Probing and controlling fluorescence blinking of single semiconductor nanoparticles

Nano Reviews & Experiments

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Field Value
 
Title Probing and controlling fluorescence blinking of single semiconductor nanoparticles
 
Creator Ko, Hsien-Chen
Yuan, Chi-Tsu
Tang, Jau; RCAS, Academia Sinica, Taipei
 
Subject single molecule, confocal microscopy, quantum dot, nanoscience, fluorescence intermittency, blinking, electron transfer, Auger relaxation
 
Description In this review we present an overview of the experimental and theoretical development on fluorescence intermittency (blinking) and the roles of electron transfer in semiconductor crystalline nanoparticles. Blinking is a very interesting phenomenon commonly observed in single molecule/particle experiments. Under continuous laser illumination, the fluorescence time trace of these single nanoparticles exhibit random light and dark periods. Since its first observation in the mid-1990s, this intriguing phenomenon has attracted wide attention among researchers from many disciplines. We will first present the historical background of the discovery and the observation of unusual inverse power-law dependence for the waiting time distributions of light and dark periods. Then, we will describe our theoretical modeling efforts to elucidate the causes for the power-law behavior, to probe the roles of electron transfer in blinking, and eventually to control blinking and to achieve complete suppression of the blinking, which is an annoying feature in many applications of quantum dots as light sources and fluorescence labels for biomedical imaging. Keywords: single molecule; confocal microscopy; quantum dot; nanoscience; fluorescence intermittency; blinking; electron transfer; Auger relaxation (Published: 11 February 2011) Citation: Nano Reviews 2011, 2: 5895 - DOI: 10.3402/nano.v2i0.5895
 
Publisher Co-Action Publishing
 
Contributor
 
Date 2011-02-11
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion

 
Format application/pdf
text/html
application/epub+zip
text/xml
 
Identifier http://www.nanoreviewsexperiments.net/index.php/nano/article/view/5895
10.3402/nr.v2i0.5895
 
Source Nano Reviews & Experiments; Vol 2 (2011) incl Supplements
2002-2727
 
Language eng
 
Relation http://www.nanoreviewsexperiments.net/index.php/nano/article/view/5895/7042
http://www.nanoreviewsexperiments.net/index.php/nano/article/view/5895/7044
http://www.nanoreviewsexperiments.net/index.php/nano/article/view/5895/7045
http://www.nanoreviewsexperiments.net/index.php/nano/article/view/5895/7043
 

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