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Colloidal PbS and PbSeS Quantum Dot Sensitized Solar Cells Prepared by Electrophoretic Deposition

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Figure  1.  SEM  analysis  of  a  nanostructured  TiO 2   sensitized  with  PbSeS  QDs,  t d =60  min
Figure 2. Effect of the electrophoretic deposition time, using 800 nm PbSeS QDs, in a)  Kubelka-Munk  plot  of  the  diffuse  reflectance  spectra  for  bare  TiO 2   film  and  TiO 2
Figure 3. Effect of the QDs using the same electrophoretic deposition time, 60 min, in  a)  Kubelka-Munk  plot  of  the  diffuse  reflectance  spectra  for  bare  TiO 2   film  and  TiO 2 sensitized just with 5 SILAR cycles of CdS and with 800 nm PbSeS QDs

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