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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Photocatalytic Reaction of Sensitizer, Rose Bengal and Supersensitizer, Allylthiourea

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1998, v.11 no.1, pp.13-19
Yoon, Kil-Joong
Lee, Beom-Gyu
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Abstract

In the dye sensitization for the solar energy conversion with a photoelectrochemical cell containing allylthiourea, the time profile of the sensitized photocurrent showed a rise and fall with the irradiation time. The dye solution before and after irradiation was analyzed by means of spectroscopic methods. A new precipitation reaction between sensitizer and supersensitizer and photobleaching of the dye appeared to be involved in the decreased photocurrent.

keywords
Rose Bengal, Allylthiourea, Dye Sensitization


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Analytical Science and Technology