(Invited) Investigation into the Photophysics and Diffusion Properties of Water Soluble Quantum Dots Using Fluorescence Correlation Spectroscopy

2019 ◽  
Vol 28 (3) ◽  
pp. 243-255 ◽  
Author(s):  
Robert Peters ◽  
J. B. Goh ◽  
J. Dinglasan ◽  
A. Thakur ◽  
Shyemaa Shehata ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Fluorescence Correlation Spectroscopy ◽  
Correlation Spectroscopy ◽  
Water Soluble ◽  
Fluorescence Correlation ◽  
And Diffusion ◽  
Diffusion Properties

Size determination of quantum dots with fluorescence correlation spectroscopy

2011 ◽  
Author(s):  
D. Hill ◽  
C. Ast ◽  
H.-G. Löhmannsröben ◽  
A. Zulqurnain ◽  
W. Parak ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Fluorescence Correlation Spectroscopy ◽  
Correlation Spectroscopy ◽  
Size Determination ◽  
Fluorescence Correlation

scholarly journals Development of a fluorescence correlation spectroscopy instrument and its application in sizing quantum dot nanoparticles

2015 ◽  
Vol 25 (1) ◽  
pp. 59 ◽  
Author(s):  
Nguyen Thi Thanh Bao ◽  
Dinh Van Trung
Keyword(s):  
Quantum Dots ◽  
Fluorescence Correlation Spectroscopy ◽  
Dynamic Properties ◽  
Correlation Spectroscopy ◽  
Fluorescence Signal ◽  
Fluorescence Correlation ◽  
Statistical Fluctuations ◽  
Measurement Results ◽  
Particle Level ◽  
Microscope Imaging

Fluorescence correlation spectroscopy is a relatively new technique to measure and quantify the statistical fluctuations of the fluorescence signal from the measurement volume. Combining with sensitive detection method and confocal microscopy, the FCS technique has become a powerful tool in studying the dynamic properties of nanoparticles at single particle level. In this paper we present the construction of a highly sensitive FCS instrument and the measurement results from a sample of semiconductor quantum dots. We provide the analysis procedure for determining the hydrodynamic radius of the quantum dots and compare the results with that obtained directly from electron microscope imaging. The good agreement indicates the reliability of the FCS technique and open the way for further applications of this technique in studying nanoparticles.

Sign in / Sign up

Export Citation Format

Share Document