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Synthesis of Sm2MoO6/Ni(OH)2 by Simple Impregnation Method: Photocatalyst for Non-precious Metal and Efficient Hydrogen Production

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Abstract

Sm2MoO6/Ni(OH)2 was successfully immersed in water first, and the sensitizer is Eosin Y and the sacrificial agent is triethanolamine agent for high-efficiency photocatalytic production of H2. When Sm2MoO6 was loaded onto the surface of Ni(OH)2, the photocatalytic activity (2407.48 μmol g−1 h−1) was 2.6 times that of Ni(OH)2 (925.36 μmol g−1 h−1), which was Sm2MoO6 (169.36 μmol g−1 h−1) is 14.2 times. From a series of characterizations, Sm2MoO6 is an effective cocatalyst to improve the separation of photo-generated charges and the efficiency of electron transfer. Large specific surface areas are a primary requirement for high efficiency catalysts, and the catalyst is sufficiently into contact with the sensitizer and the sacrificial agent to soar the photocatalytic activity.

Graphic Abstract

The first condition for an excellent catalyst is that it has a large specific surface area and can provide more active sites. In the dye sensitization system, the photocatalytic activity of Sm2MoO6/Ni(OH)2 is 2.6 times that of Ni(OH)2 and 14.2 times that of Sm2MoO6. Sm2MoO6 is an effective co-catalyst.

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Acknowledgements

This work was supported by the Natural Science Foundation of Ningxia Province (NZ17262).

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Authors and Affiliations

  1. School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, 750021, People’s Republic of China

    Zeying Liu, Jing Xu, Qiuting Liao, Yanru Li, Lingjiao Li & Min Mao

  2. Key Laboratory of Chemical Engineering and Technology (North Minzu University), State Ethnic Affairs Commission, Yinchuan, 750021, People’s Republic of China

    Jing Xu

  3. Ningxia Key Laboratory of Solar Chemical Conversion Technology, North Minzu University, Yinchuan, 750021, People’s Republic of China

    Jing Xu

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  1. Zeying Liu
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  2. Jing Xu
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  3. Qiuting Liao
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  4. Yanru Li
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  5. Lingjiao Li
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  6. Min Mao
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Correspondence to Jing Xu.

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Liu, Z., Xu, J., Liao, Q. et al. Synthesis of Sm2MoO6/Ni(OH)2 by Simple Impregnation Method: Photocatalyst for Non-precious Metal and Efficient Hydrogen Production. Catal Lett 150, 39–48 (2020). https://doi.org/10.1007/s10562-019-02947-9

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  • DOI: https://doi.org/10.1007/s10562-019-02947-9

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