期刊
ULTRASONICS SONOCHEMISTRY
卷 41, 期 -, 页码 196-205出版社
ELSEVIER
DOI: 10.1016/j.ultsonch.2017.09.039
关键词
Coordination polymer; Crystal structure; 2D sub-micron sized nickel(II) and cobalt(II); Sonochemical method; Photocatalytic activity; 5-Methylisophthalic acid
资金
- National Natural Science Foundation of China [51474086]
- Natural Science Foundation-Steel and Iron Foundation of Hebei Province [B2015209299]
Submicron structures of N-II/Co-II-based coordination polymers (CPs) [Ni(L1)(mip)center dot H2O] (1) and {[Co(L2) (mip)]center dot 0.5H(2)O}(n) (2) (L1 = 1,6-bis(5,6-dimethylbenzimidazole)hexane, L2 = 1,6-bis(benzimidazole)hexane, H(2)mip = 5-methylisophthalic acid) were obtained by ultrasonic irradiation and structurally characterized by elemental analysis, powder X-ray diffraction and scanning electron microscopy. Structural analysis show that two CPs feature uninodal 3-connected 2D hcb layer, whilst CP 2 is further extended into a 3D complicated supramolecular network by C14-H14 center dot center dot center dot O-2 hydrogen bonds. Ultrasonic time and power influencing morphology of sub-micron sized CPs, were also discussed. Besides that, thermal stability, luminescence, electrochemical properties and photocatalytic activity of sub-micron sized 1 and 2 were presented in detail. Moreover, sub micron sized 1 manifests the higher photocatalytic activity than sub-micron sized 2 for decomposition of methylene blue (MB) under UV irradiation.
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