Journal
ULTRASONICS SONOCHEMISTRY
Volume 39, Issue -, Pages 636-644Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ultsonch.2017.04.008
Keywords
Crystal structure; Nanostructured coordination polymer; Photocatalytic property; Silver; Sonochemical approach
Categories
Funding
- National Natural Science Foundation of China [51474086]
- Natural Science Foundation-Steel and Iron Foundation of Hebei Province [B2015209299]
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Nanoparticles of two silver(I) coordination polymers (CPs), [Ag-2(L1)(2)(DCTP)(n) (1) and [Ag-2(L2)(DCTP)(n) (2) (L1 = 1,3-bis(5,6-dimethylbenzimidazol-1-yhnethypbenzene, L2 = 1,4-bis(benzimidazol-1-yl)-2-butene, H2DCTP = 2,5-dichloroterephthalic acid), were synthesized by the sonochemical approach and hydrothermal method. Both CPs were characterized by elemental analysis, IR spectra, single-crystal X-ray diffraction, scanning electron microscopy (SEM), and thermogravimetric analyses (TGA). CP 1 exhibits a 2D 4-connected sql net with the point symbol {4(4).6(2)}. While CP 2 displays a 2D 3,4-connected 3,4L13 net with the point symbol {4.6(2)}(2){4(2).6(2).8(2)}. The structural diversity indicates that semi-rigid bis(benzimidazole) co-ligands play important roles in tuning the structures of the mixed Ag(I) CPs. The ultrasound irradiation time, temperature, and power showed significant effects on the morphology and growth process of the nanoparticles of two silver(I) CPs. The luminescence and photocatalytic properties of the nanoparticles of CPs 1-2 on the degradation of methyl blue (MB) were also investigated in detail.
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