Mono- and dinuclear Zn(II) complexes of Schiff-base ligands: syntheses, characterization and studies of photoluminescence

被引：46

作者：

Chattopadhyay, Tanmay ^{[1
]}

Mukherjee, Madhuparna ^{[1
]}

Banu, Kazi Sabnam ^{[1
]}

Banerjee, Arpita ^{[1
]}

Suresh, Eringathodi ^{[2
]}

Zangrando, Ennio ^{[3
]}

Das, Debasis ^{[1
]}

机构：

[1] Univ Calcutta, Dept Chem, Kolkata 700009, W Bengal, India

[2] Cent Salt & Marine Chem Res Inst, Analyt Sci Discipline, Bhavnagar 364002, Gujarat, India

[3] Univ Trieste, Dipartimento Sci Chim, I-34127 Trieste, Italy

来源：

JOURNAL OF COORDINATION CHEMISTRY | 2009年 / 62卷 / 06期

关键词：

Schiff-bases; Zinc complexes; Photoluminescence property; DIVALENT ZINC; BINDING BEHAVIOR; FLUORESCENCE; COORDINATION; SENSORS; CHEMOSENSORS; ENZYMES; IONS; TRANSITION; PROTEINS;

D O I：

10.1080/00958970802385837

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Six Schiff-bases HL1-HL4, L5 and L6 [HL1 = 2,6-bis[1-(2-aminoethyl)pyrolidine-iminomethyl]-4-methyl-phenol, HL2 = 2,6-bis[1-(2-aminoethyl)piperidine-iminomethyl]-4-methyl-phenol, HL3 = N-{1-(2-aminoethyl)pyrolidine}salicylideneimine, HL4 = N-{1-(2-aminoethyl)piperidine}salicylideneimine, L5 = 2-benzoyl pyridine-N-{1-(2-aminoethyl)pyrolidine}, L6 = 2-benzoylpyridine-N-{1-(2-aminoethyl)piperidine}] have been synthesized and characterized. Zn(II) complexes of those ligands have been prepared by conventional sequential route as well as by template synthesis. The same complexes are obtained from the two routes as evident from routine physicochemical characterizations. All the Schiff-bases exhibit photoluminescence originating from intraligand (-*) transitions. Metal mediated fluorescence enhancement is observed on complexation of HL1-HL4 with Zn(II), whereas metal mediated fluorescence quenching occurs in Zn(II) complexes of L5 and L6.

引用

页码：967 / 979

页数：13

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