Effect of gold nanopillar arrays on the absorption spectrum of a bulk heterojunction organic solar cell.

@article{Tsai2010EffectOG,
  title={Effect of gold nanopillar arrays on the absorption spectrum of a bulk heterojunction organic solar cell.},
  author={Shu-Ju Tsai and Mihaela Ballarotto and D. Blumenkron Romero and Warren Nevin Herman and Hongli Kan and Raymond J Phaneuf},
  journal={Optics express},
  year={2010},
  volume={18 Suppl 4},
  pages={
          A528-35
        }
}
We report on the effect of arrays of Au nanopillars of controlled size and spacing on the spectral response of a P3HT: PCBM bulk heterojunction solar cell. Prototype nanopillar-patterned devices have nearly the same overall power conversion efficiency as those without nanopillars. The patterned devices do show higher external quantum efficiency and calculated absorption in the wavelength range from approximately 640 nm to 720 nm, where the active layer is not very absorbing. The peak… CONTINUE READING
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