Fluorescence decay rate engineering using aluminum nanohole arrays

2020 ◽  
Author(s):  
Ji-Young Lee ◽  
Yunshan Wang
Keyword(s):  
Decay Rate ◽  
Fluorescence Decay ◽  
Nanohole Arrays

Single-Molecule Identification in Flowing Sample Streams by Fluorescence Burst Size and Intraburst Fluorescence Decay Rate

1998 ◽  
Vol 70 (7) ◽  
pp. 1444-1451 ◽  
Author(s):  
Alan Van Orden ◽  
Nicholas P. Machara ◽  
Peter M. Goodwin ◽  
Richard A. Keller
Keyword(s):  
Decay Rate ◽  
Single Molecule ◽  
Burst Size ◽  
Fluorescence Decay ◽  
Flowing Sample

scholarly journals A Test for Bottlenecks in the Vibrational Relaxation of CH3Cl and CH3Br by Ar

1988 ◽  
Vol 9 (1-3) ◽  
pp. 47-62 ◽  
Author(s):  
Kenneth M. Beck ◽  
Robert J. Gordon
Keyword(s):  
Decay Rate ◽  
Relaxation Rate ◽  
Vibrational Relaxation ◽  
Energy Levels ◽  
Fluorescence Decay ◽  
Rotational Relaxation ◽  
Translational Energy ◽  
Time Resolved ◽  
Level Model ◽  
Relaxing Gas

The method of time-resolved optoacoustics was used to measure the rate of vibrational relaxation of CH3Cl(ν6) and CH3Br(ν6) by Ar. The pressure pulses generated by the relaxing gas revealed that the rate of production of translational energy from ν6 = 1 is approximately twice the decay rate of IR fluorescence from ν3 = 1. No evidence was found for a previously proposed bottleneck in rotational relaxation, which would have resulted in an acoustic relaxation rate slower than the fluorescence decay. The faster rates observed here can be explained qualitatively by a rapid energy release from energy levels above ν3 which precedes the IR fluorescence. A simple three-level model, however, is unable to explain our observations quantitatively.

scholarly journals Magnesium as a Novel UV Plasmonic Material for Fluorescence Decay Rate Engineering in Free Solution

2017 ◽  
Vol 121 (21) ◽  
pp. 11650-11657 ◽  
Author(s):  
Yunshan Wang ◽  
Eric M. Peterson ◽  
Joel M. Harris ◽  
Kanagasundar Appusamy ◽  
Sivaraman Guruswamy ◽  
...  
Keyword(s):  
Decay Rate ◽  
Fluorescence Decay ◽  
Free Solution ◽  
Plasmonic Material

Multiphonon relaxations in crystalline uranyl salts

1979 ◽  
Vol 57 (11) ◽  
pp. 2045-2049 ◽  
Author(s):  
W. K. Chan ◽  
K. H. Chun ◽  
T. W. Lai ◽  
A. F. Leung
Keyword(s):  
Temperature Dependence ◽  
Decay Rate ◽  
Quantum Efficiency ◽  
Low Temperatures ◽  
Room Temperature ◽  
Fluorescence Decay ◽  
Multiphonon Relaxation ◽  
Electronic Level ◽  
Radiative Processes ◽  
Fluorescence Light

The fluorescence decay rate observed is associated mainly with the intramolecular relaxation of the excited uranyl ion despite the presence of impurities, defects, and self-absorption of fluorescence light in the crystal. Multiphonon transitions dominate the relaxation at temperatures higher than room temperature. The parameters of the multiphonon relaxation are extracted from the temperature dependence of fluorescence decay rate. The parameters show that at low temperatures the quantum efficiency of the fluorescent level is greater than 0.80 and that of the electronic level above the fluorescent level is less than 0.13. The absence of fluorescence from the electronic level above the fluorescent level is due to fast depopulation by non-radiative processes and low quantum efficiency.

Fluorescence decay rate of selected compounds from Eysenhardtia polystachya extracts and their viability as biosensors

2019 ◽  
Vol 104 ◽  
pp. 109978 ◽  
Author(s):  
Ángel R. Hernandez-Martinez ◽  
Gustavo A. Molina ◽  
Angelina Rodríguez-Torres ◽  
Brenda Ledesma-Mendoza ◽  
Alicia Del Real ◽  
...  
Keyword(s):  
Decay Rate ◽  
Fluorescence Decay
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