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© Research
Publication : Chemphyschem : a European journal of chemical physics and physical chemistry

Non-blinking semiconductor colloidal quantum dots for biology, optoelectronics and quantum optics

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Chemphyschem : a European journal of chemical physics and physical chemistry - 14 Apr 2009

Spinicelli P, Mahler B, Buil S, Quélin X, Dubertret B, Hermier JP

Link to Pubmed [PMID] – 19294684

Chemphyschem 2009 Apr;10(6):879-82

Twinkle, twinkle: The blinking of semiconductor colloidal nanocrystals is the main inconvenience of these bright nanoemitters. There are various approaches for obtaining non-blinking nanocrystals, one of which is to grow a thick coat of CdS on the CdSe core (see picture). Applications of this method in the fields of optoelectronic devices, biologic labelling and quantum information processing are discussed.The blinking of semiconductor colloidal nanocrystals is the main inconvenience of these bright nanoemitters. For some years, research on this phenomenon has demonstrated the possibility to progress beyond this problem by suppressing this fluorescence intermittency in various ways. After a brief overview on the microscopic mechanism of blinking, we review the various approaches used to obtain non-blinking nanocrystals and discuss the commitment of this crucial improvement to applications in the fields of optoelectronic devices, biologic labelling and quantum information processing.

http://www.ncbi.nlm.nih.gov/pubmed/19294684