Energy transfer between semiconductor nanoparticles (ZnS or CdS) and Eu3+ ions in sol–gel derived ZrO2 thin films

Semiconductor nanoparticles (CdS or ZnS) and Eu3+ co-doped zirconia thin films were prepared using the sol–gel route by an in situ method. We demonstrated that the energy exchange is more efficient between ZnS nanocrystals and Eu3+ ions than between CdS and Eu3+. The Eu3+ luminescence increased with...

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