カーボン被覆酸化チタンの調製と光触媒機能

書誌事項

タイトル別名
  • Preparation of Carbon-Coated Titanium Oxides and Their Photocatalytic Activity
  • カーボン ヒフク サンカ チタン ノ チョウセイ ト ヒカリ ショクバイ キノウ

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抄録

Carbon coating of titanium oxide (TiO2) powders was successfully performed by heating a mixture of anatase-type TiO2 with poly (vinyl alcohol) at different temperatures above 700°C in an inert atmosphere. Photocatalytic activity was examined by measuring color fading of methylene blue (MB) aqueous solution under UV irradiation. The carbon coating was found to stabilize the anatase structure up to 800°C. Carbon-coated anatase powders showed comparable photoactivity for MB decomposition to the original anatase powder without carbon coating, even better in some cases. Carbon-coated anatase powders were found to have a high adsorptivity mainly due to carbon layer.

収録刊行物

  • 水環境学会誌

    水環境学会誌 26 (4), 209-214, 2003

    公益社団法人 日本水環境学会

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