Ortho-Dihydroxyl-9,10-anthraquinone dyes as visible-light sensitizers that exhibit a high turnover number for hydrogen evolution

Li, Qin, Che, Yanke, Ji, Hongwei, Chen, Chuncheng, Zhu, Huai Yong, Ma, Wanhong, & Zhao, Jincai (2014) Ortho-Dihydroxyl-9,10-anthraquinone dyes as visible-light sensitizers that exhibit a high turnover number for hydrogen evolution. Physical Chemistry Chemical Physics, 16(14), pp. 6550-6554.

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Abstract

Pt/TiO2 sensitized by the cheap and organic ortho-dihydroxyl-9,10-anthraquinone dyes, such as Alizarin and Alizarin Red, achieved a TON of approximately 10 000 (TOF > 250 h−1 for the first ten hours) during >80 hours of visible light irradiation (>420 nm) for photocatalytic hydrogen evolution when triethanolamine was used as the sacrificial donor. The stability and activity enhancements can be attributed to the two highly serviceable redox reactions involving the 9,10-dicarbonyl and ortho-dihydroxyl groups of the anthracene ring, respectively

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ID Code: 88542
Item Type: Journal Article
Refereed: Yes
DOI: 10.1039/C4CP00626G
ISSN: 1463-9076
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: © The Owner Societies 2014
Deposited On: 10 Nov 2015 03:00
Last Modified: 10 Nov 2015 03:00

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