Photoluminescence properties of porous silicon nanocomposites

  title={Photoluminescence properties of porous silicon nanocomposites},
  author={Habib Elhouichet and Morad Oueslati},
Abstract Different porous silicon (PS) layers were impregnated with rhodamine 6G (Rh) solution in order to form Rh/PS nanocomposites. The effect of the porous matrix (fresh, oxidised, type p + ) on the propriety of photoluminescence (PL) has been investigated. It was found that the luminescence of this nanocomposite is provided by an energy transfer from PS nanocristallites to rhodamine and from interaction of dye molecules with the chemical species on the Si surface. An antistokes PL has been… CONTINUE READING


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