Journal
CHEMISTRY LETTERS
Volume 46, Issue 4, Pages 583-586Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.170077
Keywords
Photocatalyst; Oxychloride; Z-scheme water splitting
Categories
Funding
- CREST
- JSPS KAKENHI [JP16H06439, JP16H06441]
- Grants-in-Aid for Scientific Research [16H06439] Funding Source: KAKEN
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Following the recent discovery of a Sillen-Aurivillius perovskite Bi4NbO8Cl with a stable photocatalytic activity for water oxidation under visible light, we studied a structurally related intergrowth compound Bi6NbWO14Cl. It also works as a stable O-2-evolving photocatalyst in a Z-scheme water splitting system, but has a slightly wider band gap than that in Bi4NbO8Cl. These results suggest the importance of the Sillen-Aurivillius framework, offering possible band gap tuning by varying structural motifs and their sequence in the Sillen-Aurivillius-related systems.
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