Effects of the structure of the Rh3+modifier on photocatalytic performances of an Rh3+/TiO2photocatalyst under irradiation of visible light

Sho Kitano, Masaaki Sadakiyo, Kenichi Kato, Miho Yamauchi, Hiroyuki Asakura, Tsunehiro Tanaka, Keiji Hashimoto, Hiroshi Kominami

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

For a rhodium ion-modified TiO2(Rh3+/TiO2) photocatalyst responding to visible light, control of the structure of the Rh3+modifier and effects of the structures of the Rh3+modifier on photocatalytic activities were examined. A TiO2support was pre-calcined to maintain crystallinity and specific surface area during post-calcination, and the structure of the Rh3+modifier for Rh3+/TiO2was changed by post-calcination without causing changes in the crystallinity and specific surface area of the TiO2support. In mineralization of acetone under irradiation of visible light, the photocatalytic activities of the post-calcined Rh3+/TiO2showed a volcano-like tendency as a function of post-calcination temperature. The results of this study showed that an atomically isolated structure of the Rh3+modifier was preferable for high activities and that aggregation of the Rh species led to a decrease in the activities.

Original languageEnglish
Pages (from-to)340-346
Number of pages7
JournalApplied Catalysis B: Environmental
Volume205
DOIs
Publication statusPublished - Jan 1 2017

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crystallinity
Calcination
irradiation
surface area
Irradiation
rhodium
Specific surface area
acetone
Rhodium
Volcanoes
volcano
mineralization
Photocatalysts
Acetone
ion
Agglomeration
Ions
temperature
effect
Temperature

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Environmental Science(all)
  • Process Chemistry and Technology

Cite this

Effects of the structure of the Rh3+modifier on photocatalytic performances of an Rh3+/TiO2photocatalyst under irradiation of visible light. / Kitano, Sho; Sadakiyo, Masaaki; Kato, Kenichi; Yamauchi, Miho; Asakura, Hiroyuki; Tanaka, Tsunehiro; Hashimoto, Keiji; Kominami, Hiroshi.

In: Applied Catalysis B: Environmental, Vol. 205, 01.01.2017, p. 340-346.

Research output: Contribution to journalArticle

Kitano, Sho ; Sadakiyo, Masaaki ; Kato, Kenichi ; Yamauchi, Miho ; Asakura, Hiroyuki ; Tanaka, Tsunehiro ; Hashimoto, Keiji ; Kominami, Hiroshi. / Effects of the structure of the Rh3+modifier on photocatalytic performances of an Rh3+/TiO2photocatalyst under irradiation of visible light. In: Applied Catalysis B: Environmental. 2017 ; Vol. 205. pp. 340-346.
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AU - Yamauchi, Miho

AU - Asakura, Hiroyuki

AU - Tanaka, Tsunehiro

AU - Hashimoto, Keiji

AU - Kominami, Hiroshi

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