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- E-ISSN 2288-8985
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A Study on the Photocatalytic Dimerization of Rose Bengal and Thiourea
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1999, v.12 no.3, pp.209-217
Yoon,
K.
(1999). A Study on the Photocatalytic Dimerization of Rose Bengal and Thiourea. Analytical Science and Technology, 12(3), 209-217.
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Abstract
To elucidate the decay of the rose bengal (RB) sensitized and thiourea (TU) supersensitized photocurrent, spectroscopic analyses of the dye solution were performed. Absorption and fluorescence spectroscopic analyses of sensitizing solution before and after irradiation enabled to conform the new mechanism of the photocatalytic dimerization between RB and TU. And it was also found that the geometrical arrangement of the transition dipole moment is oblique and the angle between the dipoles is <TEX>$124^{\circ}$</TEX> in the dimer of dye molecules.
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- photocatalytic dimerization, rose bengal, thiourea
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