. 2016 Dec 16;27(50):505208. Epub 2016 Nov 17.

Solution-processed Ag-nanowire/ZnO-nanoparticle composite transparent electrode for flexible organic solar cells.

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School of Mechanical Engineering and Automation, Shanghai University, Shanghai, 200072, People's Republic of China. Key Laboratory of Advanced Display and System Applications, Ministry of Education, 149 Yanchang Road, Shanghai, 200072, People's Republic of China.


This paper demonstrates a hybrid transparent electrode composed of a solution-processed silver-nanowire (AgNW) film coated by zinc oxide nanoparticles (ZnO-NPs) acting as a modified buffer layer. The effect of the ZnO-NPs' coating ratio on the performances of indium tin oxide (ITO)-free organic solar cells (OSCs) has been systematically investigated. The optimized ITO-free OSCs achieved a power conversion efficiency (PCE) of 2.85%, while flexible OSCs using the AgNW/ZnO-NP composite transparent electrode grown on a polyethylene terephthalate (PET) substrate showed a PCE of 2.2%.

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