کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1410300 | 1501812 | 2011 | 10 صفحه PDF | دانلود رایگان |
The synthesis, liquid crystalline and optical properties of copper (II), oxovanadium (IV) and gadolinium (III) complexes derived from polar Schiff’s bases viz., N-(4-n-hexadecyloxysalicylidene)-4′-substituted anilines with methoxy, fluoro and chloro substituents in the 4-position of N-aryl moiety are presented. All the ligands exhibited smectic A phase except methoxy homolog which exhibited nematic phase. Majority of the complexes exhibited smectic A phase with some of them exhibiting smectic E phases. The UV–Visible and photo-luminescent properties of the ligands and complexes are also discussed.
► We designed polar Schiff’s bases exhibiting mesomorphism.
► Polarizability contribution to enhanced mesomorphic range is discussed.
► Mesomorphism of Cu (II), VO (IV) and Gd (III) complexes with polar ligands is discussed.
► Nematic, SmA and SmE phases are discussed.
► Fluorescence in the ligands and Ln complexes is discussed.
Journal: Journal of Molecular Structure - Volume 1002, Issues 1–3, 14 September 2011, Pages 135–144