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Two step water splitting into H2 and O2 under visible light by ATaO2N (A = Ca, Sr, Ba) and WO3 with IO3-/I- shuttle redox mediator
| Content Provider | Semantic Scholar |
|---|---|
| Author | Higashi, Masanobu Teramura, Kentaro Takata, Tsuyoshi Ohtani, Bunsho Domen, Kazunari |
| Copyright Year | 2008 |
| Abstract | Abstract Two-step water splitting into H 2 and O 2 under visible light irradiation is examined combining Pt–ATaO 2 N (A = Ca, Sr, Ba) as a H 2 evolution photocatalyst and Pt–WO 3 as an O 2 evolution photocatalyst by IO 3 - / I - shuttle redox-mediator. Overall water splitting proceeds when Pt–CaTaO 2 N or Pt–BaTaO 2 N is used for H 2 evolution photocatalyst, whereas photo-induced self-oxidative decomposition is predominant for Pt–SrTaO 2 N. The onset wavelengths of H 2 evolution almost accord with the absorption edges of CaTaO 2 N and BaTaO 2 N. The available wavelength of light for H 2 evolution in the present two-step water splitting system has been extended to 660 nm by using BaTaO 2 N. |
| Starting Page | 120 |
| Ending Page | 123 |
| Page Count | 4 |
| File Format | PDF HTM / HTML |
| DOI | 10.1016/j.cplett.2007.12.021 |
| Alternate Webpage(s) | https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/44874/1/CPL452-1-3_120-123.pdf |
| Alternate Webpage(s) | https://doi.org/10.1016/j.cplett.2007.12.021 |
| Volume Number | 452 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
