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Composites between photoactive anatase-type TiO₂ and adsorptive carbon

Tsumura, T. / Kojitani, N. / Umemura, H. / Toyoda, M. / Inagaki, M.

Two composites between anatase-type TiO₂ and carbon were prepared, i.e. carbon-coated TiO₂ and TiO₂-mounted exfoliated graphite. Carbon-coated TiO₂ shows effective photocatalytic activity for methylene blue (MB) decomposition. Carbon layer coated on TiO₂ particle was experimentally proved to adsorb methylene blue from its aqueous solution and transfer it to TiO2 surface to decompose photocatalytically. Carbon coating was found to stabilize anatase-type structure at high temperatures and, as a consequence, high crystallinity of anatase could be obtained, which had high activity. TiO₂-mounted exfoliated graphite could work as the absorbent of heavy oil and also as the catalyst for the decomposition of absorbed heavy oil under UV irradiation.

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Composites between photoactive anatase-type TiO₂ and adsorptive carbon

Tsumura, T. / Kojitani, N. / Umemura, H. / Toyoda, M. / Inagaki, M.

Two composites between anatase-type TiO₂ and carbon were prepared, i.e. carbon-coated TiO₂ and TiO₂-mounted exfoliated graphite. Carbon-coated TiO₂ shows effective photocatalytic activity for methylene blue (MB) decomposition. Carbon layer coated on TiO₂ particle was experimentally proved to adsorb methylene blue from its aqueous solution and transfer it to TiO2 surface to decompose photocatalytically. Carbon coating was found to stabilize anatase-type structure at high temperatures and, as a consequence, high crystallinity of anatase could be obtained, which had high activity. TiO₂-mounted exfoliated graphite could work as the absorbent of heavy oil and also as the catalyst for the decomposition of absorbed heavy oil under UV irradiation.

Composites between photoactive anatase-type TiO₂ and adsorptive carbon

Tsumura, T. / Kojitani, N. / Umemura, H. / Toyoda, M. / Inagaki, M.

Two composites between anatase-type TiO₂ and carbon were prepared, i.e. carbon-coated TiO₂ and TiO₂-mounted exfoliated graphite. Carbon-coated TiO₂ shows effective photocatalytic activity for methylene blue (MB) decomposition. Carbon layer coated on TiO₂ particle was experimentally proved to adsorb methylene blue from its aqueous solution and transfer it to TiO2 surface to decompose photocatalytically. Carbon coating was found to stabilize anatase-type structure at high temperatures and, as a consequence, high crystallinity of anatase could be obtained, which had high activity. TiO₂-mounted exfoliated graphite could work as the absorbent of heavy oil and also as the catalyst for the decomposition of absorbed heavy oil under UV irradiation.

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Title:

Composites between photoactive anatase-type TiO₂ and adsorptive carbon

Contributors:

Tsumura, T. (author) / Kojitani, N. (author) / Umemura, H. (author) / Toyoda, M. (author) / Inagaki, M. (author)

Published in:

ISSHAC, International Symposium effects of Surface Hetrogeneity in Adsorption and Catalysis on Solids, 4 ; 429-436

Applied Surface Science ; 196

Publication date:

2002

Size:

8 Seiten, 13 Quellen

ISSN:

DOI:

https://doi.org/10.1016/S0169-4332(02)00081-8

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

Titandioxid , Graphit , Adsorption , Photokatalyse , Oberflächenstruktur , Zersetzung , Ultraviolettstrahlung , Hochtemperaturverhalten , Hochtemperatureffekt

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