Synthesis, characterization and photophysical studies of zinc(II) complexes derived from a hydralazine hydrazone

被引：5

作者：

Patil, Sunil M. ^{[1
]}

Vadavi, Ramesh S. ^{[2
]}

Kendur, Umashri ^{[1
]}

Chimmalagi, Geeta H. ^{[1
]}

Pujar, G. H. ^{[3
,4
]}

Kulkarni, Suresh D. ^{[5
]}

Nethaji, M. ^{[6
]}

Nembenna, Sharanappa ^{[7
]}

Inamdar, S. R. ^{[3
,4
]}

Gudasi, Kalagouda B. ^{[1
]}

机构：

[1] Karnatak Univ, Dept Chem, Dharwad 580003, Karnataka, India

[2] YB Annigeri Preuniv Sci & Commerce Coll, Dharwad, Karnataka, India

[3] Karnatak Univ, Laser Spect Programme, Dept Phys, Dharwad 580003, Karnataka, India

[4] Karnatak Univ, UGC CPEPA, Dharwad 580003, Karnataka, India

[5] Manipal Univ, Dept Atom & Mol Phys, Manipal 576104, Karnataka, India

[6] Indian Inst Sci, Dept Inorgan & Phys Chem, Bangalore 560012, Karnataka, India

[7] NISER, Sch Chem Sci, Bhubaneswar 752050, Orissa, India

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2018年 / 351卷

关键词：

Mononuclear zinc(II) complexes; Photophysical properties; Quenching; Non-covalent interactions; Computational studies; SOLID-STATE FLUORESCENCE; CRYSTAL-STRUCTURE; INTERMOLECULAR INTERACTIONS; DERIVATIVES; SERIES; PACKING; FLUOROPHORES; BEHAVIOR; SYSTEMS; DIODES;

D O I：

10.1016/j.jphotochem.2017.10.024

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：

In the present study, we report two novel mononuclear zinc(II) complexes (1 and 2) obtained by reacting (E)-1-(phenyl(pyridin-2-yl)methylene)-2-(phthalazin-1-yl)hydrazine (L) with ZnCl2 and Zn(NO3)(2)center dot 6H(2)O respectively. Photophysical properties of the compounds were studied in both solution and solid phase. The fluorescence absolute quantum yield of the complexes in solution varies in the order 1 (0.01) < 2 (0.030), on the other hand in the solid state it varies in the order 2(0.034) < 1(0.69). Quenching of fluorescence intensity of 2 in the solid-state has been attributed to intense and extensive non-covalent interactions present in the crystal structure. Theoretical calculations, density functional theory (DFT) and time-dependent density functional theory (TD-DFT) were also performed to support the experimental findings. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：225 / 230

页数：6

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