The photocatalytic autoxidation of sulfur oxoanions by water-soluble porphyrin complexes

被引：14
|
作者：
Chen, SM [1 ]
机构：
[1] Natl Taipei Univ Technol, Dept Chem Engn, Taipei 10643, Taiwan
来源：
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 1999年 / 138卷 / 01期
关键词：
photocatalytic autoxidation; sulfur oxoanions; porphyrin complexes;
D O I：
10.1016/S1381-1169(98)00148-4
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The photocatalytic autoxidation of S4O62- and S2O32- by water-soluble porphyrin complexes Fe(2-TMPyP), Mn(4-TMPyP), and Co(2-TMPyP) were compared under illumination with a 419 nm visible light in oxygen-saturated aqueous solutions at room temperature. The process involves S2O32- as an intermediate product and SO42- is the final oxidation product. The trend in photocatalytic activity of the porphyrin complexes for S4O62- oxidation is Co(2-TMPyP) > Mn(4TMPyP) > Fe(2-TMPyP). For S2O32- oxidation, the trend is Co(2-TMPyP) > Fe(2-TMPyP) > Mn(4-Th4PyP). (C) 1999 Elsevier Science B.V. All rights reserved.
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页码：1 / 13
页数：13
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