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Published on: December 27, 2018
[Study on the determination of photophysical parameters of the non-protected fluid room temperature phosphorescence
Abstract:
The heavy atom pertuber (HAP) can promote the intersystem crossing and the rates of radiative and nonradiative processes of triplet state, thus shortens the phosphorescence lifetime. The determination of kinetic parameters for luminescence process is very importance to understand luminescence process and the mechanisms of the heavy atom effects. In this paper, 1-chloronaphthalene and 1-bromonaphthalene were selected as the modal compounds, the possibility of determination of photophysical parameters for emission of nonprotected fluid room temperature phosphorescence (NP-RTP) by RTP lifetime method was studied based on the definition on the phosphorescence lifetime and relation with the concentration of HAP. The results obtained by two ways prove that the RTP lifetime method can be used to determine photophysical parameters for RTP emission.
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