Synthesis, Characterization and Liquid Crystalline Properties of 1,3-bis(4-pyridyl)propane connected Long Alkyl Chain Dicobaloxime

被引:3
作者
Sarath, S. [1 ]
Yamuna, R. [1 ]
机构
[1] Amrita Vishwa Vidyapeetham, Amrita Sch Engn, Ctr Adv Mat & Green Technol CoE AMGT, Dept Sci, Coimbatore, Tamil Nadu, India
关键词
Cobaloximes; ligand bridged dicobaloxime; Thermal stability; Metallomesogens; thermotropic mesophase; PHOTOCATALYTIC HYDROGEN-PRODUCTION; MULTINUCLEAR COBALOXIME COMPLEXES; BRIDGED DICOBALOXIMES; CARBON-DIOXIDE; MOLECULAR BOX; WATER; CATALYST; EVOLUTION; ANALOGS; MODELS;
D O I
10.1016/j.matpr.2018.06.040
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Synthesis, characterization and mesomorphic properties of dpyp-linked dicobaloxime of the kind [C15H31-CH2Co(dmgH)(2)](2)-mu-1,3-bis(4-pyridyl)propane has been reported. This cobaloxime complex was characterized by UV-visible and Fourier Transform Infrared spectroscopy, H-1 and C-13 nuclear magnetic resonance spectroscopy. Thermal properties of the complex have been studied by thermo gravimetric and differential thermal analysis. A comparative study of the mesophase formation and thermal stability of the ligand bridged dicobaloxime with long alkyl chain complexes has been reported. Liquid crystalline properties of these complexes were observed by differential scanning calorimetry and polarizing optical mircroscopy. Liquid crystalline properties of these compounds profoundly depend on the axial alkyl chain length. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码:16748 / 16755
页数:8
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