Parui, Partha Pratim ; Manoj, N. ; Banerjee, Sudip ; Chowdhury, Mihir (2009) Specific spin-correlation dependent magnetic field effects on radical pairs photo-generated by electron transfer from biphenyl to phenyl-pyrilium salts in micelle Chemical Physics Letters, 479 (1-3). pp. 70-75. ISSN 0009-2614
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00092...
Related URL: http://dx.doi.org/10.1016/j.cplett.2009.08.012
Abstract
We have studied the magnetic field effects (MFEs) on photo-generated various geminate phenyl-pyrilium/biphenyl radical pair (PP/BP+) of variable singlet/triplet spin-correlations within SDS micelle. When RPs are produced largely with singlet spin-correlation, the MFEs have been observed in two different time domains. It consists of both the initial (t = 0) decrease of radical yield with field, considering nanosecond phenomenon, and comparatively slow microsecond MFE. However, the RPs of relatively lower singlet spin-correlation shows only slow us behavior, which may indicate that only singlet spin-state is responsible for exhibiting initial stage MFEs. A kinetic scheme, based on Pedersen's 'super-cage model' for two-stage RP reaction in micelle, has been proposed for analysis.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 8315 |
| Deposited On: | 26 Oct 2010 11:47 |
| Last Modified: | 03 Feb 2011 08:22 |
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