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A light harvesting device geometry is implemented for polymer solar cells that retain efficiency when the device area is scaled up. Patterning devices and incorporating suitable fluorescent dye doped polymers in the spaces between the patterns leads to 12% efficiency enhancement. Vacuum free deposition of electrodes is carried out using meltable alloys giving rise to device efficiency of 6%. The fluorescent...
Large area pixelated polymer solar cell design with active encapsulants for down‐conversion and redirecting light is demonstrated by K. S. Narayan and Anshuman J. Das on page 2193. The large‐area, vacuum‐free fabrication is carried out using meltable alloys as cathodes and an architecture which permits channelizing the light back into the device utilizing appropriate fluorescent dye molecules embedded...
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