Silver nanoparticles-sensitized cobalt complex for highly-efficient photocatalytic activity

[Display omitted] •A novel cobalt molecular catalyst (Co-2TPABTz) sensitized by Ag NPs were synthesized successfully.•Those composites are confirmed by XRD, TEM, EDS, ICP-AES, Raman and XPS analysis.•Composite 3 possessed excellent photocatalytic activity (20.65mmolh−1g−1) under visible light illumi...

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Bibliographic Details
Published in:Applied catalysis. B, Environmental Environmental, 2016-12, Vol.199, p.342-349
Main Authors: Huo, Jingpei, Zeng, Heping
Format: Article
Language:English
Subjects:
Metal complex
Photocatalytic hydrogen production
Silver nanoparticles
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Summary:[Display omitted] •A novel cobalt molecular catalyst (Co-2TPABTz) sensitized by Ag NPs were synthesized successfully.•Those composites are confirmed by XRD, TEM, EDS, ICP-AES, Raman and XPS analysis.•Composite 3 possessed excellent photocatalytic activity (20.65mmolh−1g−1) under visible light illumination.•It also maintained outstanding long-term stability after eight-cycle tests (32h) as well.•A mechanism was put forth to explain the role of Ag NPs among the composites. Triphenylamine functionalized bithiazole-cobalt complex (Co-2TPABTz) sensitized by Ag nanoparticles (NPs) exhibit highly efficient photocatalytic hydrogen generation. The resulting composite 3 showed excellent photocatalytic activity (20.65mmolh−1g−1) under visible light illumination, and maintained outstanding long-term stability after eight-cycle tests (32h) as well.
ISSN:0926-3373
1873-3883
DOI:10.1016/j.apcatb.2016.06.047