Optical properties of quantum dots layers: Application to photovoltaic solar cells

Hung Ju Lin, Sylvain Vedraine, Judikael Le-Rouzo, François Flory, Hung Ju Lin, Sheng Hui Chen, Cheng Chung Lee, François Flory

Research output: Contribution to journalArticlepeer-review

26 Scopus citations


Hybrid optical layers of PMMA containing different concentrations of CdSe/ZnS core/shell semiconductor quantum dots were fabricated. Their absorption and luminescence showing quantum confinement effects are given. A frequency down-conversion is then obtained. The external quantum efficiency measurement performed on silicon solar cell with and without the down-conversion layers shows that the luminescence induces new charge generation. In addition, Finite Difference Time Domain (FDTD) simulation of organic solar cell shows that, added to the frequency conversion effect, one can expect to have an increase in light confinement when quantum dots are embedded in the active layer.

Original languageEnglish
Pages (from-to)652-656
Number of pages5
JournalSolar Energy Materials and Solar Cells
StatePublished - 1 Oct 2013


  • FDTD
  • Frequency down-conversion
  • PMMA
  • Photoluminescence
  • Semiconductor quantum dots


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