A new technique for polarization measurements of luminescence with a rotating analyzer: Fluorescence polarization of coronene and 1,12-benzoperylene (cas 11057-45-7)

Add time:07/18/2019    Source:sciencedirect.com

A new experimental technique with a rotating analyzer is applied to polarization measurements of luminescence spectra. This method enables us to record the difference of the vertical and the horizontal polarization components (Iv-Ih) with a high sensitivity. The sum (Iv+Ih) and the individual components (Iv and Ih) can also be recorded simultaneously. The method is used to measure the polarized fluorescence spectra of coronene and 1,12-benzoperylene. In either case, the 0–0 band as well as the bands of totally symmetric vibrations are clearly distinguished from the vibronic bands induced via vibronic coupling due to some non-totally symmetric vibrations.

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