Correlation between surface photovoltage and blend morphology in polyfluorene-based photodiodes.

@article{Chiesa2005CorrelationBS,
  title={Correlation between surface photovoltage and blend morphology in polyfluorene-based photodiodes.},
  author={Marco Chiesa and Lukas Buergi and Ji-seon Kim and Rafi Shikler and Richard H Friend and Henning Sirringhaus},
  journal={Nano letters},
  year={2005},
  volume={5 4},
  pages={
          559-63
        }
}
We present a microscopic study of photoinduced charge generation in polyfluorene-based photovoltaic structures. The sub-100 nm lateral resolution of scanning Kelvin probe microscopy allows characterizing the three-dimensional structure of thin films of blends of poly-(9,9'-dioctylfluorene-co-benzothiadiazole) (F8BT) and poly-(9,9'-dioctylfluorene-co-bis-N,N'-(4-butylphenyl)-bis-N,N'-phenyl-1,4-phenylenediamine) (PFB). From the strong correlation between surface photovoltage and blend morphology… CONTINUE READING
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