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 - 2017

All Science Journal Classification (ASJC) codes

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

Fingerprint Dive into the research topics of 'Effects of the structure of the Rh<sup>3+</sup>modifier on photocatalytic performances of an Rh<sup>3+</sup>/TiO<sub>2</sub>photocatalyst under irradiation of visible light'. Together they form a unique fingerprint.

Cite this