Acceleration of Photocatalytic Remote Oxidation by Deposition of Pt Nanoparticles onto TiO2

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概要

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• Pt nanoparticles were photocatalytically deposited onto TiO2 to improve the photocatalytic remote oxidation activity. Among the conditions examined, deposition from 1–3 mM H2PtCl6 solution for 2–10 s gave the highest activity. Further deposition resulted in reduced activities, possibly due to overgrowth of the Pt nanoparticles. The average size of the Pt nanoparticles on the optimized photocatalyst was 2.7 nm. When the most active Pt-modified TiO2 was used, it took 50 s to make an octadecyltriethoxysilane-modified glass surface superhydrophilic by the remote oxidation (light intensity was 200 mW cm−2 and the gap between the photocatalyst and the glass surface was 7.5 µm).

• 公益社団法人 電気化学会の論文

著者

• Tatsuma Tetsu

  Institute Of Industrial Science University Of Tokyo

• Kubo Wakana

  Institute Of Industrial Science The University Of Tokyo

• SAKAI Nobuyuki

  Institute of Industrial Science, The University of Tokyo

• SAKAI Nobuyuki

  Institute of Industrial Science, University of Tokyo

• YANG Fei

  Institute of Industrial Science, University of Tokyo

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