Engineering of radiative and non-radiative channels in colloidal nanocrystals: Towards room-temperature efficient colloidal quantum sources

Author

Leménager, Godefroy ; Pisanello, Ferruccio ; Martiradonna, Luigi ; Carbone, Luigi ; Desfonds, Pascal ; Hermier, Jean-Pierre ; Giacobino, Elisabeth ; Cingolani, Roberto ; De Vittorio, Massimo ; Bramati, Alberto

Author_Institution

Lab. Kastler Brossel, Univ. Pierre et Marie Curie, Paris, France

fYear

2012

Firstpage

1

Lastpage

2

Abstract

Blinking effect and multi-excitonic emission can be independently addressed by tuning both core and shell dimension. By confocal techniques measurement, we show dot-in-rods as blinking-free sources of single photon on demand at room temperature.

Keywords

Auger effect; II-VI semiconductors; cadmium compounds; colloidal crystals; excitons; nanostructured materials; photoluminescence; semiconductor quantum dots; wide band gap semiconductors; Auger method; CdSe-CdS; blinking effect; blinking-free single photon sources; colloidal dot-in-rod structure; colloidal nanocrystals; confocal method; multiexcitonic emission; nonradiative channels; radiative channels; room-temperature efficient colloidal quantum sources; temperature 293 K to 298 K; Correlation; Nanocrystals; Radiative recombination; Temperature measurement;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics (CLEO), 2012 Conference on

Conference_Location

San Jose, CA

Print_ISBN

978-1-4673-1839-6

Type

conf

Filename

6326739