Abstract
Energy transfer from Coumarin102 to Coumarin6 has been studied. It is observed that energy transfer begins at relatively larger donor acceptor separations than the critical transfer distance for efficient dipole-dipole energy transfer by Forster mechanism. For Coumarin 102 and Coumarin 6 dye pair, the energy transfer parameters, viz overlap integral(J(λ)) and Förster distance(R0), equaling 3.4x10−13M−1cm3 and 58.7(Å), respectively have been obtained. Migration through donor-donor interaction is suggested to be the possible mechanism and Huber model has been applied to calculate the transfer rate.
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