Single-molecule Detection of Reactive Oxygen Species: Application to Photocatalytic Reactions |
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Authors: | Takashi Tachikawa Tetsuro Majima |
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Institution: | (1) The Institute of Scientific and Industrial Research (SANKEN), Osaka University, Mihogaoka 8-1, Ibaraki, Osaka 567-0047, Japan |
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Abstract: | In this review, we have focused on the oxidation reactions of single dye molecules by reactive oxygen species (ROS). The methodologies
for the single-molecule detection of ROS, such as hydroxyl radical (HO•), singlet oxygen (O2(a1Δg)), and hydrogen peroxide (H2O2), have been introduced together with examples. In particular, a successful application using the single-molecule fluorescence
technique for the investigation of the TiO2 photocatalytic oxidation reactions is demonstrated in detail. |
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Keywords: | Single-molecule fluorescence spectroscopy Reactive oxygen species TiO2 photocatalyst Photooxidation |
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