期刊
CHEMICAL ENGINEERING JOURNAL
卷 286, 期 -, 页码 259-265出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2015.10.078
关键词
Multi-wall carbon nanotubes (MWNTs); Nickel(II); Heterogeneous catalyst; Oxidation of cyclohexene
资金
- Council of University of Kashan [159271/448]
In the present study, hydroxyl functionalized nickel(II) Schiff-base; [Ni((OH)(2)-salophen)] [(OH)(2)-salophen] = (N,N'-bis(4-hydroxysalicylidene)phenylene-1,2-diamine); has been covalently anchored on modified multi-wall carbon nanotubes (MWNTs); [Ni((OH)(2)-salophen)]@MWNTs]. The new modified MWNTs have been characterized by transmission electron microscopy (TEM), thermal analysis, UV-Vis, Diffuse reflectance (DRS), FT-IR spectroscopy and elemental analysis. The results suggest that the symmetrical Schiff-base is a bivalent anion with tetradentate N2O2 donors derived from the phenolic oxygen and azomethine nitrogen. Multi-wall carbon nanotubes which covalently anchored nickel(II) complex catalyze the oxidation of cyclohexene with molecular oxygen. (C) 2015 Elsevier B.V. All rights reserved.
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