Magnetic field effects on exciplex luminescence in water-tetrahydrofuran and water-dioxane mixtures

Bera, Pradyot Kumar ; Nath, Debnarayan ; Chowdhury, Mihir (1997) Magnetic field effects on exciplex luminescence in water-tetrahydrofuran and water-dioxane mixtures Journal of Physical Chemistry A, 101 (4). pp. 384-391. ISSN 1089-5639

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Official URL: http://pubs.acs.org/doi/abs/10.1021/jp9613450?prev...

Related URL: http://dx.doi.org/10.1021/jp9613450

Abstract

Magnetic-field-modulated exciplex luminescence in different solvent media has been studied to verify the solvent microheterogeneity effect. In particular, mixtures of a low-polarity component, such as dioxane and tetrahydrofuran, and a highly polar component, such as water, have been used as media where the microheterogeneity has been further modulated by addition of salt and variation of temperature. The results are analysed in light of several proposed models for the solvent effect on MFE's, but no model is found to be completely satisfactory. It has been suggested that multiple intermediate states, instead of a single intermediate state, are formed during the electron-transfer process.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society.
ID Code:8509
Deposited On:27 Oct 2010 06:32
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