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Cobalt thiolate complexes catalyst in noble-metal-free system for photocatalytic hydrogen production

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Abstract

Thiolate complexes Co(bpy)(pyS)2 (M) were synthesized, the effect of reaction conditions (such as pH values, solvents, electron donor, photosensitizers, catalyst, and concentrations) on catalytic performance of catalyst M was studied and the optimum reaction conditions were selected. The results of catalytic performance imply that complexes M showed good catalytic activity when concentration of catalyst M was 2.5 μM, concentration of fluorescein was 2.0 mM, pH value was 11.6, electron donor was triethylamine (5%), and the solvent was EtOH/H2O (1: 1 V/V). The catalysis system presented the best performance and hydrogen production reached 369.2 μmol h–1 after reacting for 15 h; the life of catalyst M was 41 h investigated under the optimum conditions.

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Authors and Affiliations

  1. Guangdong Pharmaceutical University, 280 Wai Huan Dong Road, Guangzhou, 510006, P. R. China

    Xiulan Cai, Guangyan Li, Yuan Yang, Chuang Zhang & Xiaoxin Yang

  2. Guangdong Cosmetics Engineering & Technology Research Center, 280 Wai Huan Dong Road, Guangzhou, 510006, P. R. China

    Xiulan Cai

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  1. Xiulan Cai
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  2. Guangyan Li
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  3. Yuan Yang
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  4. Chuang Zhang
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  5. Xiaoxin Yang
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Correspondence to Xiulan Cai.

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Cai, X., Li, G., Yang, Y. et al. Cobalt thiolate complexes catalyst in noble-metal-free system for photocatalytic hydrogen production. Russ J Appl Chem 89, 1506–1511 (2016). https://doi.org/10.1134/S1070427216090196

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  • DOI: https://doi.org/10.1134/S1070427216090196

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