Thin-Filmed Riboflavin Devices and Their Applications in the Photodegradation of Chlorinated Organics : Optical Properties of Condensed Matter

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概要

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• Although riboflavin could not proceed ground-state molecular interactions with 4-chlorophenol over a pH ranging from 4 to 10, it could photooxidize 4-chlorophenol as being brought to its excited state. According to the emission spectra, the Stern-Volmer quenching rate constant was estnnated to be about 10^6 s eq^<-1> (τ^0 〓 5 ns) In addition, riboflavin could absorb on indium-tin-oxide (ITO) conductive glass squares. Benefitted with this phenomenon, riboflavin-modified electrodes were prepared. These electrodes showed promise for the degradation of 4-chlorophenol and sodium 2,3-dichloropropionate in the presence of light. According to the flow-injection analysis performed with a thin-layered photochemical cell, the detection limits for 4-chlorophenol at pH 5 were estimated to be about 10^<-5> M.

• 社団法人応用物理学会の論文
• 2001-02-15

著者

• Wang Chong

  Department Of Chemistry National Taiwan Normal University

• Fu Yun

  Department Of Chemistry National Taiwan Normal University

関連論文

• Hydrogen Sensing with NaY Zeolite-Entrapped Copper Dicyanoanthraquinone Diimines
• Thin-Filmed Riboflavin Devices and Their Applications in the Photodegradation of Chlorinated Organics : Optical Properties of Condensed Matter
• Characterization and Oxygen-Sensing at Polycrystalline Copper-Dicyanoanthraquinone Diimines

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