Unconventional lithographic methods, such as nanoimprint lithography, soft lithography, and capillary force lithography, have received much attention as tools for fabricating sub-100 nm features or three dimensional structures of polymeric materials. In this presentation, we propose a strategy to enhance the efficiencies of organic photovoltaic cells which are definitely hot issues in recent years because of the ultimate importance in sustainable energy.  First, we demonstrate a methodology to fabricate nanostructures of conductive polymers in sub-100 nm for ordered heterojunction organic photovoltaic cells which is quite useful for large area fabrication. In addition, we propose a light trapping strategy with three dimensional pattern structure of transparent oxide materials to increase the light absorption in the active area of dye sensitized solar cells (DSSCs).

Enhancement of solar cell performance with micro- and nano-patterning based on unconventional lithographic methods

244th National Meeting (2012)

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