Evidence for a diffusion-controlled mechanism for fluorescence blinking of colloidal quantum dots

M Pelton, G Smith, NF Scherer… - Proceedings of the …, 2007 - National Acad Sciences
Fluorescence blinking in nanocrystal quantum dots is known to exhibit power-law dynamics,
and several different mechanisms have been proposed to explain this behavior. We have …

Robustness of quantum dot power-law blinking

P Bharadwaj, L Novotny - Nano letters, 2011 - ACS Publications
Photon emission from quantum dots (QDs) and other quantum emitters is characterized by
abrupt jumps between an “on” and an “off” state. In contrast to ions and atoms however, the …

Characterizing quantum-dot blinking using noise power spectra

M Pelton, DG Grier, P Guyot-Sionnest - Applied physics letters, 2004 - pubs.aip.org
Fluctuations in the fluorescence from macroscopic ensembles of colloidal semiconductor
quantum dots have the spectral form of 1/f noise. The measured power spectral density …

Fluorescence intermittency in single InP quantum dots

M Kuno, DP Fromm, A Gallagher, DJ Nesbitt… - Nano …, 2001 - ACS Publications
Fluorescence “blinking” kinetics of isolated colloidal InP quantum dots (QDs) are
investigated via confocal single molecule microscopy. Analysis of fluorescence trajectories …

Modified power law behavior in quantum dot blinking: a novel role for biexcitons and auger ionization

JJ Peterson, DJ Nesbitt - Nano letters, 2009 - ACS Publications
Single photon detection methods are used to acquire fluorescence trajectories from single
CdSe/ZnS colloidal quantum dots (QDs) and analyze their blinking behavior. Although the …

A charge for blinking

TD Krauss, JJ Peterson - Nature materials, 2012 - nature.com
No accepted description of luminescent blinking in quantum dots is currently available. Now,
experiments probing the connection between charge and fluorescence intensity fluctuations …

Mechanisms of fluorescence blinking in semiconductor nanocrystal quantum dots

J Tang, RA Marcus - The Journal of chemical physics, 2005 - pubs.aip.org
The light-induced spectral diffusion and fluorescence intermittency (blinking) of
semiconductor nanocrystal quantum dots are investigated theoretically using a diffusion …

A common mechanism underlies the dark fraction formation and fluorescence blinking of quantum dots

N Durisic, PW Wiseman, P Grütter, CD Heyes - Acs Nano, 2009 - ACS Publications
CdSe quantum dots (QDs) are known to exhibit both power-law blinking dynamics and a
dark fraction. A complete description of the mechanistic origins of these properties is still …

Effect of the shell on the blinking statistics of core-shell quantum dots: A single-particle fluorescence study

CD Heyes, AY Kobitski, VV Breus, GU Nienhaus - Physical Review B …, 2007 - APS
Fluorescence blinking of single quantum dots (QDs) under constant illumination has
attracted a great deal of attention from both experimentalists and theoreticians. To explain …

Memory in quantum-dot photoluminescence blinking

FD Stefani, X Zhong, W Knoll, M Han… - New Journal of …, 2005 - iopscience.iop.org
We demonstrate that subsequent on-and off-times of the luminescence blinking of
semiconductor quantum dots (QDs) are correlated, indicating that the process behind is not …