Journal
CRYSTAL GROWTH & DESIGN
Volume 14, Issue 2, Pages 649-657Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cg401529u
Keywords
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Funding
- National Natural Science Foundation of China [21371184]
- Fundamental Research Funds for the Central Universities [CQDXWL-2012-024]
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Using a rigid ligand, 4-(5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl) benzoic acid (HL), three metal(II)-organic frameworks (MOFs) formulated as M2L4 center dot 3H(2)O [M = Co (1), Cu (2), and Zn (3)] were synthesized and characterized by single-crystal X-ray diffraction. The three MOFs are isostructural except for different unsaturated coordinated metal(II) ions in the structures, and they display a uninodal two-dimensional layer with 4(4)-sql topology. Among the three complexes, the Co and Cu complexes can act as electrocatalysts for water splitting, and the Co complex shows better electrocatalytic activity. The present work shows that the species of metal(II) ions plays an important role in the electrocatalytic activity for water splitting. The three complexes show different thermal stabilities, UV-vis absorption characteristics, and photoluminescence properties.
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