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A Study on the Photocatalytic Dimerization of Rose Bengal and Allylthiourea
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1998, v.11 no.1, pp.20-28
Yoon,
K., Hahm,
E., &
Kim,
K.
(1998). A Study on the Photocatalytic Dimerization of Rose Bengal and Allylthiourea. Analytical Science and Technology, 11(1), 20-28.
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Abstract
Fluorimetric and absorption spectroscopic studies were performed to elucidate the photocurrent decay with time in the conversion process of solar energy into electrical energy using a photoelectrochemical cell containing rose bengal as a sensitizer, and allylthiourea as a supersensitizer. Spectra of dye solution before and after irradiation revealed a new photocatalytic dimerization reaction between sensitizer and supersensitizer. It was also found that the geometrical arrangement of the transition dipoles is oblique in the dimer of dye molecules.
- keywords
- Dimerization, Rose Bengal, Allylthiourea
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