Blinking molecules: Determination of Photo-Physical Parameters from the Intensity Correlation Function

Details Blinking molecules: Determination of Photo-Physical Parameters from the Intensity Correlation Function Blinking molecules: Determination of Photo-Physical Parameters from the Intensity Correlation Function

2003-04-28

arxiv.org/abs/quant-ph/0304177v1

J. Chem. Phys. 118, 7741 (2003)

Physics

Quantum Physics

7 pages, 2 figures

Scientific paper

10.1063/1.1563615

An explicit expression is given for the correlation function of blinking systems, i.e. systems exhibiting light and dark periods in their fluorescence. We show through the example of terrylene in a crystalline host that it is possible to determine by means of this explicit expression photo-physical parameters, like Einstein coefficients and the mean light and dark periods by a simple fit. In addition we obtain further parameters like the frequency of the various intensity periods and the probability density of photons scattered off the host crystal. It turns out that this approach is simpler and allows greater accuracy than previous procedures.

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