Electrochemical Detection of Short-lived Species Produced by Dye Sensitization Using TiO_2/Au Mosaic Electrode Array

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Short-lived species of superoxide ion (O<SUB>2</SUB><SUP>−</SUP>) produced by dye sensitization on dye (Rhodamine B: Rh-B)/TiO<SUB>2</SUB> disks under irradiation were studied using a TiO<SUB>2</SUB>/Au mosaic electrode array. The oxidation current at the Au electrodes was found to increase upon irradiation of Rh-B on the TiO<SUB>2</SUB> disks in an air-saturated neutral aqueous solution, indicating the detection of reaction products. The main reaction products were identified to be O<SUB>2</SUB><SUP>−</SUP> by adding superoxide dismutase (SOD) to the solution, which rapidly decomposed O<SUB>2</SUB><SUP>−</SUP> in the solution.

収録刊行物

  • Chemistry letters  

    Chemistry letters 35(11), 1218-1219, 2006-11-05 

    The Chemical Society of Japan

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各種コード

  • NII論文ID(NAID)
    10018404597
  • NII書誌ID(NCID)
    AA00603318
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    03667022
  • データ提供元
    CJP書誌  J-STAGE 
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