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A new octamolybdate-based coordination polymer for light-driven hydrogen evolution
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DOI：10.1016/j.molstruc.2022.132995.png)
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摘要
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A new octamolybdate-based metal-organic compound [Cu (II)(2)(bibe)(pzta)(2)][H2Mo8O26] (Cu-2(II)-Mo-8, bibe = 4,4'-bis(imidazolyl)biphenyl, pzta = 3-(pyrid-4-yl) pyrazole) was obtained by hydrothermal reaction technology and characterized by sufficient methods including IR, PXRD, luminescence spectroscopy, XPS and single crystal X-ray diffraction measurements. The compound possesses a two dimensional (2D) structural motif. Such structure feature is beneficial to electron transportation between Cu-pzta complexes and octamolybdate clusters. Therefore, the compound as a new photocatalyst shows a high photo catalytic hydrogen productivity. It can reach 330.44 mu mol(-1) g(-1) h(-1) that is higher than 42.35 mu mol g(-1) h(-1) of parent polyoxometalate (NH4)(6)Mo7O24 center dot 4H(2)O. (c) 2022 Elsevier B.V. All rights reserved.
Keyword:
Polyoxometalate
Octamolybdate
Crystal structure
Hydrogen evolution
期刊
IF:
4.7
论文数:
3.6W
被引数:
6.6W
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