Plasmon mediated super-absorber flexible nanocomposites for metamaterials

Antonio De Luca, Nicoletta Depalo, Elisabetta Fanizza, Marinella Striccoli, M. Lucia Curri, Melissa Infusino, Alireza R. Rashed, Massimo La Deda, Giuseppe Strangi

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


A flexible host has been selected to achieve, for the first time, functional nanocomposites based on CdSe@ZnS core-shell type quantum dots (QDs) and Au nanoparticles (NPs), simultaneously dispersed in a polymer matrix. Coherent interactions between QDs and plasmonic Au NPs embedded in PDMS films have been demonstrated to lead to a relevant enhancement of the absorption cross-section of the QDs, remarkably modifying the optical response of the entire system. Optical and time resolved spectroscopy studies revealed an active gain-plasmon feedback behind the super-absorbing overall effect.

Original languageEnglish
Pages (from-to)6097-6105
Number of pages9
Issue number13
StatePublished - 5 Jul 2013
Externally publishedYes


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