Self-assembled nanostructures of specially designed Schiff-bases and their zinc complexes: Preparation, characterization and photoluminescence property

被引：7
作者：
Guha, Averi [1 ]
Sanyal, Ria [1 ]
Chattopadhyay, Tanmay [2 ]
Han, YounGyu [3 ]
Mondal, Tapan Kumar [4 ]
Das, Debasis [1 ]
机构：
[1] Univ Calcutta, Dept Chem, Kolkata 700009, India
[2] Panchakot Mahavidyalya, Dept Chem, Neturia 723121, Purulia, India
[3] Natl Inst Adv Ind Sci & Technol, Nanotube Res Ctr NTRC, Tsukuba, Ibaraki 3058565, Japan
[4] Jadavpur Univ, Dept Chem, Kolkata 700032, India
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2013年 / 1042卷
关键词：
Zn(II); Schiff-base; SEM; XRD; Fluoresence properties; EFFECTIVE CORE POTENTIALS; DENSITY-FUNCTIONAL THEORY; HYDROGEN-BOND; MOLECULAR CALCULATIONS; EXCITATION-ENERGIES; ROOM-TEMPERATURE; PROTON-TRANSFER; APPROXIMATION; SOLVENTS; LIGANDS;
D O I：
10.1016/j.molstruc.2013.03.051
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Four specially designed Schiff bases 2-formyl-4-R-6-(3N-4-hydroxybenzoicacid)-iminomethyl-phenolato (where R = methyl/tert-butyl/chloro for L1, L2, L3 respectively) and 2-(3N-4-hydroxybenzoicacid)-iminomethyl-phenolato (L4) having ability to form hydrogen bonding and their zinc complexes (1-4) have been synthesized and characterized. These complexes gave various types of nano-sized materials via self-assembly in solid state. FE-SEM was employed to investigate their morphology. Using a variety of analytical techniques such as elemental analysis, infrared spectroscopy (FT-IR), ESI-MS and H-1 NMR spectroscopy, a consistent picture of structures of these complexes are obtained. All the Schiff-bases and their zinc complexes exhibit photoluminescence property. Density functional theory calculation has been performed to rationalize the origin of the spectral bands of the ligands as well as the complexes. (C) 2013 Published by Elsevier B.V.
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页码：104 / 111
页数：8
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